Blackberry 9850, 9860

Troubleshooting: Keyboard

No application opens when I press a Convenience key

Try the following:

• If you haven't done so, assign an application to the key.

• Verify that you didn't delete the application that you assigned to the key.

User Guide Keyboard

204

Contents

Main Page Contents Page Page Page Page Quick Help Getting started: Your smartphone Your BlackBerry smartphone at a glance New in BlackBerry 7 About the BlackBerry ID Visit the Setup application Important keys Flashing LED Icons Application icons Page Page Home screen icons Message inbox icons Page Camera icons Video camera Your Home screen Show, hide, or find an application icon Move an application icon Change where apps that you download appear Change themes Set the number of icons that appear on the Home screen Feature availability Find more information How to: Top 10 Set up an email address About downloading apps with the BlackBerry App World Transfer a file from your computer to your smartphone using your smartphone as a USB memory drive About using your smartphone as a tethered modem Copy contacts from your SIM card to your contact list Send a text message View a location on a map Lock or unlock your smartphone Turn on or turn off airplane mode Turn off word substitution Tips: Top 10 Tips: Finding apps Tips: Managing indicators Tips: Updating your software Tips: Doing things quickly Tips: Extending battery life Tips: Freeing space for your music, pictures, videos, and files Tips: Keeping your information safe Phone shortcuts Typing shortcuts for the touch screen keyboard Media shortcuts Personalize: Top 10 Change your ring tone, notifiers, reminders, or alerts Use a picture as your smartphone wallpaper Add, rename, or delete a folder on the home screen Add or change your signature Change the language Change the display font Assign an application to a convenience key Set up speed dial for a contact Add or delete a contact alert Troubleshooting: Top 10 I can't make or receive calls I'm not receiving messages I can't send messages I forget my smartphone password My smartphone isn't ringing or vibrating when I receive a call or message The screen turns off Email messages aren't reconciling over the wireless network Organizer data isn't synchronizing over the wireless network I can't pair with a Bluetooth enabled device The media player screen closes Tips and shortcuts Tips: Doing things quickly Tips: Extending battery life Tips: Finding apps Tips: Freeing space for your music, pictures, videos, and files Tips: Updating your software Tips: Keeping your information safe Tips: Managing indicators Phone shortcuts Typing shortcuts for the touch screen keyboard Media shortcuts Troubleshooting: Shortcuts I can't use a shortcut Phone How to: Phone Make a call Answer or end a call Answer a second call Change your ring tone, notifiers, reminders, or alerts Mute a call Place a call on hold Turn on the speakerphone Dial an extension Emergency calls About emergency calls and Emergency Callback Mode Make an emergency call Volume Adjust the volume Change the default volume for calls Improve sound quality during a call Improve sound quality for all calls Speed dial Set up speed dial for a contact Change the contact that is assigned to a speed dial key Call waiting, call forwarding, and call blocking Turn on or turn off call waiting Forward or stop forwarding calls Add, change, or delete a call forwarding number About call blocking Block or stop blocking calls Change the call blocking password Fixed dialing and smart dialing About fixed dialing Turn on fixed dialing Add, change, or delete a contact in your fixed dialing list About smart dialing Add, change, or delete a call forwarding number Conference calls About conference calls Make a conference call Create a phone number link for a conference call Call logs Send a call log Delete call logs Add, change, or delete call log notes View or hide call logs in the Messages application Multiple phone numbers About multiple phone numbers Switch the active phone number Phone options Turn on or turn off dialing from the lock screen Sort phone numbers or contacts on the phone screen Hide or display your phone number when you make calls Turn off the prompt that appears before you delete items Change how you answer or end calls with the holster Change how you answer calls with a headset Reset a call timer About hearing aid mode Turn on hearing aid mode About TTY support Voice mail About your voice mail greeting and voice mail password Check your voice mail Change the voice mail access number and password Change how many times your smartphone rings before the call goes to voice mail Troubleshooting: Phone Some features aren't available on my smartphone I can't make or receive calls I can't check my voice mail I can't block calls I can't change the number of times that my smartphone rings My phone number appears as Unknown in the Phone application My headset makes calls instead of my smartphone Voice commands How to: Voice commands Perform an action using a voice command Change the options for voice prompts Improve voice recognition Change the language for voice commands Turn off choice lists for voice commands Troubleshooting: Voice commands I can't make calls using a voice command My smartphone doesn't recognize names or numbers in voice commands Messages How to: Messages Messages at a glance Send an email Send a text message Resend a message Check spelling Save a draft of a message Delete a message Attach a contact card to a message Blind carbon copy a contact Search for text in a message, in a file, or on a webpage Page Page Email How to: Email Composing and sending email Send an email Attach a file to an email Change the email address that you use to send messages or meeting invitations Page Create an email filter based on a contact or subject Options for email filters Turn on an email filter Change, prioritize, or delete an email filter Synchronizing email Synchronize email over the wireless network Delete email on your smartphone and in your email application on your computer Empty the deleted items folder on your computer from your smartphone Manage email reconciliation conflicts Stop forwarding email to your smartphone Page Add, change, or remove a flag Change how you group email messages Hide messages from the Messages application Change how a message inbox displays messages Use color to differentiate work messages from other messages Mark a message as read or unread Storing and filing email About synchronization of email folders File an email Add, move, rename, or delete an email folder Forward messages from a specific email folder to your smartphone Hide filed email from the message inbox Stop storing messages sent from your computer on your smartphone Stop storing messages sent from your smartphone on your computer Email options Add or change your signature Receive only the first section of long email messages View or hide call logs in the Messages application Set an out-of-office reply Change options for your personal email account Turn on or turn off read receipts Page Add or remove a Google Mail star Apply or remove a Google Mail label View Google Mail messages with a specific label Create or delete a Google Mail label Archive a Google Mail message or conversation Troubleshooting: Email I can't send messages I'm not receiving messages Email messages aren't reconciling over the wireless network Some messages no longer appear on my smartphone A message, attachment, or Google Mail conversation is cut short or doesn't appear HTML email messages don't appear correctly Some email folders appear dimmed Email filters aren't working correctly The number of new or unread messages is different than I expect I can't use a shortcut to view one type of message in a message inbox Text messages How to: Text messages About text messages Message inbox icons Composing and sending text messages Send a text message Attach a media file, contact card, appointment, or location to a text message Set the importance level for text messages that you send Request delivery notification or read notification for a text message Page Organizing and storing text messages Store text messages on your SIM card Delete the history from a text message Save a media file from a text message Save a contact card from a message Options for text messages Stop receiving text messages when roaming Block text messages Turn off Word Substitution for text messages Set how long your service center attempts to send text messages Set a wireless network type for sending text messages Cell broadcasting About cell broadcasting Turn on cell broadcasting Stop receiving messages from a cell broadcast channel Rename a cell broadcast channel Personalize: Text messages Change how your text messages look Set whether pressing the Enter key sends text messages Troubleshooting: Text messages I can't send text messages PIN messages How to: PIN messages Create a link for a PIN Troubleshooting: PIN messages I can't send messages I'm not receiving messages Some messages no longer appear on my smartphone A message, attachment, or Google Mail conversation is cut short or doesn't appear The number of new or unread messages is different than I expect Attachments How to: Attachments About files and attachments Open and save an attachment Save a file or an attachment Send a file Open a link in a file or an attachment Page Troubleshooting: Attachments A skipped content bar appears in a document A question mark appears on a slide Security options for messages Block incoming messages Allow messages from contacts in your contact list or allowed sender list Add a contact to your allowed sender list Reset a blocked message counter S/MIME-protected messages S/MIME-protected message basics About signing and encrypting messages Sign or encrypt a message Encrypt a message with a passphrase Page Page Check the status of a certificate or certificate chain S/MIME-protected message options Change your signing or encryption certificate Change options for downloading attachments in encrypted messages Change the default signing and encryption option About message classifications Change the default message classification Page IBM Lotus Notes native encrypted messages PGP protected messages PGP protected message basics About signing and encrypting messages Sign or encrypt a message Encrypt a PGP protected message with a passphrase Attach a PGP key to a message Page Page PGP protected message options Change your signing and encryption key Change options for downloading attachments in encrypted messages Change the default signing and encryption option About message classifications Change the default message classification Change the size of PGP indicators in messages Change the encryption algorithms for PGP protected messages Page Files and attachments How to: Files File basics About files and attachments Open and save an attachment Search for a file that is saved on your smartphone Search for a file that is saved on your organization's network Send a file Open a link in a file or an attachment Set font options for a file or an attachment Managing files and attachments View properties for a file Copy, move, rename, or delete a file Hide a file or folder View a hidden file or folder Page Page Troubleshooting: Files Media How to: Media Play a media file Adjust the volume Amplify the volume using the audio boost feature Improve sound quality for media files Turn on or turn off audio and video shortcuts Sort media files Copy, move, rename, or delete a file View properties for a file Change the amount of time before the media player screen closes Turn on or turn off media card support About transferring and synchronizing media files Transfer a file from your computer to your smartphone using your smartphone as a USB memory drive Send a file Receive a media file using Bluetooth technology Supported audio and video file formats and extensions Music How to: Music Shuffle or repeat songs Create a standard or an automatic playlist Add the song that is playing to a playlist Move or delete a song in a playlist Rename or delete a playlist Troubleshooting: Music Videos Keep backlighting on when you play a video Display closed captions in videos Troubleshooting: Videos Video camera How to: Video camera Video camera Record a video Turn on or turn off video lighting Change the video camera scene mode Change the video size and format Change the location for storing videos that you take Troubleshooting: Video camera The flash or video light dims or turns off Camera How to: Camera Page Reduce blurriness in the pictures that you take Change the review duration of the pictures that you take Change when the camera warns you about the number of pictures remaining Change the location for storing pictures that you take Troubleshooting: Camera The flash or video light dims or turns off Some pictures that I take are blurry Pictures How to: Pictures Pictures at a glance Zoom, pan, or rotate a picture Save a picture from a text message or a webpage Use a picture as your smartphone wallpaper View pictures as a slide show Change your slide show options View pictures in list view or thumbnail view Organize pictures by date or folder Create a picture folder Import pictures to the Pictures application Find a picture that you took with the camera Troubleshooting: Pictures I receive an error message after I rotate a picture My smartphone isn't using the correct ring tone or wallpaper Voice notes Record a voice note Troubleshooting: Voice notes Page Page Ring tones, sounds, and alerts How to: Ring tones, sounds, and alerts About ring tones, sounds, and alerts Change your ring tone, notifiers, reminders, or alerts Add or delete a custom profile Add or delete a contact alert Silence your smartphone Flashing LED Change alarm notification options Turn on or turn off event sounds Troubleshooting: Ring tones, sounds, and alerts Page Browser basics Browsing webpages Visit a webpage or search the Internet Zoom in to or out from a webpage About tabbed browsing Open, close, or switch between tabs Search for text in a message, in a file, or on a webpage View a list of web pages that you visited recently Add a shortcut to your home screen or Favorites panel Turn on browser shortcuts Move back, move forward, or refresh a webpage Page Send a web address Send a link or picture from a webpage Browser bookmarks About bookmarks for webpages Bookmark a webpage Change or delete a bookmark for a webpage Send a bookmark for a webpage Browser options Change your browser home page or start page Change the font size for text on webpages Change your default search engine Add a search engine from a website Set the character encoding for all webpages Stop loading images or playing embedded media files on webpages Stop blocking pop-ups on webpages Receive a prompt before you close the browser or stream media from the Internet Delete browsing information Turn off cookies in the browser Turn off JavaScript support Browser security About TLS Browser security options Manage browser security Add a trusted content server Add or change a website that is associated with a certificate Browser push About browser push Browser push options Turn off browser push RSS feeds Troubleshooting: Browser I can't open a new tab I receive a prompt to switch networks when I stream a song or video I cannot play a song or video on a web page No browser is available on my smartphone Calendar How to: Calendar Synchronizing calendar About backing up and restoring smartphone data Synchronize organizer data over the wireless network Manage data synchronization conflicts Calendar basics Switch calendar views Go to a specific date in the calendar Schedule a meeting or an appointment Set an alarm in the calendar Meetings Schedule a meeting or an appointment Delete an appointment, meeting, or alarm Respond to a meeting invitation View your calendar when responding to a meeting Check availability of meeting participants Change the list of participants for a meeting Forward a meeting invitation Calendar options Change how the calendar is displayed Change options for reminders Change options for multiple calendars Change the default calendar Change how long your smartphone stores calendar entries Show tasks in the calendar Conference call meetings About conference calls Create a conference call meeting from your smartphone Create a conference call meeting from your computer Enter a conference call meeting Troubleshooting: Calendar I can't schedule appointments that span multiple days I can't set some fields when scheduling appointments Some characters in calendar entries don't appear correctly after synchronization I can't enter a conference call with the Join Now option Contacts How to: Contacts Contact basics Add a contact Create a custom contact field Change or delete a contact Search for a contact Attach a contact card to a message Add a contact picture for caller ID Change or delete a contact picture About categories Categorize a contact, task, or memo Create a category for contacts, tasks, or memos Synchronizing contacts Synchronize organizer data over the wireless network About backing up and restoring smartphone data Manage data synchronization conflicts Personal distribution lists Create a personal distribution list Change or delete a personal distribution list Multiple contact lists About multiple contact lists Contact list options Troubleshooting: Contacts Contact list field data isn't appearing on my computer My contact pictures keep changing Clock How to: Clock Set the date and time Display a second time zone on the clock Change the clock face Change what appears on the screen when your smartphone is charging Turn on the alarm Silence the alarm Change alarm notification options Set options for bedside clock mode Turn on bedside clock mode Use the stopwatch Use the timer Change timer notification options Troubleshooting: Clock The time on my smartphone isn't correct Tasks and memos Create a task or memo Send a task or memo Change or delete a task or memo Change the status of a task Hide completed tasks Show tasks in the calendar Synchronizing tasks and memos About synchronization and reconciliation Synchronize organizer data over the wireless network About backing up and restoring smartphone data About synchronization conflicts Manage data synchronization conflicts About categories Categorize a contact, task, or memo Create a category for contacts, tasks, or memos Turn off the prompt that appears before you delete items Typing How to: Typing Show or hide the touch screen keyboard Type a symbol Type an accent or special character Clear text from a field About typing input methods Typing input methods Switch typing input methods when you're typing Change options for typing input methods Change your typing style Type text using the predictive input method About typing using different keyboard styles Type text using SureType technology Type text using multi-tap Custom dictionary About the custom dictionary Stop adding items to the custom dictionary automatically Add, change, or delete a word in the custom dictionary Word Substitution About word substitution Turn off word substitution Create a word substitution entry Change or delete a word substitution entry Spelling checker Stop displaying spelling suggestions in the list that appears when you type I can't check spelling Change options for checking spelling Check spelling Troubleshooting: Typing I can't check spelling SureType technology doesn't recognize a word I have no Advanced Style Options Keyboard How to: Keyboard Change the keyboard layout Change the default keyboard for portrait view Show or hide the keyboard hide bar Page Page Language How to: Language About typing input languages Add a display language Delete a language Troubleshooting: Language Screen display How to: Screen display Use a picture as your smartphone wallpaper Set options for backlighting Change the display font Add a message that appears when your smartphone is locked Set the touch screen sensitivity Turn off pop-up menus Turn on flashing LED notification for wireless coverage Use grayscale or reverse contrast for the screen display Themes Troubleshooting: Screen display My display changed No application opens when I press a Convenience key The screen turns off A pop-up menu appears when I touch the screen GPS technology How to: GPS technology Turn off location aiding or location data Turn on GPS technology Set the GPS receiver that you use to track your movement Troubleshooting: GPS technology I can't use GPS technology Compass How to: Compass View location on a map from the compass Navigate to a destination Calibrate the compass manually Troubleshooting: Compass I'm not receiving an accurate reading from the compass Maps How to: Maps Pan a map Zoom in to or out from a map View a location on a map View a list of points of interest near a location View contact information for a point of interest Add a location to your list of favorites Change the information for a location in your list of favorites Delete a location from your list of favorites Get directions Send a location Copy a location Clear a map Set the GPS receiver that you use to track your movement Keep backlighting on when you track your movement Change the font settings for maps Troubleshooting: Maps Some features aren't available on my smartphone Applications How to: Applications About multitasking Create a BlackBerry ID Change your BlackBerry ID information Keep an application running in the background and switch to another application Close an app so that it is not running in the background Require your smartphone password before adding an app View properties for an application Troubleshooting: Applications Page Reload the BlackBerry Device Software using the BlackBerry Desktop Software Page BlackBerry Device Software How to: BlackBerry Device Software About updating the BlackBerry Device Software Update the BlackBerry Device Software from a website Update the BlackBerry Device Software using the BlackBerry Desktop Software Update the BlackBerry Device Software over the wireless network Delete the previous version of the BlackBerry Device Software Hide or show an optional BlackBerry Device Software update Find your smartphone model number and version of the BlackBerry Device Software Troubleshooting: BlackBerry Device Software I can't update the BlackBerry Device Software over the wireless network My smartphone doesn't have enough available storage space to update the BlackBerry Device Software Manage Connections Mobile network How to: Mobile network Manage Connections at a glance Check what wireless networks your smartphone connects to Turn on or turn off a network connection Turn on or turn off airplane mode Check the status of network connections and services Roaming About roaming and international roaming Switch wireless networks manually Connect to a GSM or UMTS network Turn on or turn off data service or set roaming options Set the wireless networks to use for roaming Preferred wireless network list About the preferred wireless network list Add a wireless network to the preferred wireless network list Delete a wireless network from the preferred wireless network list Change the order of preferred networks Change the connection speed for the wireless network Turn on flashing LED notification for wireless coverage Wireless coverage indicators Troubleshooting: Mobile network I can't connect to the mobile network I can't connect to a GSM or UMTS network Error messages Data service unavailable Wi-Fi technology How to: Wi-Fi technology Check what wireless networks your smartphone connects to Turn on or turn off a network connection Check the status of network connections and services Connect to a Wi-Fi network About connecting to a Wi-Fi network Connect to a Wi-Fi network Connect to a Wi-Fi network using Wi-Fi Protected Setup Connect to a Wi-Fi network manually Saved Wi-Fi networks Change, move, or delete a saved Wi-Fi network Prevent your smartphone from connecting to a saved Wi-Fi network Turn on or turn off the prompt that appears for hotspots Options for saved Wi-Fi networks Install a root certificate on your smartphone Wi-Fi diagnostic reports Submit a Wi-Fi diagnostic report Set options for Wi-Fi diagnostic reports Connection permissions for third-party applications About using Wi-Fi with VPN and software tokens Wireless coverage indicators Troubleshooting: Wi-Fi technology I can't connect to a Wi-Fi network Page Bluetooth technology How to: Bluetooth technology About Bluetooth Turn on or turn off Bluetooth technology Pair with a Bluetooth enabled device Connect to or disconnect from a paired Bluetooth enabled device Switch to a paired Bluetooth enabled device during a call Share contacts with a paired Bluetooth enabled car kit Receive a media file using Bluetooth technology Send a file Send and receive a contact card using Bluetooth technology Rename a paired Bluetooth enabled device Delete a paired Bluetooth enabled device Make your smartphone discoverable Bluetooth technology options Bluetooth profiles Turn off a Bluetooth profile Prevent your smartphone from making contacts available to other Bluetooth enabled devices Restrict outgoing calls Change the pairing name for your BlackBerry smartphone Turn off Bluetooth connection notification Turn off the prompt that appears when connecting or pairing Set the message types that your Bluetooth enabled car kit notifies you of Troubleshooting: Bluetooth technology I can't pair with a Bluetooth enabled device My list of paired Bluetooth devices doesn't appear I can't type a passkey on a Bluetooth enabled device I lose my connection with a Bluetooth enabled car kit I can't share contacts with a paired Bluetooth enabled device Page Smart accessories About the Smart Accessories application Set up a new dock Change a dock profile Delete a saved dock profile Power and battery How to: Power and battery Page Storage space and media cards How to: Storage space and media cards About media cards Supported media cards Turn on or turn off media card support Restore smartphone data from your media card View the amount of available storage space on your smartphone View the amount of storage space used by media files Repair files stored on your media card or on your smartphone Format your media card or built-in media storage About compression About file encryption Turn on encryption Tips: Storage space and media cards Tips: Freeing space for your music, pictures, videos, and files Troubleshooting: Storage space and media cards My smartphone doesn't recognize my media card The application storage on my smartphone is low Search How to: Search Search for an item Search for an item using voice enabled search Set the types of items that are included in searches Search for messages Message search criteria Do more with your message search results View, change, or delete a saved search Search for text in a message, in a file, or on a webpage Search for a contact Troubleshooting: Search I don't get any voice enabled search results SIM card How to: SIM card Replace or merge contacts on your wireless service provider's contact backup server Change or delete SIM card contacts Store text messages on your SIM card Change the display name for a phone number About SIM card security Protect your SIM card with a PIN code Change the SIM card PIN code Security How to: Security Security basics About the smartphone password Set a smartphone password Change the smartphone password Lock or unlock your smartphone Lock your smartphone when you insert it in the holster Change the amount of time before your smartphone locks Set a limit for smartphone password attempts Password Keeper About the Password Keeper Add, change, or delete a password that is saved in the Password Keeper Change the Password Keeper password Set a limit for password attempts in the Password Keeper Copy a password Prevent password copying Hide or show passwords in the Password Keeper Generate a random password Set criteria for randomly generated passwords Encryption About encrypting data on your smartphone About file encryption Turn on encryption Set encryption strength Use a certificate to encrypt the encryption keys on your smartphone About encryption keys Generate an encryption key Memory cleaning About memory cleaning Turn on memory cleaning Change when your smartphone deletes sensitive data from the temporary smartphone memory Delete sensitive application data from the temporary smartphone memory Certificates About certificates Certificate basics Download a certificate from an LDAP-enabled server or DSML-enabled server About certificate enrollment Download a certificate from a certification authority Import a certificate or PGP key that is saved on your smartphone Import certificates or PGP keys from a media card Install a root certificate on your smartphone View properties for a certificate Certificate properties Page Check the revocation status of a certificate or certificate chain Change the trust status of a certificate Revoke a certificate Certificate revocation reasons Certificate options Change the display name for a certificate Add an email address to a certificate Turn off the display name prompt that appears when you add a certificate to the key store Turn off the fetch status prompt that appears when you add a certificate to the key store Change how often a certification authority profile checks certificate status PGP keys Import certificates or PGP keys from a media card View details for a PGP key PGP key properties Send a PGP key Delete a PGP key Clear the PGP data cache PGP key status PGP key status indicators Check the revocation status of a PGP key Change the trust status of a PGP key Revoke a PGP key PGP key revocation reasons PGP key options Change the display name for a PGP key Certificate servers Add a certificate server Change connection information for a certificate server Connection options for OCSP and CRL servers Connection options for LDAP-enabled servers Send connection information for a certificate server Delete a certificate server Key store About the key store Change the key store password Synchronize the key store password with the smartphone password Change when your smartphone deletes the key store password Add contacts automatically when you add certificates or PGP keys to the key store Change the service that your smartphone uses to download certificates Turn off automatic backup and restore of key store data Change the refresh rate for certificate revocation lists Smart cards About using a smart card with your smartphone Turn on two-factor authentication Import a certificate from a smart card Lock your smartphone when you remove your smart card from your smart card reader About smart password entry Turn off smart password entry Turn off notification for smart card connections Switch smart password filters Prerequisites: Using authentication certificates Use a certificate to authenticate your smart card Check the status of your authentication certificate automatically VPN settings About VPN profiles Log in to a VPN Change the user name and password for a VPN profile About software tokens Verify security software manually Third-party application control About permissions and trust status for third-party applications Set permissions for a third-party application Reset connection permissions for third-party applications About direct Internet connections for third-party applications Set up a direct Internet connection for a third-party application Turn on safe mode Turn off a prompt for a third-party application connection Interaction permissions for third-party applications Data permissions for third-party applications Connection permissions for third-party applications Troubleshooting: Security I forget my smartphone password My smartphone prompts me to make an emergency call when I type a password I can't unlock my smartphone using my smart card I can't download a certificate Page Service books and diagnostic reports Accept, delete, or restore a service book Run a diagnostic report View, submit, or delete a diagnostic report Set a default recipient for diagnostic reports I can't run or submit a diagnostic report Find your smartphone model number and version of the BlackBerry Device Software Synchronization How to: Synchronization About synchronization and reconciliation Synchronize email over the wireless network Delete email on your smartphone and in your email application on your computer Synchronize organizer data over the wireless network About synchronization conflicts Manage email reconciliation conflicts Manage data synchronization conflicts About backing up and restoring smartphone data Troubleshooting: Synchronization Email messages aren't reconciling over the wireless network Organizer data isn't synchronizing over the wireless network Contact list field data isn't appearing on my computer Some characters in calendar entries don't appear correctly after synchronization Accessibility options How to: Accessibility Screen accessibility options Display closed captions in videos Change the display font Change how you answer calls with a headset Add or delete a contact alert Hearing aid mode About hearing aid mode TTY support About TTY support Turn on or turn off TTY support Voice dialing Perform an action using a voice command Available voice commands Typing accessibility options Change or delete a Word Substitution entry Type text using the predictive input method Change your typing style Page Calculator Use the calculator Convert a measurement Glossary Page Page Page Page Legal notice