Blackberry 8350i manual About Wi-Fi diagnostic reports, Submit a Wi-Fi diagnostic report

Page 296

User Guide

Service books and diagnostic reports

Wi-Fi diagnostic reports

Depending on your BlackBerry® device model, this feature might not be supported.

About Wi-Fi diagnostic reports

Wi-Fi® diagnostic reports provide Wi-Fi configuration and connection information for your BlackBerry® device. If you cannot connect to a Wi- Fi network or access services such as email messaging, your wireless service provider or administrator might ask you to submit a Wi-Fi diagnostic report. Your wireless service provider or administrator can use the report to help you troubleshoot the problem.

Submit a Wi-Fi diagnostic report

1.On the Home screen or in a folder, click the Options icon.

2.Click Wi-Fi Connections.

3.Press the Menu key.

4.Click Wi-Fi Tools.

5.Click Wi-Fi Diagnostics.

6.Press the Menu key.

7.Click Email Report or PIN Report.

Include advanced data in Wi-Fi diagnostic reports

1.On the Home screen or in a folder, click the Options icon.

2.Click Wi-Fi Connections.

3.Press the Menu key.

4.Click Wi-Fi Tools.

5.Click Wi-Fi Diagnostics.

6.Press the Menu key.

7.Click Options.

8.Change the Display Mode field to Advanced.

9.Press the Menu key.

10.Click Save.

Set a default recipient for Wi-Fi diagnostic reports

If you set a default recipient, each time that you submit a Wi-Fi® diagnostic report, your BlackBerry® device sends the report to that recipient. If you want to specify a recipient each time that you submit a report, do not set a default recipient.

1.On the Home screen or in a folder, click the Options icon.

2.Click Wi-Fi Connections.

3.Press the Menu key.

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Contents User Guide SWDT643442-643442-0818053806-001 Contents 123 140 188 205 232 291 308 Feature availability Welcome to BlackBerryStart using your device Complete the setup wizardSet up an email address Find more informationNavigation and typing BlackBerry basicsAbout the Menu key and Escape key Move around the screenSend an SMS text message Change your ring toneSend an email message Add a contact Schedule an appointmentTake a picture Record a videoTroubleshooting Basics Turn on the alarmPair with a Bluetooth enabled device Visit a webCannot set up an email address Am not receiving messagesBattery is not charging Cannot send SMS text messagesCannot save media files Cannot play a media file on a webPhone shortcuts ShortcutsBlackBerry basics shortcuts Message shortcuts Typing shortcuts File and attachment shortcutsMedia shortcuts Browser shortcutsCalendar shortcuts Troubleshooting Shortcuts Search shortcutsMap shortcuts Cannot use a shortcutPhone Phone basicsFind your phone number Answer a callTurn on the speakerphone Mute a callPlace a call on hold Dial using numbers or letters Switch applications during a callMake a call when your device is locked About using a headsetVolume Adjust the volumeEmergency calls About emergency callsChange the default volume for calls About your voice mail greeting and voice mail passwordVoice mail Improve sound quality during a callChange the voice mail access number Set up speed dial for a contactSpeed dial Check your voice mailConference calls About conference callsMake a conference call Create a phone number link for a conference callCall logs Disconnect a contact from a conference callLeave a conference call About call logsAdd notes to a call log Change call log notesSend a call log Delete call logsCall forwarding Delete call log notesAbout call forwarding Forward callsDelete a call forwarding phone number Add a call forwarding phone numberChange a call forwarding phone number Set the default country code and area code Smart dialingAbout smart dialing Set options for dialing extensionsSwitch the active phone number Multiple phone numbersPhone options About multiple phone numbersTurn off the prompt that appears before you delete items Hide or display your phone number when you make callsSort phone numbers or contacts on the Phone screen Turn on TTY support Reset a call timerAbout TTY support Troubleshooting Phone My phone number appears as Unknown in the phone applicationCannot make calls using a voice command Some features are not available on my deviceCannot check my voice mail Cannot change the number of times that my device ringsAvailable voice commands Voice commandsPerform an action using a voice command Change the options for voice prompts Change the language for voice commandsTurn off choice lists for voice commands Troubleshooting Voice dialing Improve voice recognitionComposing messages MessagesMessage basics Sending messages Add a signature to your work email messagesDelete the disclaimer from an email message Create a link for a PINSend an MMS message Send an SMS text messageSend a PIN message Reply to a message Forward a messageResend a message Stop a message from sendingManaging messages Email messages Email message basicsDelete a message Delete multiple messagesAttach a file to an email message Delete the original text from a reply messageFile an email message Stop storing messages sent from your device on your computer Resize a picture before you send it as an attachmentEmail message filters About email message filtersCreate an email message filter Options for email message filtersTurn on an email message filter Change an email message filterEmail message folders Prioritize email message filtersDelete an email message filter About synchronization of email message foldersEmail message flags Add, move, rename, or delete an email folderAbout flags Add a flagEmail message options Remove a flagCheck spelling automatically before sending email messages Set an out-of-office replyView email messages in plain text format Stop loading pictures in Html email messagesStop forwarding email messages to your device Hide filed email messagesReceive only the first section of long email messages PIN messages About PIN messagesFind your PIN Send a PIN messageSMS text messages SMS text message basicsAbout SMS text messages Change your ring toneOptions for SMS text messages Delete the history from an SMS text messageSet whether pressing the Enter key sends SMS text messages Change the appearance of SMS text messagesRequest delivery reports for all SMS text messages Turn off AutoText for SMS text messagesStore SMS text messages on your SIM card Set a wireless network type for sending SMS text messages Cell broadcastingAbout cell broadcasting Turn on cell broadcastingMMS messages MMS message basicsStop receiving messages from a cell broadcast channel Rename a cell broadcast channelCreate a slide show in an MMS message MMS message attachments Stop receiving MMS messages when roaming MMS message optionsRequest delivery or read notification for an MMS message View the size of an MMS message before sending itMessage list options Set how long your device stores messagesChange how a message list displays messages About multiple message listsHide sent messages Hide the new or unopened message indicatorHide messages from the main messages application Block incoming messages Add a contact to your allowed sender listMIME-protected message basics Reset a blocked message counterMIME-protected messages Attach a certificate to a message Download the certificate used to sign or encrypt a messageAdd a certificate from a message Add a certificate from an attachmentAttachment indicators in S/MIME-protected messages Digital signature indicators for S/MIME protected messagesMIME-protected message status View the certificate used to sign or encrypt a messageEncryption status indicators MIME-protected message optionsCheck the status of a certificate or certificate chain Change your signing or encryption certificateAbout message classifications Change the default signing and encryption optionChange the default message classification Change the size of S/MIME indicators in messages MIME-protected message troubleshooting IBM Lotus Notes native encrypted messagesAbout IBM Lotus Notes native encrypted messages Cannot open an attachment in an encrypted messageEncrypt a message using IBM Lotus Notes native encryption PGP protected messagesPrerequisites IBM Lotus Notes native encryption PGP protected message basicsEncrypt a PGP protected message with a pass phrase Attach a PGP key to a messageDownload the PGP key used to sign or encrypt a message Add a PGP key from a messageAttachment indicators in PGP protected messages Digital signature indicators for PGP protected messagesPGP protected message status View the PGP key used to sign or encrypt a messagePGP protected message options Change your signing and encryption keyChange the size of PGP indicators in messages Troubleshooting PGP protected messages Change the encryption algorithms for PGP protected messagesMessage shortcuts Troubleshooting Messages Cannot send messagesCannot file email messages Am not receiving SMS text messagesSome messages no longer appear on my device Message or attachment does not appear or is truncatedHtml email messages do not appear correctly Some email message folders appear dimmedCannot turn on cell broadcasting Cannot attach a file to an MMS messageFiles and attachments File and attachment basicsAbout files and attachments Open a file or an attachmentStop downloading a file or an attachment Locate a file saved on your deviceLocate a file saved on your organizations network Save a file from your organizations network to your deviceManaging files and attachments Send a file as an attachmentOpen a link in a file or an attachment Set font options for a file or an attachmentView properties for a file Rename a fileDelete a file Move a fileView the table of contents in a document DocumentsSpreadsheets View tracked changes in a documentView the content of a cell Switch worksheetsView a list of worksheets Change the size of a columnMedia files PresentationsVCard contact attachments Zoom in to or out from a slideSave a slide About vCard contact attachmentsQuestion mark appears on a slide Troubleshooting AttachmentsSkipped content bar appears in a document Media Audio and video filesPlay a media file Record a voice noteFast-forward or rewind a media file Pause a media filePlay a media file on a web Repeat songsAmplify the volume using the audio boost feature Improve sound quality for songsKeep backlighting on when you play a video PlaylistsAbout playlists Create a standard playlistAdd a song to a playlist Add the song that is playing to a playlistChange the order of songs in a playlist Delete a song from a playlistDelete a playlist Create an automatic playlistRename a playlist Apply a color effect to videos Video cameraTurn on video lighting Change the location for storing videos CameraChange the video size and format Change the location for storing pictures Change the size of pictures that you takeSet picture quality Change the default size of the viewfinder PicturesApply a color effect to pictures View a pictureZoom in to or out from a picture Rotate a pictureSave a picture from an MMS message or a web Use a picture as your device wallpaperManaging media files Change the number of seconds between slides in a slide showView pictures in list view Sort picturesDelete a media file or folder Rename a picture or picture folderMove a media file Memory and media cards Search for a media fileView properties for a media file About media cardsView the amount of memory used by media files Supported media cardsChange the amount of memory available for media files Turn off media card supportTurn off mass storage mode or MTP Turn off the prompt for mass storage modeAbout compression About file encryptionTurn on encryption Repair your media card or device memorySupported audio and video file formats Transferring and downloading media filesAbout transferring and synchronizing media files User Guide Save a media file from a web Send a media file Receive a media file using Bluetooth technologyStop downloading an attachment Download a ring tone Download a pictureTroubleshooting Media Cannot open media filesMy device is not using the correct ring tone or wallpaper My device does not recognize my media cardFlash dims or turns off Some pictures that I take are blurry122 Browsing web pages BrowserBrowser basics Move back or forward a web Refresh a webSave a web page to the main messages application Stop loading a webViewing, copying, and forwarding addresses About bookmarks for web pages Browser bookmarksViewing pictures and playing media files Add a bookmark for a web Change a bookmark for a webSend a bookmark for a web Delete a bookmark for a webAdd a bookmark folder for web pages File a bookmark for a webRename a bookmark folder for web pages Delete a bookmark folder for web pagesView web feed content Listen to web feed contentWeb feeds About web feedsBrowser options Change options for pictures and animation on web pages Change the home page or startChange JavaScript options Set the character encoding for all web pages Change display options for web pagesChange font options for web pages About browser configurations Set the default browser configurationClear a browser cache Clear the browser historyBrowser security About GearsChange the Gears permissions for a web site About TLSTLS options About WtlsManage browser security Add a trusted content server Wtls optionsBrowser push About browser pushTurn off browser push Browser push optionsBrowser shortcuts Troubleshooting Browser Cannot set up automatic synchronization for bookmarksNo browser is available on my device Cannot play a song or video on a webDate, time, and alarm Set the date and time manuallyDisplay a second time zone Turn on bedside clock modeChange the clock face Set options for bedside clock mode Turn on the alarmSilence the alarm Change alarm notification optionsUse the stopwatch Set the timerChange timer notification options Troubleshooting Date, time and alarm Time on my device is incorrectContact basics Personal organizerContacts Add a pause or a wait to a phone number View a contactChange a contact Delete a contactCustomizing contacts About custom ring tonesAssign ring tones and alerts to a contact Add a caller ID picture for a contactMailing lists Change the caller ID picture for a contactDelete the caller ID picture for a contact About mailing listsCreate a mailing list Change a mailing listView a mailing list Delete a mailing listMultiple contact lists Contact list optionsTroubleshooting Contacts Turn off the prompt that appears before you delete itemsView the number of contacts stored on your device Caller ID pictures are not appearing on my deviceCalendar Calendar basicsRecurrence fields Schedule an alarmSchedule a meeting Open an appointment, meeting, or alarm Delete an appointment, meeting, or alarmSwitch days in Day view MeetingsCheck availability of meeting participants View your calendar when responding to a meetingRespond to a meeting invitation Delegate a meeting invitation Change the list of participants for a meetingForward a meeting invitation Conference call meetings Change the default calendar view Change the default reminder time for calendar entriesCalendar options Enter a conference call meetingView tasks in a calendar Change the start and end time for daysChange the snooze time for reminders Change how long your device stores calendar entries Change the first day of the weekHide free time in Agenda view Switch calendars Multiple calendarsView the number of calendar entries stored in a calendar About multiple calendarsChange the calendar that reminds you of appointments Change the default calendarCalendar shortcuts Troubleshooting Calendar Cannot set some fields when scheduling appointmentsCannot schedule appointments that span multiple days Cannot enter a conference call with the Join Now optionTasks Task basicsCreate a task Change a taskTask list options Hide completed tasksSend a task or memo Delete a taskView the number of tasks or memos stored on your device Memos Memo basicsCreate a memo Change a memoCategorizing contacts, tasks, or memos Memo list optionsAbout categories Delete a memoCreate a category for contacts, tasks, or memos Categorize a contact, task, or memoSort contacts, tasks, or memos by category Delete a contact, task, or memo from a categoryConvert a measurement CalculatorUse the calculator Switch sound profiles Ring tones, sounds, and alertsRing tones, sounds, and alerts basics About ring tones, sounds, and alertsChange a sound profile Silence your deviceCreate a custom sound profile Delete a sound profileAssign ring tones and alerts to a contact Turn on event soundsTurn off Bluetooth connection notification Turn on LED notification for wireless coverageLED notification LED notificationTroubleshooting Ring tones, sounds, and alerts My device is ringing or vibrating more times than expectedTyping Typing basicsTyping input methods Typing optionsSet the default currency symbol Spelling checkerTurn on key tones Use shortcut keys on the Home screenCheck spelling Correct spelling while you typeCorrect spelling quickly while you type Check spelling automatically before sending email messagesChange options for checking spelling Add a word to the custom dictionaryChange a word in the custom dictionary Delete a word from the custom dictionaryCustom dictionary About the custom dictionaryAutoText Stop adding items to the custom dictionary automaticallyAbout AutoText Create an AutoText entryTurn off AutoText for SMS text messages Change an AutoText entryDelete an AutoText entry Undo an AutoText changeTroubleshooting Typing Cannot check spellingLanguage Change the shortcut for switching typing input languages Turn off the shortcut for switching typing input languagesSome characters do not appear correctly on my device Troubleshooting LanguageChange the display options for contacts Display options Display and keyboardBacklighting Download a Home screen background Set owner informationChange the display font Use reverse contrast for the screen displayAdd an application folder Change an application folderMove an application icon Hide an application iconTurn off trackball sounds KeyboardSet the number of icons that appear on the Home screen Switch themes ThemesAssign an application to a Convenience key Set the trackball sensitivityTroubleshooting Display Search Messages, attachments, and web pagesSearch for messages Search criteriaManage message search results Search for messages by contact or subjectSearch for text in a message, in a file, or on a web View a list of saved searchesChange a saved search Delete a saved searchOrganizer data Search for organizer dataSearch for contacts in your organizations address book Manage contact lookup resultsSearch shortcuts Reconcile email messages over the wireless network Delete email messages over the wireless networkSynchronization About synchronizationSynchronize organizer data over the wireless network About synchronization conflictsAbout backing up and restoring device data Manage email reconciliation conflictsManage data synchronization conflicts Prerequisites Restoring data over the wireless network Troubleshooting Synchronization Email messages are not reconciling over the wireless networkUser Guide Bluetooth technology Bluetooth technology basicsAbout Bluetooth technology Turn on Bluetooth technologyShare contacts with a paired Bluetooth enabled car kit Connect to a paired Bluetooth enabled deviceSwitch to a paired Bluetooth enabled device during a call Rename a paired Bluetooth enabled device Delete a paired Bluetooth enabled deviceBluetooth technology options Bluetooth profilesMake your BlackBerry device discoverable Change the pairing name for your BlackBerry deviceRestrict outgoing calls Turn off the prompt that appears when connecting or pairing Turn off a Bluetooth profileTroubleshooting Bluetooth technology Cannot type a passkey on a Bluetooth enabled deviceMy list of paired Bluetooth enabled devices does not appear Cannot pair with a Bluetooth enabled deviceCannot share contacts with a paired Bluetooth enabled device GPS technology About GPS technologyGet your GPS location Turn off location aidingCannot use GPS technology Troubleshooting GPS technologyPrevent others from tracking your location Maps Map basicsView an address on a map using a link View a list of points of interest near a locationView points of interest on a map Track your movementNavigation Set a home or work addressShow or hide a layer on a map Zoom in to a direction on a routeMaps bookmarks Pan a mapAdd a bookmark for a location or route Change a bookmark for a location or routeMap options Add a bookmark folder for locations or routesFile a bookmark for a location or route Set the GPS receiver that you use to track your movementKeep backlighting on when you track your movement View status information at the top of a mapView north at the top of a map Hide the tracking information at the bottom of a mapDiagonal lines appear on a map Troubleshooting MapsView a geotagged picture on a map 222 Keep an application running and return to the Home screen ApplicationsAbout multitasking About instant messaging applications Close an application so that it is not runningAbout adding applications View properties for an application About social networking applicationsAdd an application View the size of an application database Check for application updatesDelete a third-party application Troubleshooting Applications BlackBerry Device Software About updating the BlackBerry Device SoftwareUser Guide Update the BlackBerry Device Software from a web site Troubleshooting BlackBerry Device SoftwareUser Guide Wireless network coverage Turn on the connection to the wireless networkTurn off the connection to the wireless network Turn on or turn off data service or set roaming optionsWireless networks that your device connects to Turn on LED notification for wireless coverageCheck the status of network connections and services RoamingSwitch wireless networks manually About wireless coverage indicatorsPreferred wireless network list About the preferred wireless network listCannot connect to a wireless network Troubleshooting Wireless network coverageChange the order of preferred wireless networks Cannot synchronize a certificate Wi-Fi technology About connecting to a Wi-Fi networkTurn on Wi-Fi technology Connect to a Wi-Fi networkConnect to a Wi-Fi network using the PIN method Delete a Wi-Fi profile About Wi-Fi profilesChange the order of Wi-Fi profiles Prevent your device from connecting to a Wi-Fi network Advanced Wi-Fi connection settingsChange a Wi-Fi profile Connection options for Wi-Fi profilesSecurity options for Wi-Fi profiles SsidWi-Fi profile IP and DNS options ImsiInstall a root certificate on your computer UMA connection settingsSet your device to connect to a specific Wi-Fi network Wi-Fi technology troubleshooting About using UMA with a Wi-Fi networkCannot connect to a Wi-Fi network Change your preferred network typePower, battery, and memory Best practice Conserving memory on your device Format the device memory or a media cardView the amount of available memory Application memory on my device is low SIM card About the SIM card phone bookAdd a contact to your SIM card Copy contacts from your SIM card to your contact listStore SMS text messages on your SIM card Change a SIM card contactDelete a SIM card contact About SIM card security Protect your SIM card with a PIN codeChange the SIM card PIN code Change the display name for a phone numberSecurity Security basicsSet a limit for device password attempts Lock the keyboardPassword keeper About the password keeperAdd a password to the password keeper Generate a random passwordView a password in the password keeper Change a password in the password keeperHide passwords in the password keeper Delete a password from the password keeperEncryption 257 Generate an encryption key Set encryption strengthAbout encryption keys Turn on memory cleaning Memory cleaningAbout memory cleaning Certificates Certificate basicsAbout certificate authority profiles Download a certificate from a certificate authorityImport a certificate or PGP key from the device memory Import a certificate or PGP key from a media cardView properties for a certificate Certificate propertiesView one type of certificate in the certificate list Send a certificateDelete a certificate View the certificate chain for a certificateCertificate status Change the trust status of a certificate Revoke a certificateCertificate options Certificate revocation reasonsChange the display name for a certificate Add an email address to a certificateUser Guide PGP keys Certificate shortcutsPGP key basics Download a PGP key from an Ldap certificate serverDownload an updated PGP key from an Ldap certificate server Download a personal PGP key from the PGP Universal ServerSend a PGP key View properties for a PGP keyPGP key properties PGP key status indicators PGP key statusDelete a PGP key Clear the PGP data cacheCheck the revocation status of a PGP key Change the trust status of a PGP keyRevoke a PGP key PGP key revocation reasonsPGP key options Change the display name for a PGP keyTroubleshooting PGP keys Certificate serversPGP key shortcuts Add a certificate serverConnection options for Ocsp and CRL servers Change connection information for a certificate serverConnection options for Ldap and Dsml certificate servers Key stores Send connection information for a certificate serverDelete a certificate server About the key storeChange when your device deletes the key store password Change the key store passwordSynchronize the key store password with the device password Turn off automatic backup and restore of key store data Change the refresh rate for certificate revocation listsSmart cards About using a smart card with your deviceAbout two-factor authentication Turn on two-factor authentication Import a certificate from a smart cardAbout smart password entry Turn off smart password entrySwitch smart password filters Prerequisites Using authentication certificatesUse a certificate to authenticate your smart card Software tokens Turn off notification for smart card connectionsAbout software tokens Change the PIN for a software token on your deviceVPN settings Change the user name and password for a VPN profileAbout VPN profiles Prerequisites Logging in to a VPNAbout security self-tests Verify security softwareThird-party application control Change the software token for a VPN profileReset connection permissions for third-party applications Turn on safe modeConnection permissions for third-party applications Set permissions for a third-party applicationTurn off a prompt for a third-party application connection Interaction permissions for third-party applications Troubleshooting Security Cannot unlock my device using my smart cardData permissions for third-party applications Cannot download a certificateUser Guide Service books and diagnostic reports Service booksAbout service books Accept a service bookDiagnostic reports About diagnostic reportsRun a diagnostic report View a diagnostic reportCannot run or submit a diagnostic report Delete a diagnostic reportSet a default recipient for diagnostic reports Wi-Fi diagnostic reports About Wi-Fi diagnostic reportsSubmit a Wi-Fi diagnostic report Include advanced data in Wi-Fi diagnostic reportsUser Guide Accessibility options About accessibility options Change the display fontUse reverse contrast for the screen display Use grayscale for the screen displayAssign ring tones and alerts to a contact Set the number of icons that appear on the Home screenTurn on event sounds TTY support Hearing aid modeAbout hearing aid mode Voice dialing Turn on hearing aid modeMake a call using a voice command BrickBreaker capsules BrickBreakerAbout BrickBreaker Adjust the volume BrickBreaker scoringPlay BrickBreaker Set the paddle speedSubmit a score to the BrickBreaker high score web site Check the high scores on the BrickBreaker web siteWord Mole game Word Mole game basicsAbout the Word Mole game Form a wordTurn on tutorial mode Single-player gamesSave a game Resume a gameMultiplayer games Check the Leaderboard on the Word Mole game web siteInvite a player Accept an invitationTroubleshooting Word Mole Some words that I submit are not recognized Glossary ADNEAP-FAST MCC Rtsp TTY Legal notice 313User Guide User Guide User Guide

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8350i specifications

The BlackBerry 8350i, released in 2009, is a rugged smartphone that combines the reliability of BlackBerry's communication features with durable design, catering especially to business users in demanding environments. This device marked a notable evolution in BlackBerry's lineup, focusing on both functionality and robustness, making it ideal for those in construction, transportation, and other outdoor industries.

One of the standout features of the 8350i is its push-to-talk (PTT) capability, which integrates seamlessly with the Nextel network. This feature allows users to communicate instantly with colleagues via a walkie-talkie style interface. The click-to-talk functionality is a game changer for teams that require real-time communication, even in noisy settings or over long distances, enhancing productivity and response times.

The BlackBerry 8350i operates on the BlackBerry OS, offering a user-friendly interface that includes messaging, calendar functions, and a robust email system. The device supports BlackBerry Messenger, which allows for quick and secure messaging between BlackBerry devices. It also includes support for popular email services, enabling users to stay connected to their work and personal communications on the go.

In terms of hardware, the 8350i features a compact design, with a full QWERTY keyboard that is ideal for text-heavy tasks. The screen measures 2.5 inches diagonally and offers a resolution of 320 x 240 pixels, providing clear visibility for reading and navigating applications. The device is powered by a 3.7V battery with a capacity of 1400 mAh, which delivers a life that can last through a full workday, though actual performance may vary based on usage.

Another significant characteristic of the BlackBerry 8350i is its robust and rugged build. It is designed to withstand tough environmental conditions, with features such as water resistance and dust protection. This durability makes it a dependable choice for field work and other challenging scenarios.

The 8350i also includes features such as GPS for location services, a 2-megapixel camera for basic photography, and expandable storage through a microSD card slot, allowing users to increase their device's memory as needed. With these technologies and characteristics, the BlackBerry 8350i represents a reliable option for professionals needing a durable phone with robust communication capabilities in the field.