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Sony Ericsson D750i The phone turns itself off, I cannot use SMS/text messages on my phone, I cannot charge the phone or battery capacity is low

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Troubleshooting

I cannot turn on the phone Possible cause: The battery is discharged. Solution: Recharge the battery, %6 To charge the battery.

Solution: Make sure you attached the charger correctly. Turn the phone on with the charger attached. If the phone starts, restart the phone with no charger attached.

I cannot charge the phone or battery capacity is low

Possible cause: The charger is not properly connected to the phone.

Solution: Make sure that the charger connector clicks properly into place when connected. The battery icon flashes when charging is in progress, and stops when the battery is fully charged, % 6 To charge the battery.

Possible cause: The battery connection is bad.

Solution: Remove the battery and clean the connectors. You can use a soft brush, cloth or q-tip, soaked with alcohol. Make sure that the battery is completely dry before you put it back. Check that the battery connectors in the phone are undamaged.

Possible cause: The battery is worn out and needs to be replaced.

Solution: Try another battery and charger for the same phone model, or visit your retailer and ask them to verify if the battery and charger are working properly.

The phone turns itself off

Possible cause: The button has been pushed unintentionally.

Solution: Turn on the automatic key lock or lock the keypad manually, % 78 Keypad lock. Possible cause: The battery connection is bad. Solution: Make sure the battery is inserted correctly, % 5 To insert SIM card and battery.

I cannot use SMS/text messages on my phone

Possible cause: Settings are missing or incorrect.

Solution: Contact your network operator to find out the correct SMS service centre setting, % 36 Text messaging (SMS).

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Contents

Contents Sony Ericsson D750i T-Mobile Page Page Getting started Assembling the phone Instruction symbols SIM card SIM card and battery information Memory Stick Duo™ Turning on the phone and making calls To turn on the phone To make and receive calls } Answer } the General tab } Setup wizard Getting to know your phone Phone overview Overview, menu Keys and navigation } Info Info Shortcuts Phone language Entering letters To enter letters using T9™ Text Input Insert To select another writing method Options list Add item Activity menu File manager To create a subfolder New folder To select several files To use a file from the file manager } Mark } Mark several Calling Making calls Receiving calls Making international calls Automatic redialling Emergency calls Contacts To add a phone contact To add a picture or a ringtone to a 1 } Contacts } New contact } Add phone contact Add Updating contacts Sending contacts Copying contacts Call list Speed dialling Voice control Voicemail Voice dialling The magic word To activate and record the magic word 1} Settings } the General tab } Voice control } Magic word } Activate Voice answering To activate voice answering and record voice answer commands To answer a call using voice commands To reject a call using voice commands Editing your voice commands To re-recorda voice command 1} Settings } the General tab } Voice control } Voice dialling } Edit names Diverting calls More than one call Conference calls Two voice lines My numbers Accept calls Restricted dialling Fixed dialling Call time and cost Additional calling functions Groups Business cards Messaging Text messaging (SMS) Enter phone no look-up Enter email addr Send To insert an item in a text message To save or delete several messages Mark or Unmark 4} More } Save messages or } More } Delete messages or } Delete all msgs To delete a message Picture messages (MMS) To create and send a To set a default message option picture message } Messages } Settings } Picture message and 1 } Messages } Write new } Picture msg } Add Voice messages Email To write and send an email message 1} Messages } Email } Write new To send, receive and read email messages 1} Messages } Email } Inbox } Send&rec Email To save an email message } Save message } Saved email Saved email To save several email messages 1} Messages } Email } Inbox Imaging Camera and video recorder To activate the camera To take pictures and video clips To use the zoom To adjust brightness To turn on the photo light Camera and video options •Switch to video camera – to record a video clip instead of taking a picture •Switch to still camera – to take a picture instead of recording a video clip Shoot mode Normal Pictures To view information about a picture or video clip 1} File manager } Pictures or Videos, select the picture or video clip 2} More and select Information Using pictures To use a picture To receive and save a picture To connect to a remote screen } File manager } Pictures } View } More Remote screen Entertainment Media player To remove files from a playlist Media player Open Delete To delete playlists Media player options Play mode Loop Shuffle Equalizer Radio t-music Ringtones and melodies MusicDJ™ VideoDJ™ Sound recorder Themes Games Connectivity Settings Options when browsing Refresh page Send link Exit browser Sony Ericsson Downloading To download from t-zones Stored information To allow or clear cookies in your phone To clear the password list Synchronizing To select sync order for names Synchronization with nearby devices Remote synchronization with Internet programs To enter the remote synchronization settings Connection Bluetooth™ wireless technology To turn Bluetooth on Power save } Settings } the Connectivity tab } Bluetooth } Turn on To add a device to your phone To hide or show your phone when To receive an item using Bluetooth } Visibility 2 } Show phone or Hide phone To transfer sound when using a handsfree Transfer sound Directing sound To direct sound when answering a call with a handsfree 1} Settings } the Connectivity tab } Bluetooth } Handsfree } Incoming call Infrared port Transferring files using the USB cable Update service More features Time and date Calendar Appointments To add a new appointment } New appointment } Add To view an appointment To view your calendar content Tasks Notes Profiles Stopwatch Brightness Start-upscreen Timer Calculator Java™ applications SIM card lock Keypad lock Phone lock Code memo Checkword and security To add a new code } Organizer } Code memo and enter your passcode } New code } Add } Continue Troubleshooting I cannot charge the phone or battery capacity is low The phone turns itself off I cannot use SMS/text messages on my phone I cannot use MMS/picture messages on my phone I cannot use the Internet/WAP The phone cannot be detected by other users via Bluetooth Master reset Reset all To reset the phone 1} Settings } the General tab } Master reset 2 } Reset settings or } Reset all Wrong PIN/Wrong PIN2 PIN blocked/PIN2 blocked Emerg. calls only Codes do not match No netw. coverage Additional information Guidelines for Safe and Efficient Use Antenna Efficient use Radio frequency (RF) exposure and SAR Driving Personal medical devices CHILDREN Disposal of old electrical & electronic equipment Power supply Emergency calls Limited Warranty Our warranty What we will do Conditions Page Page Declaration of Conformity Icons Page Index