Sony Ericsson K750i User Guide - Page 75

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, % 71 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, % 32 Text messaging (SMS). I cannot use MMS/picture messages on my phone Possible cause: Your subscription does not include data capability. Solution: Please contact your network operator. Possible cause: Settings are missing or incorrect. Solution: Go to www.SonyEricsson.com/support, choose your phone model, then choose "Phone setup - MMS" and follow the instructions. % 56 Settings. Troubleshooting I cannot use the Internet/WAP Possible cause: Your subscription does not include data capability. Solution: Please contact your network operator. Possible cause: Internet settings are missing or incorrect. Solution: Go to www.SonyEricsson.com/support, choose your phone model, then choose "Phone setup - WAP" and follow the instructions. % 56 Settings. The phone cannot be detected by other users via Bluetooth Possible cause: You have not turned Bluetooth on. Solution: Make sure that Bluetooth is turned on and that your phone is visible to other users. % 62 To hide or show your phone when using Bluetooth. I have problems synchronizing or transferring data between my phone and my computer, when using the USB cable that came with the phone Possible cause: The cable has not been properly detected and installed on your computer. The software that came with your phone has not been properly installed on the computer. Solution: Go to www.SonyEricsson.com/support, choose your phone model, then choose "Product This is the Internet version of the user's guide. © Print only for private use. 75