Sony Ericsson K750i User Manual
Page 75
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75
Troubleshooting
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,
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,
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 choose your phone model, then choose “Phone setup
– MMS” and follow the instructions.
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 choose your phone model, then choose “Phone setup
– WAP” and follow the instructions.
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.
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 choose your phone model, then choose “Product