Sony 1264-0772 ユーザーズマニュアル
Troubleshooting
My phone is not working as expected
If you experience problems with your phone, check these tips before you try anything
else:
•
Restart your phone.
•
Remove and re-insert the battery and SIM card. Then restart your phone.
•
Update your phone. Updating your phone ensures optimal performance and provides the
latest enhancements. See Updating your phone on page 107 for more information.
•
Reset your phone.
Be patient while resetting your phone. Restarting the phone during a reset procedure may
damage the phone permanently.
Resetting the phone
You can reset your phone to its original settings, with or without deleting all of your
personal data. It is possible to reset the phone to the state it was in before you first
turned it on. But before you perform a reset, make sure to back up any important data
saved on your phone.
To reset the phone settings
To avoid permanent phone damage, do not restart the phone while a reset procedure is
underway.
1
From your Home screen, tap .
2
Find and tap Settings > Backup & reset.
3
Tap Factory data reset.
4
Tap Reset phone.
5
To confirm, tap Erase everything.
I cannot charge the phone
The charger is not properly connected or the battery connection is poor. Remove the
battery and clean the connectors.
No battery charging icon appears when phone starts charging
It may take a few minutes before the battery icon appears on the screen.
The battery performance is low
Follow our smart tips on how to get more out of your battery. See Improving battery
performance on page 14.
The device does not recognize my wired headset
•
Make sure the wired headset that you are using complies to the CTIA standard. Your
device supports the CTIA standard, and may not be fully compatible with other
standards such as OMTP.
•
If you have a wireless headset that is compatible with your device, try using that instead.
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