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
•Force a restart of the phone if the phone hangs and can't be restarted normally.
•Update your phone. Updating your phone ensures optimal performance and provides the latest enhancements. See Updating your phone on page 125 for more information.
•Reset your phone.
Be patient while resetting your phone. Restarting the phone during a reset procedure may damage the phone permanently.
To force the phone to shut down
1Press and hold down both the volume up key and the power key 
for 10 seconds.
2After your phone vibrates three times, release the keys. The phone turns off automatically.
To force the phone to restart
1Press and hold down both the volume up key and the power key 
for five seconds.
2After your phone vibrates once, release the keys. The phone restarts automatically.
Resetting the phone
You can reset your phone to its original settings. When you perform a factory data reset, you reset the phone to the state it was in before you turned it on for the first time, and all personal data is erased. You can also reset the phone to the original settings without erasing your personal data. Before you perform a reset, make sure to back up any important data saved on your phone.
To reset the phone without erasing personal data
To avoid permanent phone damage, do not restart the phone while a reset procedure is underway.
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