Sony Ericsson Xperia T User Guide - Page 279

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 SIM card. Then restart your phone. • 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 137 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 1 Press and hold down both the volume up key and the power key for 10 seconds. 2 After your phone vibrates three times, release the keys. The phone turns off automatically. To force the phone to restart 1 Press and hold down both the volume up key and the power key for five seconds. 2 After your phone vibrates once, release the keys. The phone restarts automatically. 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 To avoid permanent phone damage, do not restart the phone while a reset procedure is underway. 146 This is an Internet version of this publication. © Print only for private use.