Troubleshooting
Some problems require that you call your network operator, but most of the problems you can easily correct yourself. Remove the SIM card before you hand your phone in for repair.
Master resetIf you experience problems with your phone such as screen flickering or freezing, navigation problems, etc. you should reset the phone.
To perform a master reset
1From standby select Menu } Settings } Advanced } Master reset } Reset settings. Content will not be deleted.
2Select Continue. % 42 Master reset.
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