Master reset
If you experience problems with your phone, such as screen flickering, screen freezing, or navigation problems, you should reset the phone.
To reset the phone•From standby select Menu > Settings > the General tab > Reset all > Cont. > Cont.
Reset all deletes all user data such as contacts, messages, pictures and sounds in your phone.
Restart your phone every day to free memory. Do a Master reset if you have problems with memory capacity or the phone is working slowly.
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