You have an old software version. Try the following:
enter this code*#7780# : Factory Reset
Note:
.
Factory Reset resets all settings to defaults but keeps any applications you have installed and photos etc. Both need the Security code, which, by default, is 12345.
After reseting the the phone upgrade your software to the newest version and that you could do yourself by following the instruction on the Nokia internet site. Do not give your mobile to the stores because this is a new technology and the person should avoid the normal stores which can only do the routine work Let me know what happened.
المفضلات