Resetting your phone often resolve some unusual problems you may be encountering on your phone. Problems like: slow booting, when your phone starts displaying white screen etc. Also Sometimes you may mistakenly set something on your phone and might not know how to undue
it. Resetting it may solve these problems and return it to its original factory settings. Note that before resetting, make sureyour battery is charged. How to reset: Soft reset; This method resets your phone to its original factorysetting. No file will be lost and it works almost on all nokia phones. To reset dial*#7780# send and you will be asked if you want to reset factory settings, press ok and it will request for your security code. Default code is 12345. Entercode and send . Wait for some seconds, Your phone will switch off and on itself and settings will be restored to it normal settings.
Hard reset: This method will delete all applications, games, messages and sometimes your contacts so befor using this method, make sure you back up your contacts and any thing you would not want to lose.
Then press *#7370# and send. Your phone will be restored to normal.