How To nokia c3-00 hard reset

if your device is not working properly. device is slowly working or hang problem you should try to solve this problem before go to service center. 

first backup your all impotent data and remove memory card, sim card.

For hard reset make sure your device battery is not empty. 

Type This code on *#7370# than ask you security code. the default security code is 12345


Some Nokia Device is Hard Reset via this menu options 

Menu > Settings > Phone > Phone Management > Factory Settings > Delete Data and restore > yes