Nokia Asha 503 hard reset hard-reset.net Posted by jack on November 11, 2015 in Android | 14 Views | Leave a response It is very easy to hard reset Nokia Asha 305.You don’t need any knowledge to do this.Just read this post. Warning! All user data will be lost so please make backup first. Power on your phone. Type on screen keyboard *#7370# Confirm OK! That’s all!