Unlock the phone and go to the Main Menu .
Ensure the phone is turned off . (Remove and reinsert the battery if it's frozen). How to Hard Reset NOKIA 2700 classic
The phone will restart. Once it boots up, it will be as clean as when you first bought it. Method 2: Hard Reset Using Hardware Keys (For Frozen/Unresponsive Phones) Use this method if the phone is frozen, stuck on the Nokia logo, or you have forgotten your security code. Unlock the phone and go to the Main Menu
Once you see the logo, release only the Power button . Continue holding the other three keys (Call, *, 3). stuck on the Nokia logo