Why can't I get an exclamation mark on factory reset? Nokia Lumia 630

[D4nny801Br1ck95]

trying to reset one of my old nokias cant use soft reset as cant access the menu and tried hard reset and i cant get the exclamation mark to appear on phone and i have tried holding down on power button then plugging the charger in still doesnt come up any ideas.

thank you

 

[shmsnh]

Does your phone power on?

The key sequence is this: while the phone is off, press and hold vol_down, then press power until your phone vibrates and shows an exclamation mark. Now press vol_up, vol_down, power, vol_down (in that order). Your phone should do a hard reset.