How to Format Nokia Lumia 920 100% Tested

 Simple To Format Nokia Lumia 920 

to format your Nokia lumia 920 windows phone mobile follow the tips:

first method:

go to Start menu>Settings>About>Reset your phone

second method :

1-disconnect the charger if it is connected

2-turn off your phone

3-press and hold the volume down +connect the charger if it is OK theexclamation mark will appear (!)

4-press the following buttons in the order below:

• volume up
• volume down
• power
• volume down

5-wait for the process to finish , the phone will start automatically

note:make sure to back up your phone before starting , because all of your data will be lost.