It may happen that despite you have restored your mobile to factory setting, the error still exist. In this case, it is recommended that you opt for Hard reset
- Enter the code: *#7370# and press Yes to confirm initialization.
- Important Notice: It is recommended that you save all important information on your phone (e.g: memo, contacts etc)
- To make a Hard Reset on a Nokia phone that is not willing to turn on, just press simultaneously these 3 buttons:
- on/off + * + 3
- Before making a Hard reset better backup all your important information: contacts , memo…etc