Saya mua nrerestart hp nokia 3110c tapi masalhnya kok g' bisa-bisa padahal sudah dicoba dengan cara *#7370# tetap tidak bisa lalu saya gunakan juga *#7780# yang ini masuk tapi minta kode saya coba kode yang standar tidak mau masuk....jadi tolong masalhnya dimana ya...balas

English translation of above solution.

Soft Reset
Soft Reset will clear pending errors and bring your mobile to an initial state by restoring Factory setting. To operate this function on your mobile, the shortcut is: *#7380#
This function apparently works on almost all Nokia mobile phones.

Hard Reset
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.

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
English translation of above solution.

Soft Reset
Soft Reset will clear pending errors and bring your mobile to an initial state by restoring Factory setting. To operate this function on your mobile, the shortcut is: *#7380#
This function apparently works on almost all Nokia mobile phones.

Hard Reset
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.

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