How do I format my Samsung Grand Duos mobile phone?

[AC Question]

How do i format my Samsung Grand Duos mobile phone

I am not able to start my samsung grand mobile

 

[belodion]

Re: How do i format my Samsung Grand Duos mobile phone

Welcome.

We'll need some more details in order to be able to help. Is this a device you've just acquired? If not, have you been having problems with it of late? Is the battery good? Has there been any damage to the device?