im having problem with my phone 6670 smartphone,i had broken the screen and i`ve chance the screen it worked fine but after few hours i tryed to get in to my pics when i prees it was just going back to menu and i switch the phone off but when i switch it on nothing came up it just says start up failed.contact the retailer,ive heard its needs the formatting but i dont know what to do,how to do it plase help me with this stupid problem its driving me crazy.
thank you in advance.