Talking about smart phone, when you have a software problem. I think you can handled this trouble without anyone help and without go to service center. It is very simple step. This collections have compiled too in a exe program, and many type of smart phone collected in this program. Here is the screen shot :Many type of smart phone and PDA master reset and hard reset tricks such as HTC, O2 XDA, Samsung, BenQ, Palm, NEC, Dell and more. In this program contains tutorial in text and picture to help and make easy the steps. And the last, I hope its useful.
Download Smart Phone & PDA Master Reset Tricks Collections