Hi!!!!
 

I unlock my mobile phone through this site http://www.*********************.com/
It has the best unlocking methods and it is safe also!!!!!!
Then i got the unlock instructions for my model mobile, through this site http://www.*****************.com/
It has the best step by step instructions for unlocking mobile phones!!!!!

sir flash with other file both sim will work...........try brother[try with file name o k tested by me] i solved with it..........