hello install the application user to delete preinstalled applications but mistakenly delete the application and system iu ygps as retrieve it as my mobile screen went black and not brand the network signal of the battery on top of Screen what worries me all eventhough the team works 95% is to install the equipment to the pc I put debug usb and only appears mt65xx android phone below the removable disk appears, but as transparent and does not come that I guess is iu about the drive system or erase some of iu device 4.2.2 thAnk system help