Install drivers for your phone by downloading and installing HiSuite software or by downloading this driver pack and applying drivers manually. Then connect it to PC and install drivers This is done by entering in dial pad code *#*#2846579#*#*, select 'Project Menu', 'Background settings', 'USB ports settings', 'Manufacture mode'. IMPORTANT: Enable 'manufacture mode' on your phone. WARNING: unlock codes does not include bootloader unlock code!