em nhận khách con fpt s552 lỗi rom, em có mua rom trên trang romvietgsm.File đó up bằng Miracle Box 2.27A Crack nhưng cứ báo lỗi này Check the new version. Fuzzy Logic Method is very safe and reliable ! 1. Power Off Phone , Remove Battery, Insert Battery Back 2. Please Hold BootKey(UP and DOWN),Insert USB cable 3. Use Miracle Boot Key In cases Boot key not Find 4. Battery Should be Charged more then 50% Scanning USB Serial port... SU2Serial Port: COM1 Connecting to Phone,Wait.. Open port error, Port is occupied or non-existent Please RePower on & off 1. Power Off Phone , Remove Battery, Insert Battery Back 2. Please Hold BootKey(UP and DOWN),Insert USB cable 3. Use Miracle Boot Key In cases Boot key not Find 4. Battery Should be Charged more then 50% Scanning USB Serial port... SU2Serial Port: COM1 Connecting to Phone,Wait.. Open port error, Port is occupied or non-existent >>Please RePower on & off
