thank đã xong .. nhưng repari imei máy em đã root rồi mà bị lỗi này là sao ạ REPAIR INSTRUCTIONS: Phone must be rooted! If the software can't root the phone automatically, then you must root your device manually. 1. Power on the phone. 2. Enable 'USB debugging' in 'Settings'-'Developer options' for Android 4.0 - 4.1.2 or tap 7 times on 'Build number' in 'Settings'-'About phone' to enable 'Developer options' in Android 4.2+. 3. Connect the phone to PC with USB cable, install drivers if needed. 4. Select device in ADB settings. 5. Fill values what you need to repair. 6. Press 'Repair' button. 7. Press 'Reset EFS' if you need to reset it. Be carefully, do not perform this without necessity and make backup before. 8. Press 'Disable Factory Mode' or 'Patch Sertificate' if needed. Operation: Repair Selected model: GT-N7100 Software version: 25.3 If you are looking for 'Repair Network' function then you should use 'Patch Certificate' Waiting ADB device... OK Reading phone info... Model: Android version: Product code: Phone version: PDA version: CSC version: CSC country code: CSC sales code: HW version: Phone S/N: Modem board: RF cal date: IMEI: Checking Super user right... false Rooting phone, please wait... error