đây a : BACKUP 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. Tap 7 times on 'Build number' in 'Settings'-'About phone' to enable 'Developer options', go to 'Settings'-'Developer options' and enable 'USB debugging'. 3. Connect the phone to PC with USB cable, install drivers if needed. 4. Select device in ADB settings. 5. Press 'Read EFS' button to read backup or 'Write EFS' to restore. 6. Press 'Write CERT' to restore certificates. 7. Press 'Write NV DATA' if you need to restore NV backup. Read certificate operation: 1. Power on the phone. 2. Connect the phone to PC with USB cable. 3. Check Samsung modem in device manager, install drivers if needed. 4. Press 'Read CERT' button to read certificates. (Note, that the cert file for this model is unique. You can write cert, wich is readed from this device exactly.) Operation: Write CERT Selected model: SM-G935K Software version: 27.9 Waiting ADB device... Ok Reading phone info... Model: SM-G935K Android version: 6.0.1 Product code: Phone version: G935KKKU1APJ7 PDA version: G935KKKU1APL1 CSC version: G935KRTC1APL1 CSC country code: KOREA CSC sales code: KTC HW version: Phone SN: 00000000000 Chip name: EXYNOS8890 Modem board: SHANNON335 Security patch: 2016-11-01 RF cal date: IMEI: Checking Super user right... true Reading NV data... Ok Checking NV data... Ok Reading data... Ok Reading MODEM... Ok Calculating... Ok Writing zTool... Ok Initialization zTool... Ok Running zTool, please wait... Start... Ok Initialization... Ok Generate and check client proof... Ok Verify proof by client... Ok Reading data... Ok HWID: 2C A3 EF 7D A2 61 B5 B3 28 3F 25 1E 57 C0 68 E0 Calculating... Ok Initialization AT RIL... AT RIL stopped, restarting... Ok Checking for compatible phone and cert Phone KEY ID: 0445 Checking certificate file... error Incorrect Public key 2 Done with Samsung Tool PRO v.27.9
của bác là bị mất IMEI rồi nhé bác, IMEI giờ chỉ là IMEI ảo thôi k độ 2SIM được bằng cert! thắc mắc gì pmm zalo 0973086596 e giúp