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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. 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. Fill values what you need to repair.
  6. Press 'Repair' button.
  7. Press 'Patch Certificate' if you have network problem after repairing.
  
Operation: Patch Certificate
Selected model: SM-M307F
Software version: 43.19

Waiting ADB device... OK
Reading phone info...
Model: SM-M307F
Android version: 11
PDA version: M307FXXU4CUAG
CSC version: M307FODM4CUAG
Phone version: M307FXXU4CUAG
Product code: SM-M307FZKDINS
CSC country code: India
CSC sales code: INS
Carrier ID: INS
Phone SN: RZ8M901C9PT
IMEI: 354377087945378
HW version: MP0.400
RF cal date: 20190901
Chip name: EXYNOS9611
Modem board: SHANNON337
Security patch: 2021-01-01
Boot Warranty bit: 0
SIM State: ABSENT,ABSENT
Checking Super user right... true
Initialization zTool... error (1)

Done with Samsung Tool PRO v.43.19
in Samsung Tool by (120 points)

1 Answer

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Hello. Currently this bit not supported for repair operations.
by (78.3k points)
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