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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: Repair
Selected model: SM-A307FN
Software version: 45.13

Waiting ADB device... OK
Reading phone info...
Model: SM-A307FN
Android version: 11
PDA version: A307FNXXU3CVJ2
CSC version: A307FNOJM3CVJ2
Phone version: A307FNXXU3CVJ2
Product code: SM-A307FZKVXSG
CSC country code: UAE
CSC sales code: XSG
Carrier ID: KSA
Phone SN: RZ8MB1M03LA
IMEI: 351715111061584
HW version: MP 0.1B0
RF cal date: 20191115
Chip name: EXYNOS7904
Modem board: SHANNON327
Security patch: 2022-10-01
Boot Warranty bit: 1
SIM State: ABSENT,ABSENT
Checking Super user right... true
Root version: 25.2:MAGISKSU
Checking data... OK
Searching server... OK
Checking server answer... OK
Data preparation... OK
Initialization zTool... OK
Running zTool, please wait... OK
Executing 1st step... error (6 2.7.9)
Rebooting phone... OK

Done with Samsung Tool PRO v.45.13 [SM-A307FN,Repair]

what is this problem?
in Samsung Tool by (120 points)

1 Answer

0 votes
Hello.

Security patch: 2022-05-01 and newer currently not supported.
by (199k points)
...