a520f patch cert error new security

Question

a520f patch cert error new security

hi.a520f patch cert error new security 2020 . is there a way to downgrad from 2020 security to 2019?

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 CERT Nov 2019
Selected model: SM-A520F
Software version: 44.17

Waiting ADB device... OK
Reading phone info...
Model: SM-A520F
Android version: 8.0.0
PDA version: A520FXXSGCTL1
CSC version: A520FOJVGCTI2
Phone version: A520FXXUGCTI9
Product code: SM-A520FZDDXSG
CSC country code: UAE
CSC sales code: XSG
Phone SN: R28JB0XN6NL
IMEI: 866238021615488
HW version: MP 0.400
RF cal date: 20171107
Chip name: EXYNOS7880
Modem board: SHANNON325
Security patch: 2020-12-01
Boot Warranty bit: 1
SIM State: ABSENT,ABSENT
Checking Super user right... true
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... error (0 5.2)
Reboot phone and try again.
Check ADB drivers, USB cable. Don't use USB Hubs
If this repeated then reflash phone and make factory reset.

Done with Samsung Tool PRO v.44.17 [SM-A520F,Patch CERT Nov 2019]

asked Dec 29, 2022 in Samsung Tool by DARKKING (160 points)

a520f patch cert error new security

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