What is the correct and foolproof method for downgrade modem?

Question

What is the correct and foolproof method for downgrade modem?

Checking server answer... modem not supported
Checking available files... not found compatible file
Try downgrade modem if possible.

Operation: Repair
Selected model: SM-A520F
Software version: 41.0

Waiting ADB device... OK
Reading phone info...
Model: SM-A520F
Android version: 8.0.0
PDA version: A520FXXSECTE2
CSC version: A520FOJVECTE2
Phone version: A520FXXSECTE2
Product code:
CSC country code: UAE
CSC sales code: XSG
Phone SN: R28JB2579PZ
IMEI: 000000000000000
HW version:
RF cal date:
Chip name: EXYNOS7880
Modem board: SHANNON325
Security patch: 2020-05-01
Boot Warranty bit: 1
SIM State: ABSENT,ABSENT
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... OK
Searching server... OK
Checking server answer... modem not supported
Done with Samsung Tool PRO v.41.0

asked Sep 3, 2020 in Samsung Tool by zsc_z79zPmM3 (160 points)

1 Answer

ksenka · Answer 1 · 2020-09-04T20:56:23+0000

Hello, unfortunately, firmware version A520FXXSECTE2 is not supported for unlocking at this moment. The team are working on a solution.

To find out unlock prices and which firmware versions were successful by users you can follow the link and see the model you are interested in.

What is the correct and foolproof method for downgrade modem?

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