0 votes
j400f patch error downgrade modem error on samsung tool pro latest version
Operation: Patch Certificate
Selected model: SM-J400F
Software version: 39.1

Waiting ADB device... OK
Reading phone info...
Model: SM-J400F
Android version: 9
PDA version: J400FPUU4BSF4
CSC version: J400FSER4BSF4
Phone version: J400FXXU4BSF2
Product code: SM-J400FZVGSER
CSC country code: Russia
CSC sales code: SER
Phone SN: R28K92L8YXE
IMEI: 862568030012846
HW version: MP 0.300
RF cal date: 20180928
Chip name: EXYNOS7570
Modem board: SHANNON305
Security patch: 2019-07-01
Boot Warranty bit: 1
Checking Super user right... true
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... OK
Searching server... OK
Checking server answer... modem not supported
Searching server... OK
Checking available files... not found compatible file
Try downgrade modem if possible.

Done with Samsung Tool PRO v.39.1
in Samsung Tool by (120 points)

1 Answer

0 votes

Hello, version: J400FXXU4BSF2  security patch: 2019-07-01 is not supported at this moment.

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

by (102k points)