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Please describe your problem in more detail. Add the logs of the unlocking process.
by (102k points)
Read Codes via Server ] Selected model: SM-A105FN
[ Read Codes via Server ] Software version: 37.0
[ Read Codes via Server ]
[ Read Codes via Server ] Checking Login and Password... OK
[ Read Codes via Server ] Ballance: 25 crd.
[ Read Codes via Server ] You have 25 credit(s) left. This operation takes 5 credits.Continue?  Yes
[ Read Codes via Server ] Waiting ADB device... OK
[ Read Codes via Server ] Reading phone info...
[ Read Codes via Server ] Model: SM-A105FN
[ Read Codes via Server ] Android version: 9
[ Read Codes via Server ] PDA version: A105FNXXU2ASG1
[ Read Codes via Server ] CSC version: A105FNOXM2ASG1
[ Read Codes via Server ] Phone version: A105FNXXU2ASG1
[ Read Codes via Server ] Product code: SM-A105FZKUXEF
[ Read Codes via Server ] CSC country code: France
[ Read Codes via Server ] CSC sales code: XEF
[ Read Codes via Server ] Phone SN: RF8M724AEMB
[ Read Codes via Server ] IMEI: 358793102109913
[ Read Codes via Server ] HW version: MP 0.100
[ Read Codes via Server ] RF cal date: 20190713
[ Read Codes via Server ] Chip name: EXYNOS7884B
[ Read Codes via Server ] Modem board: SHANNON327
[ Read Codes via Server ] Security patch: 2019-07-01
[ Read Codes via Server ] Boot Warranty bit: 0
[ Read Codes via Server ] SIM State: REGIONAL_LOCKED,ABSENT
[ Read Codes via Server ] Initialization zTool... OK
[ Read Codes via Server ] Running zTool, please wait... OK
[ Read Codes via Server ] Reading data from phone... OK
[ Read Codes via Server ] Searching server... OK
[ Read Codes via Server ] Checking server answer... modem not supported
[ Read Codes via Server ] Searching server... OK
[ Read Codes via Server ] Checking available files... not found compatible file
[ Read Codes via Server ] Try downgrade modem if possible
...