[Z3X]

Originally Posted by edwardv1

UNLOCK INSTRUCTIONS:
Phones locked by 'T-Mobile'(TMB, TMK), 'Verizon'(VZW)
are not supported for unlocking!

Unlocking using sever:
1. Power on the phone.
2. Tap 7 times on 'Build number' in 'Settings'-'About phone'-'Software information'
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. Press 'Unlock via server DIAG Oct 2019' button or press 'Unlock SPR via Server NEW' button,
write your login and password in window if it will appear.
(Login and password will be saved as default after first input and can be changed in settings.)

Operation: Unlock SPR via Server NEW
Selected model: SM-A205U
Software version: 43.22

Checking Login and Password... OK
Balance: 16 crd.
You have 16 credit(s) left. This operation takes 10 credits. Continue? Yes
Waiting ADB device... OK
Reading phone info...
Model: SM-A205U
Android version: 10
PDA version: A205USQSABUJ1
CSC version: A205UOYNABUJ1
Phone version: A205USQSABUJ1
Product code: SM2A205UZKASPR
CSC country code: USA
CSC sales code: SPR
Carrier ID: BST
Phone SN: R58M67VT4ZK
IMEI: 355370100150927
HW version: REV0.3
RF cal date: 20190628
Chip name: EXYNOS7904
Modem board: SHANNON327
Security patch: 2021-10-01
Boot Warranty bit: 0
SIM State: CARD_IO_ERROR
Waiting for device to become ready... OK
Reading IMEI... OK
Initialization zTool Loader... OK
Running zTool, please wait... OK
Loading... OK
Initialization zTool... OK
Running zTool, please wait... OK
Checking network lock status... UNKNOWN
Reading data from phone... error (1.0.0
Done with Samsung Tool PRO v.43.22

Hello. Currently this bit not supported for unlocking.