buen dia quiero liberar este celular, pero me esta marcando error, alguien podria ayudarme porfavor?
UNLOCK INSTRUCTIONS:
To read security codes using sever:
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. Press 'Unlock' button, select 'Unlock via server ...' algo,
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: Read Codes via Server [UPLOAD 2021]
Selected model: SM-G975F
Software version: 43.27
Checking Login and Password... OK
Balance: 25 crd.
You have 25 credit(s) left. This operation takes 8 credits. Attention! In case if phone asking MCK code, using this method will consume credits twice - first for MCK code and then for NCK. Continue? Yes
Waiting ADB device... OK
Reading phone info...
Model: SM-G975F
Android version: 12
PDA version: G975FXXUEGULB
CSC version: G975FOXMEGULB
Phone version: G975FXXUEGULB
Product code: SM-G975FZGLXEF
CSC country code: France
CSC sales code: XEF
Carrier ID: TCE
Phone SN: R28M32YK9GX
IMEI: 355218101098885
HW version: MP 0.700
RF cal date: 20190329
Chip name: EXYNOS9820
Modem board: SHANNON5000
Security patch: 2021-12-01
Boot Warranty bit: 0
SIM State: ABSENT
Initialization zTool Loader... OK
Running zTool, please wait... OK
Loading... OK
Initialization zTool... OK
Running zTool, please wait... OK
Reading lock state... error (0.2.-1)
Done with Samsung Tool PRO v.43.27 [SM-G975F,Read Codes via Server [UPLOAD 2021]]