Saludos, les traigo esta liberación en Z3X, la intente en Octoplus pero no salio, en Chimera solo suelta códigos por lo que no lo recomiendo.
1.- Flashear solo el modem de la COMBINATION_FAC_FA81_J260AUCU3ASH2
2.- Activar OEM y Depuración
3.- Marcar *#0808# y seleccionar DM+ACM+ADB
4.- Unlock TMB via Server Oct 2019, cuesta 5 créditos
5.- Una vez terminado el proceso debería tomar señal solo, de no ser así flashear el stock modem
LOG:
Operation: Unlock
Selected model: SM-J260A
Software version: 38.11
Checking Login and Password... OK
Ballance: 5 crd.
You have 5 credit(s) left. This operation takes 5 credits.Continue? Yes
Waiting ADB device... OK
Reading phone info...
Model: SM-J260A
Android version: 9
PDA version: J260AUCU3BSH6
CSC version: J260AATT3BSH6
Phone version: J260AUCS3ASH2
Product code: SM2J2xxxxxx
CSC country code: USA
CSC sales code: ATT
Phone SN: RFxxxxxx
IMEI: 35xxxxxxxxxxx
HW version: REV1.0
RF cal date: 20190528
Chip name: EXYNOS7570
Modem board: SHANNON305
Security patch: 2019-08-01
Boot Warranty bit: 0
SIM State: NETWORK_LOCKED
Rebooting phone... OK
Waiting ADB device... OK
Waiting for device to become ready... OK
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... OK
Searching Samsung diag port... detected COM24
Searching server... OK
Checking server answer... OK
Executing... OK
Reading data from phone... OK
Calculating... OK
Searching server... OK
Waiting for server answer... OK
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... OK
Rebooting phone... OK
Unlock done
1.- Flashear solo el modem de la COMBINATION_FAC_FA81_J260AUCU3ASH2
2.- Activar OEM y Depuración
3.- Marcar *#0808# y seleccionar DM+ACM+ADB
4.- Unlock TMB via Server Oct 2019, cuesta 5 créditos
5.- Una vez terminado el proceso debería tomar señal solo, de no ser así flashear el stock modem
LOG:
Operation: Unlock
Selected model: SM-J260A
Software version: 38.11
Checking Login and Password... OK
Ballance: 5 crd.
You have 5 credit(s) left. This operation takes 5 credits.Continue? Yes
Waiting ADB device... OK
Reading phone info...
Model: SM-J260A
Android version: 9
PDA version: J260AUCU3BSH6
CSC version: J260AATT3BSH6
Phone version: J260AUCS3ASH2
Product code: SM2J2xxxxxx
CSC country code: USA
CSC sales code: ATT
Phone SN: RFxxxxxx
IMEI: 35xxxxxxxxxxx
HW version: REV1.0
RF cal date: 20190528
Chip name: EXYNOS7570
Modem board: SHANNON305
Security patch: 2019-08-01
Boot Warranty bit: 0
SIM State: NETWORK_LOCKED
Rebooting phone... OK
Waiting ADB device... OK
Waiting for device to become ready... OK
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... OK
Searching Samsung diag port... detected COM24
Searching server... OK
Checking server answer... OK
Executing... OK
Reading data from phone... OK
Calculating... OK
Searching server... OK
Waiting for server answer... OK
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... OK
Rebooting phone... OK
Unlock done