hola, lo acabo de probar pero todavi me dice:
Try downgrade modem if possible
Done with Samsung Tool PRO v.34.11
el log:
Waiting ADB device... OK
Reading phone info...
Model: SM-J710MN
Android version: 7.0
PDA version: J710MNUBU4BRA1
CSC version: J710MNUUB4BRA1
Phone version: J710MNUBU4BRA1
Product code: SM-J710MZDNTTT
CSC country code: TRINIDAD AND TOBAGO
CSC sales code: TTT
Phone SN: RF8HC2K3DYP
IMEI: 35xxxxxxxxxxxxxxxx
HW version: MP 0.400
RF cal date: 20161224
Chip name: EXYNOS7870
Modem board: SHANNON315
Security patch: 2018-01-01
Boot Warranty bit: 1
SIM State: ABSENT
Checking Super user right... true
Reading NV data... OK
Checking NV data... OK
Reading data... OK
Detecting MODEM... OK
Reading MODEM... OK
Calculating... OK
Writing zTool... OK
Initialization zTool... OK
Running zTool, please wait... OK
Reading data... error (1)
Initialization zTool... error (0 1)
Try downgrade modem if possible
Done with Samsung Tool PRO v.34.11