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colocar un SIM otro operador y verificar que solucite codigo de red de no ser asi podrian intentar colocando otro firmware, al igual de no dar el codigo por modem no soportado el recomendado segun lo leido es el N975FXXU1ASHE
Pasos
1. Activar Opciones Desarrollador - Depuracion USB - *#0808# activar DM + ACM + ADB
2. Abrir Octopus colocar Usuario con el cual deben tener 100 creditos es lo que consume, luego seleccionar modelo N975F y proceder a Read Codes
NOTA: testeado con version N975FXXU1ASH5 y parche de seguridad Agosto 2019
Welcome to Octoplus Box Samsung software version 2.8.4
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Platform: Samsung Android
Selected port: COM1
Selected model: SM-N975F
Operation: Read Codes - Diag ADB - Server
Detected phone model: SM-N975F
Firmware compiled date: Fri Aug 9 16:17:48 KST 2019
PDA version: N975FXXU1ASH5
CSC version: N975FOWX1ASH5
SW version: N975FXXU1ASH5
Build number: QB13587367
Phone SN: RF8M93203HD
Android version: 9 (PPR1.180610.011)
Sales code: CGU
Country: Guatemala
HW platform: exynos5
HW Chip: unknown
HW Modem: SHANNON5000
Security patch level: 2019-08-01
Warranty Void: 0
SIM 1 status: network locked
Codename: d2sxx
Searching for USB diagnostic port...OK
Connecting...OK
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Connecting to server ..
Username: drphone7
Connect to server successfull.
Checking smart card...
Smart card successfully checked.
Checking operation...OK
Your balance: 120 credits.
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Initializing...OK
Security checking...OK
Reading data from phone...OK
Reading codes...OK
FREEZE: 1980932031019809
NET LOCK: 6115187586561151
SUB LOCK: 0000000000000000
SP LOCK: 0000000000000000
CP LOCK: 0000000000000000
SIM LOCK: 00000000
Performed by 2.8.4 Software version.
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Pasos
1. Activar Opciones Desarrollador - Depuracion USB - *#0808# activar DM + ACM + ADB
2. Abrir Octopus colocar Usuario con el cual deben tener 100 creditos es lo que consume, luego seleccionar modelo N975F y proceder a Read Codes
NOTA: testeado con version N975FXXU1ASH5 y parche de seguridad Agosto 2019
Welcome to Octoplus Box Samsung software version 2.8.4
-----------------------------------------------------------------------------------
Platform: Samsung Android
Selected port: COM1
Selected model: SM-N975F
Operation: Read Codes - Diag ADB - Server
Detected phone model: SM-N975F
Firmware compiled date: Fri Aug 9 16:17:48 KST 2019
PDA version: N975FXXU1ASH5
CSC version: N975FOWX1ASH5
SW version: N975FXXU1ASH5
Build number: QB13587367
Phone SN: RF8M93203HD
Android version: 9 (PPR1.180610.011)
Sales code: CGU
Country: Guatemala
HW platform: exynos5
HW Chip: unknown
HW Modem: SHANNON5000
Security patch level: 2019-08-01
Warranty Void: 0
SIM 1 status: network locked
Codename: d2sxx
Searching for USB diagnostic port...OK
Connecting...OK
-----------------------------------------------------------------------------------
Connecting to server ..
Username: drphone7
Connect to server successfull.
Checking smart card...
Smart card successfully checked.
Checking operation...OK
Your balance: 120 credits.
-----------------------------------------------------------------------------------
Initializing...OK
Security checking...OK
Reading data from phone...OK
Reading codes...OK
FREEZE: 1980932031019809
NET LOCK: 6115187586561151
SUB LOCK: 0000000000000000
SP LOCK: 0000000000000000
CP LOCK: 0000000000000000
SIM LOCK: 00000000
Performed by 2.8.4 Software version.