g935f unlock failed

[theunlocker]

Welcome to Octoplus/Octopus Box Samsung software version 2.3.8
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To connect SM-G928F phone you have to perform the following steps:
1. Disconnect USB cable from phone.
2. Go to Menu->Settings->More->About Device.
3.Tap on "Build number" 7 times to enable developer options.
4. Go to Menu->Settings->More->Developer options.
5. Turn on "USB Debugging" option.
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To connect SM-N910T phone you have to perform the following steps:
1. Disconnect USB cable from phone.
2. Go to Menu->Settings->More->About Device.
3.Tap on "Build number" 7 times to enable developer options.
4. Go to Menu->Settings->More->Developer options.
5. Turn on "USB Debugging" option.
6. Go to dial window.
7. Enter "*#0808#" number.
8. Select "DM+Modem+ADB".
9. Press Home button.
10. Restart phone.
11. Press "Read Info" in software.
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Platform: Samsung Android
Selected port: COM1
Selected model: SM-N910T
Reading info...
Mode: Normal
Firmware compiled date: Sep 25 2015
Firmware compiled time: 11:00:00
Firmware released date: Nov 9 2015
Firmware released time: 15:39:49
SW Version: MPSS.DI.3.0.c5-00436-M9625TAARANSZM-1
Please, press "OK" button on the phone to allow USB debugging..
Detected phone model: SM-N910T
Firmware compiled date: Mon Nov 9 22:04:39 KST 2015
PDA version: N910TUVU2DOK2
CSC version: N910TTMB2DOK2
SW version: N910TUVU2DOK2
Phone SN: RF8FC08XKEN
Android version: 5.1.1 (LMY47X)
Sales code: TMB
Country: USA
HW platform: apq8084
HW Chip: APQ8084
HW Modem: MDM9225M
Codename: trltetmo
Checking Root:
Phone is not Rooted.
Unlocking phone...
Phone unlocking failed
Performed by 2.3.8 Software version.
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To connect SM-G935F phone you have to perform the following steps:
1. Disconnect USB cable from phone.
2. Go to Menu->Settings->More->About Device.
3.Tap on "Build number" 7 times to enable developer options.
4. Go to Menu->Settings->More->Developer options.
5. Turn on "USB Debugging" option.
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Platform: Samsung Android
Selected port: COM1
Selected model: SM-G935F
Searching for a phone. Please wait...
Found phone on COM285
Reading info...
Detected phone model: SM-G935F
HW Version: SM-G935FZDAO2U
PDA version: G935FXXU1BPH6
CSC version: G935FTEF1BPH2
CP version: G935FXXU1BPH1
Phone SN: RF8H33HPPBY
Phone IMEI: 358809-07-783222-0
Unlocking phone...
error code 0
Phone unlocking failed
Performed by 2.3.8 Software version.
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Platform: Samsung Android
Selected port: COM285
Selected model: SM-G935F
Searching for a phone. Please wait...
Found phone on COM285
Reading info...
Detected phone model:
HW Version: SM-G935FZDAO2U
PDA version: G935FXXU1BPH6
CSC version: G935FTEF1BPH2
CP version: G935FXXU1BPH1
Phone SN: RF8H33HPPBY
Phone IMEI: 358809-07-783222-0
Unlocking phone...
error code 0
Phone unlocking failed
Performed by 2.3.8 Software version.
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Platform: Samsung Android
Selected port: COM285
Selected model: SM-G935F
Searching for a phone. Please wait...
Found phone on COM285
Reading info...
Detected phone model:
HW Version: SM-G935FZDAO2U
PDA version: G935FXXU1BPH6
CSC version: G935FTEF1BPH2
CP version: G935FXXU1BPH1
Phone SN: RF8H33HPPBY
Phone IMEI: 358809-07-783222-0
Unlocking phone...
error code 0
Phone unlocking failed
Performed by 2.3.8 Software version.

[Octopus box]

Hello.

Try to reflash the phone with older (by release date firmware), then repeat "Unlock" operation. Post here the result.