sm-g920t write Cert problem


Welcome to Octoplus/Octopus Box Samsung software version 2.1.9
———————————————————————————–
To connect SM-G920T 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.
———————————————————————————–
Platform: Samsung Android
Selected port: COM1
Selected model: SM-G920T
Detected phone model: SM-G920T
Firmware compiled date: Mon Nov 30 10:58:17 KST 2015
PDA version: G920TUVS3DOJC
CSC version: G920TTMB3DOJC
SW version: G920TUVS3DOJC
Phone SN: 00000000000
Android version: 5.1.1 (LMY47X)
Checking Root:
Phone is Rooted.
Reading security backup, please wait…
Backup saved as C:\Program Files\Octoplus\Octoplus_Samsung
\BACKUP\Security-SM-G920T-Unknown09-02-2016_14-04-52-.asec
file
Wiping EFS…
Phone will restart now. Please don’t disconnect cable!
EFS wipe successfully
Searching for a phone. Please wait…
Detected phone model: SM-G920T
Firmware compiled date: Mon Nov 30 10:58:17 KST 2015
PDA version: G920TUVS3DOJC
CSC version: G920TTMB3DOJC
SW version: G920TUVS3DOJC
Phone SN: 00000000000
Android version: 5.1.1 (LMY47X)
Repairing security
Security repair successfully
———————————————————————————–
Platform: Samsung Android
Selected port: COM1
Selected model: SM-G920T
Selected file: D:\Downloads\cert-sm-g920t-357746060831994-
r58g31myxyb.cert
Detected phone model: SM-G920T
Firmware compiled date: Mon Nov 30 10:58:17 KST 2015
PDA version: G920TUVS3DOJC
CSC version: G920TTMB3DOJC
SW version: G920TUVS3DOJC
Phone SN: 00000000000
Android version: 5.1.1 (LMY47X)
Checking Root:
Phone is Rooted.
Reading security backup, please wait…
Backup saved as C:\Program Files\Octoplus\Octoplus_Samsung
\BACKUP\Security-SM-G920T-Unknown09-02-2016_14-08-45-.asec
file
Checking Certificate file…
Certificate file successfully checked
Deactivating MSL…
Executing exploit…
Executing exploit failed
Writing Certificate failed