SM-J700t imei fail

Welcome to Octoplus/Octopus Box Samsung software version 2.3.7
To connect SM-J700T 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: COM3
Selected model: SM-J700T
Selected file: C:\Users\Segundo\Documents\samsung\cert-sm-j700f-
Detected phone model: SM-J700T
Firmware compiled date: Mon Apr 4 19:47:30 KST 2016
PDA version: J700TUVU1APD2
CSC version: J700TTMB1APD2
SW version: J700TUVU1APD2
Phone SN: R58H62V5RLD
Android version: 6.0.1 (MMB29K)
Sales code: TMB
Country: USA
HW platform: exynos5
HW Chip: exynos7580
HW Modem: SHANNON310
Codename: j7eltetmo
Checking Root:
Phone is Rooted.
Reading security backup, please wait…
Backup saved as C:\Program Files (x86)\Octoplus\Octoplus_Samsung
\BACKUP\Security-SM-J700T-Unknown01-10-2016_13-58-53-.asec file
Checking Certificate file…
Certificate file successfully checked
Deactivating MSL…
Executing exploit…
Executing exploit failed
Writing Certificate failed
Performed by 2.3.7 Software version.