unlocking g3815
 

Welcome to Octoplus/Octopus Box Samsung software version 1.8.3
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To connect SM-G3815 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. Go to dial window.
11. Enter "*#9090#" number.
12. Set "Diag config" to "USB" value.
13. Restart phone.
14. Press "Read Info" in software.
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Platform: Samsung Android
Selected port: COM8
Selected model: SM-G3815
Please select service IMEI for this phone model
Write IMEI failed
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Platform: Samsung Android
Selected port: COM8
Selected model: SM-G3815
Proper android device not found. Make shure that "USB debug" option
on the device is turned on.
Writing security failed.
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Platform: Samsung Android
Selected port: COM8
Selected model: SM-G3815
Proper android device not found. Make shure that "USB debug" option
on the device is turned on.
Writing security failed.
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Platform: Samsung Android
Selected port: COM8
Selected model: SM-G3815
Please, press "OK" button on the phone to allow USB debugging..
Detected phone model: SM-G3815
Firmware compiled date: Wed Jul 30 16:24:56 KST 2014
PDA version: G3815XXUCNH1
CSC version: G3815VFGCNH2
SW version: G3815XXUCNH1
Phone IMEI: Unknown
Phone SN: R28F20H3ZGM
Android version: 4.4.2 (KOT49H)
Checking Root:
Phone is Rooted.
Writing security backup, please wait...
Phone will restart now. Please don't disconnect cable!
Security write successfully.
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Platform: Samsung Android
Selected port: COM8
Selected model: SM-G3815
Detected phone model: SM-G3815
Firmware compiled date: Wed Jul 30 16:24:56 KST 2014
PDA version: G3815XXUCNH1
CSC version: G3815VFGCNH2
SW version: G3815XXUCNH1
Phone IMEI: 358267052742239
Phone SN: R28F20H3ZGM
Android version: 4.4.2 (KOT49H)
Checking Root:
Phone is Rooted.
Reading security backup, please wait...
Backup saved as C:\Program Files (x86)\Octoplus\Octoplus_Samsung
\BACKUP\Security-SM-G3815-358267052742239-13-02-2015_20-46-
25-.asec file
Deactivating MSL...
MSL deactivate successfully
Phone will restart now. Please don't disconnect cable!
After phone being rebooted and powered on perform the following
steps:
1. Disconnect USB cable.
2. Wait for 1-2 minutes.
3. Connect phone via UART cable to the Box.
4. Note: phone screen must be active
Connecting to phone, please wait...
Found phone on COM8
Phone connected successfully
Unlocking phone. This can take some time. Please wait...
Phone is successfully unlocked
To finish the operation, please restart the phone via phone's menu
(don't disconnect the battery!)

after all phones imei is /01 tried to backup and unlock again but same problem imei goes /01
and also after unlock phone is factory reseted

now after last atempt to unlock now imei restored auto to service imei thats why ??????

Yes, as this was written in release news, IMEI will be set to service value: http://forum.gsmhosting.com/vbb/10467009-post64.html.

Currently only such solution is available.