SGH-i337m Null / Null IMEI - (WRITE IMEI FAIL) - efs problem? How to fix .

Hi, I have a problem with by samsung galaxy s4

Seems like I can't write imei or unlock.

I have tryed flashing stock firmware, hard reseting and all that.

However still not working.



Seems like there is a problem with writing NVM, this causing imei writing and unlocking to fail..



All help appreciated.











Welcome to Octoplus/Octopus Box Samsung software version 1.5.4

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To connect SGH-I337M 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: COM7

Selected model: SGH-I337M

Mode: Normal

Phone model: SGH-I337M

Firmware compiled date:

Firmware compiled time:

Firmware released date: -ù~

Firmware released time:

SW version:

-----------------------------------------------------------------------------------

Platform: Samsung Android

Selected port: COM7

Selected model: SGH-I337M

Mode: Normal

Phone model: SGH-I337M

Firmware compiled date:

Firmware compiled time:

Firmware released date: -ù~

Firmware released time:

SW version:

-----------------------------------------------------------------------------------

Platform: Samsung Android

Selected port: COM7

Selected model: SGH-I337M

Mode: Normal

Phone model: SGH-I337M

Firmware compiled date:

Firmware compiled time:

Firmware released date: -ù~

Firmware released time:

SW version:

To put SGH-I337M phone into download mode you have to perform the

following steps:

1. Reconnect phone battery.

2. Press and hold "Volume - " + "Home" + "Power" buttons.

3. When phone turns on press "Volume+" button.

Repairing EFS...

Searching for a phone. Please wait...

Phone found.

EFS Repair successfully

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Platform: Samsung Android

Selected port: COM7

Selected model: SGH-I337M

Mode: Normal

Phone model: SGH-I337M

Firmware compiled date:

Firmware compiled time:

Firmware released date: -ù~

Firmware released time:

SW version:

Creating NVM backup

Reading NVM done!

Writing NVM...

NVM writing completed successfully

Please, restart the phone to apply changes

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Platform: Samsung Android

Selected port: COM7

Selected model: SGH-I337M

Mode: Normal

Phone model: SGH-I337M

Firmware compiled date:

Firmware compiled time:

Firmware released date: -ù~

Firmware released time:

SW version:

Old IMEI: Unknown

New IMEI: 355794-05-275612-8

Creating NVM backup

Reading NVM done!

Backup saved as C:\Program Files (x86)\Octoplus\Octoplus_Samsung

\BACKUP\NVM-SGH-I337M-27-05-2014_01-35-34-.nvm file

Firmware compiled date: Fri May 2 21:24:14 KST 2014

PDA version: I337MVLUFNE1

CSC version: I337MOYAFNE2

SW version: Unknown

Phone IMEI: Unknown

Android version: 4.4.2 (KOT49H)

Cheking Root

Can't root Android version 4.4.2 and higer. Please Root the phone, or

flash phone using firmware with lower version of Android or rooted

firmware and repeat operation.

Can't get root privileges.

Phone is not Rooted

Write IMEI failed

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Platform: Samsung Android

Selected port: COM7

Selected model: SGH-I337M

Mode: Normal

Phone model: SGH-I337M

Firmware compiled date:

Firmware compiled time:

Firmware released date: -ù~

Firmware released time:

SW version:

-----------------------------------------------------------------------------------

Platform: Samsung Android

Selected port: COM7

Selected model: SGH-I337M

Mode: Normal

Phone model: SGH-I337M

Firmware compiled date:

Firmware compiled time:

Firmware released date: -ù~

Firmware released time:

SW version:

Old IMEI: Unknown

New IMEI: 355794-05-275612-8

Creating NVM backup

Reading NVM done!

Backup saved as C:\Program Files (x86)\Octoplus\Octoplus_Samsung

\BACKUP\NVM-SGH-I337M-27-05-2014_01-39-25-.nvm file

Firmware compiled date: Fri May 2 21:24:14 KST 2014

PDA version: I337MVLUFNE1

CSC version: I337MOYAFNE2

SW version: Unknown

Phone IMEI: Unknown

Android version: 4.4.2 (KOT49H)

Cheking Root

Phone is Rooted

Erasing old IMEI. It can take some time. Please wait...

Phone will restart now. Please don't disconnect cable!

Firmware compiled date:

Firmware compiled time:

Firmware released date: -ù~

Firmware released time:

SW version:

Found phone on COM7

Repairing NVM for SGH-I337M phone...

Write IMEI failed

-----------------------------------------------------------------------------------

Platform: Samsung Android

Selected port: COM7

Selected model: SGH-I337M

Mode: Normal

Phone model: SGH-I337M

Firmware compiled date:

Firmware compiled time:

Firmware released date: -ù~

Firmware released time:

SW version:

Operation was canceled

-----------------------------------------------------------------------------------

Platform: Samsung Android

Selected port: COM7

Selected model: SGH-I337M

Mode: Normal

Phone model: SGH-I337M

Firmware compiled date:

Firmware compiled time:

Firmware released date: -ù~

Firmware released time:

SW version:

Creating NVM backup

Reading NVM done!

Repairing NVM for SGH-I337M phone...

Writing NVM failed

NVM repair completed successfully

To finish the operation, please restart the phone via phone's menu

(don't disconnect the battery!)

-----------------------------------------------------------------------------------

Platform: Samsung Android

Selected port: COM7

Selected model: SGH-I337M

Mode: Normal

Phone model: SGH-I337M

Firmware compiled date:

Firmware compiled time:

Firmware released date: -ù~

Firmware released time:

SW version:

Unlocking phone...

Creating NVM backup

Reading NVM done!

Backup saved as C:\Program Files (x86)\Octoplus\Octoplus_Samsung

\BACKUP\NVM-SGH-I337M-27-05-2014_01-44-48-.nvm file

Firmware compiled date: Fri May 2 21:24:14 KST 2014

PDA version: I337MVLUFNE1

CSC version: I337MOYAFNE2

SW version: Unknown

Phone IMEI: Unknown

Android version: 4.4.2 (KOT49H)

Cheking Root

Phone is Rooted

Deactivating MSL...

MSL deactivate successfully

Phone will restart now. Please don't disconnect cable!

Firmware compiled date:

Firmware compiled time:

Firmware released date: -ù~

Firmware released time:

SW version:

Found phone on COM7

Repairing NVM for SGH-I337M phone...

Phone unlocking failed

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