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[Q] [ADVICE NEEDED] Developing a Free method to Network Unlock GT-I8150

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GrayedFox
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Cloud Search [Q] [ADVICE NEEDED] Developing a Free method to Network Unlock GT-I8150

Hello XDA!

A quick thanks to those reading/interested and I apologize in advance if this belongs in the development section. I don't have permission to post their yet (perhaps with good reason!). After much searching, I've come to the conclusion there is, as yet, no free method of network unlocking the Galaxy Wonder GT-I8150.

I want to find a method to do this, test it, and then automate the process through a shell script and/or batch file. If it doesn't cost too much, I'll even try and make an app for it. I have two reasons for doing this: I own this model of phone (surprise!) and more importantly, I want to expand my portfolio of little computer projects because I want a job in IT, and I want it now.

So this thread will serve as a knowledge base and brainstorming place. Please -anyone with ideas about how to go about this - let me know!

Here's what I'm trying at the moment: based on a similar method used to unlock the HTC Sensation (and some other models), I'm going through the mmcblk virtual partitions after copying them to a .txt file (filetype is binary, .txt is just so my girl's Mac opens them with a text editor). Using a grep command with a regular expression I'm pulling every single 8 character long string of only digits and exporting the result to another txt file.

I then search the mmcblkXpXX file for these 8 long strings one at a time, trying to read through what I can of the binary file for giveaways like "isim_auth_key" or what not.

I started yesterday so I'm only up to mmcblk0p06.

If you have a network unlocked version of this phone, I might end up needing certain files to compare, but I won't ask unless I think I'm onto something.

Finally, if anyone has found an NV_data.bin, bml5 file (or equivalent) for this model, tell me what it's called! Or where I need to extract it from.

Thanks in advance,
GrayedFox
 
GrayedFox
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Here are some links to information about unlocking various models of phones, using slightly different methods, for those interested. None apply directly to the gt-i8150 but I'm trying to tweak them just as a starting point.

http://forum.xda-developers.com/showthread.php?t=828534
http://forum.xda-developers.com/show...&postcount=334
http://forum.xda-developers.com/show....php?t=1693491
http://forum.xda-developers.com/show....php?t=1335548
http://forum.xda-developers.com/show....php?t=1064978

Here is some information from my mmcblk0p06 file... wrapped in spoilers.

 
PERSO: Failure to write: %sPerso Command can be handled only on a provisioned session or when Card is not present on slotmits/perso.txt
[first mention of a person.txt file I've found]

EFS file read successfully [this implies there IS an efs file somewhere…]
EFS: Creating ISN file
EFS store sequence number
EFS: ISN file not present

AMSS\products\7x30\core\securemsm\smetest\test_cry pto\src\sectestcipher.c


if anyone knows how to access that perso.txt file listed, please post the linux command here!
 
GrayedFox
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I'm afraid to say I'm running out of ideas here I've pulled every single mmcblk file on the phone - on stock rom and on cyanogenmod - looking for some sort of reference to a network unlock key but it's just not there. I even got Vodafone to send me my unlock key and have been searching the files for the exact key but it's no where on the phone.

I've even data dumped each of these files too - with an authenticated and nonauthenticated sim (network unlocked and network locked) sim and searched using a hex editor. I will have to move on to another project soon, but perhaps this will serve as an informing post for some: let it be known, there are absolutely NO references to an unencrypted network unlock key for this model of phone on stock rom.

Not in any of the mmcblkXpXX files (where most unlock keys are found for other phones) - and I've searched hard.

if anyone has further suggestions I'll remain subbed to this thread. Peace.
 
rodchiolas
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Probably they save a lock code, and the unclock is calculated with that lock code and IMEI.
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