[Q] Unlock Galaxy S3 GT-I9300 4.3 - Galaxy S III Q&A, Help & Troubleshooting

Hi all.
I have the Samsung Galaxy S3 currently locked on the T-Mobile UK (Now EE) Network.
--------------------------------------------------------------------------------------------------------------------------------------------
Model Number : GT-I9300
Android Version : 4.3
Baseband Version : I9300BVUGNB2
Kernal Version : 3.0.31-2372379 [email protected] # 1 Mon Feb 17 22:21:57 KST 2014
Build Number : JSS15J.I9300XXUGNB5
--------------------------------------------------------------------------------------------------------------------------------------------
I'm looking to unlock the sim so I can use a different carrier.
This is what I've tried so far....
I have sucessfully Rooted my phone
I have SuperSU, CWM Rom Manager, CWM Recovery, BusyBox Free.
I have tried GalaxSim Unlock and it identifies my IMEI Number and reports that Network Lock, Subset Network Lock, SP Lock, CP Lock & Data Lock are all unlocked & States that "Your Device Is Unlocked", however I'm still locked to T-Mobile.
After reading here on xda I believe this is because of the EFS v2 ???
Is there any way to SIM unlock this at the moment without going through T-Mobile?
Is there another way round this?
Can I down grade EFS? (I don't have any backups)
Happy to use a custom ROM or what ever is needed in order to do this.
Thanks for your help
Kind Regards,
Lee

337Manni said:
Hi all.
I have the Samsung Galaxy S3 currently locked on the T-Mobile UK (Now EE) Network.
--------------------------------------------------------------------------------------------------------------------------------------------
Model Number : GT-I9300
Android Version : 4.3
Baseband Version : I9300BVUGNB2
Kernal Version : 3.0.31-2372379 [email protected] # 1 Mon Feb 17 22:21:57 KST 2014
Build Number : JSS15J.I9300XXUGNB5
--------------------------------------------------------------------------------------------------------------------------------------------
I'm looking to unlock the sim so I can use a different carrier.
This is what I've tried so far....
I have sucessfully Rooted my phone
I have SuperSU, CWM Rom Manager, CWM Recovery, BusyBox Free.
I have tried GalaxSim Unlock and it identifies my IMEI Number and reports that Network Lock, Subset Network Lock, SP Lock, CP Lock & Data Lock are all unlocked & States that "Your Device Is Unlocked", however I'm still locked to T-Mobile.
After reading here on xda I believe this is because of the EFS v2 ???
Is there any way to SIM unlock this at the moment without going through T-Mobile?
Is there another way round this?
Can I down grade EFS? (I don't have any backups)
Happy to use a custom ROM or what ever is needed in order to do this.
Thanks for your help
Kind Regards,
Lee
Click to expand...
Click to collapse
Not possible I'm afraid only paid code will work on 4.3 and there is no such thing as downgrade efs.But whatever you do I would recommend backing up your efs asap.

tallman43 said:
Not possible I'm afraid only paid code will work on 4.3 and there is no such thing as downgrade efs.But whatever you do I would recommend backing up your efs asap.
Click to expand...
Click to collapse
Thanks for your reply.
Whats the best way to backup my EFS? Have you a link to a how too?
If I purchase the unlock code from T-Mobile / EE and use it to unlock my carrier if I then decide to go and install a custom ROM / mess with my phone, would this affect the sim unlock? I just want to make sure that once it's unlocked thats it, forever...
Thanks again!

Ha I've just seen point 3 in your sig about EFS.

Software
I unlocked my device in these steps:
1. Download a firmware version from Sammobile of your country
2. Search a version from your country with no Branding
3. Dowload it and Odini
4. Flash through Download Mode
Worked for me..

Tkkg1994 said:
I unlocked my device in these steps:
1. Download a firmware version from Sammobile of your country
2. Search a version from your country with no Branding
3. Dowload it and Odini
4. Flash through Download Mode
Worked for me..
Click to expand...
Click to collapse
Mmm.. If it was that easy everybody would be doing it perhaps you where not fully sim locked also as far as I know 4.3 can't be unlocked even Galaxy sim unlock dev say's if you are on efsv2 that it is not possible to unlock at the moment without code.

Don't know
tallman43 said:
Mmm.. If it was that easy everybody would be doing it perhaps you where not fully sim locked also as far as I know 4.3 can't be unlocked even Galaxy sim unlock dev say's if you are on efsv2 that it is not possible to unlock at the moment without code.
Click to expand...
Click to collapse
I meant my phone was locked. And after some custom ROMs and rooting, go back to stock and so on, my phone wasn't locked anymore. Maybe I've done something I didn't know anymore

So for unlocking where is a reputable place to get a code? (can I just take it to a market stall?)
I have a i9300 locked to UK Orange and I need to get it unlocked.
Responses from seasoned forum members especially appreciated!
Info:
Android version 4.3
Baseband: I9300BVUGNB2
Kernel Version: 3.0.31-2372379
[email protected]#1
Mon Feb 17 22:21:57 KST 2014
Build Number: JSS15J.19300XXUGNB5

I've purchased the unlock code form T-Mobile. Currently waiting on there upto 20 days.....
Still wish I didn't have to do this as it's just a bullying tactic to try to force you to renew a contract or go PAYG with them. I completely disagree with this type of mentality of a company.
Thanks for your help everyone.

Unlock Orange UK S3 i9300
wetfoot said:
So for unlocking where is a reputable place to get a code? (can I just take it to a market stall?)
I have a i9300 locked to UK Orange and I need to get it unlocked.
Responses from seasoned forum members especially appreciated!
Info:
Android version 4.3
Baseband: I9300BVUGNB2
Kernel Version: 3.0.31-2372379
[email protected]#1
Mon Feb 17 22:21:57 KST 2014
Build Number: JSS15J.19300XXUGNB5
Click to expand...
Click to collapse
Wetfoot
I have the same issue. Built a S3 i9300 out of bits n bobs and bought just a motherboard on line, which was/is locked to Orange UK, just like you want to unlock it and am having no joy. Nothing works. Installed a stock orange rom, that didn't work either.
Did you get this sorted and how?

337Manni said:
Thanks for your reply.
Whats the best way to backup my EFS? Have you a link to a how too?
If I purchase the unlock code from T-Mobile / EE and use it to unlock my carrier if I then decide to go and install a custom ROM / mess with my phone, would this affect the sim unlock? I just want to make sure that once it's unlocked thats it, forever...
Thanks again!
Click to expand...
Click to collapse

Related

[Q] Should I update my phone...?

Hi,
Bought a Samsung Galaxy SII (SGH S959G) and flashed it, unlocked it (before January 26th (which was legal back then(and I am using Ultra Mobile as my carrier and rooted it.
The thing is that now it's an SGH S959G (Straight Talk phone) that has an OTA update and when the download starts it says it's downloading the new version for this phone, but, when I browse to the "About Phone" section of the settings, it says that the Model Number is Samsung SGH - I777 with a baseband version I777UCKH7, Kernel version 2.6.35.7, Build number GINGERBREAD.UCKH7, AND, when I power on the phone, the splash screen shows that it's an GT - I9100.
Today I connected my phone to Kies and (obviously) showed that an update was available for I777 (Android Version: 4.1.2 / Baseband Version: I777UCMD8)
My hands are itching to upgrade my phone because when I bought it and rooted it I had JellyBean in there, and now I have Gingerbread, but:
Should I upgrade my phone?
I want to keep root on my phone, will it be possible?
Will my phone still be flashed?
Will I loose the unlocking that I did to the phone?, I really just don't like the service at Straight Talk, besides, Ultra Mobile is much cheaper.
Now, one more thing, this phone was not activated on any network when I purchased it (got it at craig list (for those who know what that is)), checked the IMEI number and was not reported either stolen or lost, but couldn't register it with Straight Talk since I didn't have the original purchase ticket from WalMart, so I had to change the IMEI number on it too ... will I loose this if I update it?
Thanks, in advanced, for your help, sorry it's such a long explanation, but just wanted to let you know the whole story so you could get all the facts you need for helping me, and if you need more, please just let me know.
Again, thanks.
Response?
No response yet??
abidcastaneda said:
Hi,
Bought a Samsung Galaxy SII (SGH S959G) and flashed it, unlocked it (before January 26th (which was legal back then(and I am using Ultra Mobile as my carrier and rooted it.
The thing is that now it's an SGH S959G (Straight Talk phone) that has an OTA update and when the download starts it says it's downloading the new version for this phone, but, when I browse to the "About Phone" section of the settings, it says that the Model Number is Samsung SGH - I777 with a baseband version I777UCKH7, Kernel version 2.6.35.7, Build number GINGERBREAD.UCKH7, AND, when I power on the phone, the splash screen shows that it's an GT - I9100.
Today I connected my phone to Kies and (obviously) showed that an update was available for I777 (Android Version: 4.1.2 / Baseband Version: I777UCMD8)
My hands are itching to upgrade my phone because when I bought it and rooted it I had JellyBean in there, and now I have Gingerbread, but:
Should I upgrade my phone?
I want to keep root on my phone, will it be possible?
Will my phone still be flashed?
Will I loose the unlocking that I did to the phone?, I really just don't like the service at Straight Talk, besides, Ultra Mobile is much cheaper.
Now, one more thing, this phone was not activated on any network when I purchased it (got it at craig list (for those who know what that is)), checked the IMEI number and was not reported either stolen or lost, but couldn't register it with Straight Talk since I didn't have the original purchase ticket from WalMart, so I had to change the IMEI number on it too ... will I loose this if I update it?
Thanks, in advanced, for your help, sorry it's such a long explanation, but just wanted to let you know the whole story so you could get all the facts you need for helping me, and if you need more, please just let me know.
Again, thanks.
Click to expand...
Click to collapse
For loosing SIM unlock. ...I need to know if you did your unlock by unlock code or you did some other way
.....updating to 4.1.2 ....look in I777 thread for cooked Rom that is already rooted deodexed ...debloated....and TW rom you looking
If you did unlock by code that is permanent. ..other ways that you need post
For showing update on kies...
If you did modified IMIE that is going to be problem. ...be cause your motherboard will still have factory IMIE. ...and from your statement I'm assuming you modified IMIE from some I777 device...
So your best thing is to use. ..cooked rom...
For statement that SGH-S959G is jb stock. ...no it is not...
Here is the link for everything you wanna know
http://forum.xda-developers.com/showthread.php?p=33902328
And if there is anything I can do to return your phone to right working order. ...PM me
Here is the link on cooked rom
http://forum.xda-developers.com/showthread.php?p=42522825
And for end I'm little out of what you exactly mean by imei. ....
Are you pointing to APN settings or something else
Success is never final
Failure is fatal
samprocat said:
For loosing SIM unlock. ...I need to know if you did your unlock by unlock code or you did some other way
.....updating to 4.1.2 ....look in I777 thread for cooked Rom that is already rooted deodexed ...debloated....and TW rom you looking
If you did unlock by code that is permanent. ..other ways that you need post
For showing update on kies...
If you did modified IMIE that is going to be problem. ...be cause your motherboard will still have factory IMIE. ...and from your statement I'm assuming you modified IMIE from some I777 device...
So your best thing is to use. ..cooked rom...
For statement that SGH-S959G is jb stock. ...no it is not...
Here is the link for everything you wanna know
http://forum.xda-developers.com/showthread.php?p=33902328
And if there is anything I can do to return your phone to right working order. ...PM me
Here is the link on cooked rom
http://forum.xda-developers.com/showthread.php?p=42522825
And for end I'm little out of what you exactly mean by imei. ....
Are you pointing to APN settings or something else
Success is never final
Failure is fatal
Click to expand...
Click to collapse
Thanks samprocat, to unlock the phone, first, I downloaded an app from gogle play store that actually stated that it unlocked the phone for me, then I sent the phone to someone to change the IMEI number (I looked my IMEI up on the IMEI black list on the internet but it wasn't black listed but a message kept popping up stating that the phone's IMEI was not registered) so I don't know how they did the IMEI change, except, that they did change the IMEI while the phone had the sgh s959g image on, but could not put on the modems, that's why they used the I777 image.
I know that if the phone gets back it's original IMEI, it's not going to work anymore, plus, I don't know if it's going to stay unlocked either. To tell you the truth, I don't want it to go back to it's original state. If there's a chance for me to loose the phone's unlocked feature, or get back my original IMEI number, then, I'll just stay with the phone this way.

Question - ATT i777 LOCKED

Hello guys, so i've this i777 from a friend who bought it on amazon. it cames locked . it doesn't read ANY SIM . (dunno if at&T ones) because im not from the US . So i've read in the forums that teh galaxy s unlock works good to unlock it with 2.3 version. I read 4.1 is out there and im not sure if can i have my phone unlocked with 4.1 (without buying any codes on internet) ..
So galaxy s unlock works on i777 with 4.1 stock roms?
i've read that there is another unlocking method messing around with the nv_bindata have anyone unlocket this way?
leboreiro said:
Hello guys, so i've this i777 from a friend who bought it on amazon. it cames locked . it doesn't read ANY SIM . (dunno if at&T ones) because im not from the US . So i've read in the forums that teh galaxy s unlock works good to unlock it with 2.3 version. I read 4.1 is out there and im not sure if can i have my phone unlocked with 4.1 (without buying any codes on internet) ..
So galaxy s unlock works on i777 with 4.1 stock roms?
i've read that there is another unlocking method messing around with the nv_bindata have anyone unlocket this way?
Click to expand...
Click to collapse
Hi guy, you can search helroz or Galaxy S Unlock (required rooted and BusyBox associated) on the Google plays.
Another option is using the GalaxSimUnlock (thanks spocky12 for the free version)
thankyou
Untitled87 said:
Hi guy, you can search helroz or Galaxy S Unlock (required rooted and BusyBox associated) on the Google plays.
Another option is using the GalaxSimUnlock (thanks spocky12 for the free version)
Click to expand...
Click to collapse
thankyou u saved my phone it works perfect
Thank you OP and Untitled87!
Also thank you "creepyncrawly" for the link to get here from another post. Able to unlock att i777(running on JB 4.3 that had been banned from xda) to use tmobil.
Have you tried AT&T
I just finished a frustrating series of attempts to use a number of unlocking programs (Galaxy S Unlock, SGS Unlock Tool, GalaxySim Unlock) after rooting with Framaroot-1.4.2, but none of them worked. Then I called AT&T to see if they would provide the code and sure, no problem. After waiting about 5 min to get to a human, I had no trouble at all. May I suggest to one and all that it might be best to try this first as it could save a lot of trouble. Then root it and flash a ROM, if desired - I will to get rid of the AT&T intro and programs I still can't uninstall with root.
FYI - My phone:
Service version : Android Version : 4.1.2 / Baseband Version : I777UCMD8
Device model: SGH-I777ZKAATT
I had previously updated to Jelly Bean from ICS (4.0.3, I think) with Kies.
Untitled87 said:
Hi guy, you can search helroz or Galaxy S Unlock (required rooted and BusyBox associated) on the Google plays.
Another option is using the GalaxSimUnlock (thanks spocky12 for the free version)
Click to expand...
Click to collapse
is this the free version??
NazXs said:
is this the free version??
Click to expand...
Click to collapse
No, but...
http://forum.xda-developers.com/showpost.php?p=46101162&postcount=2

[Q] Help with unlocking Galaxy S3 and installing the stock rom

Hi Everyone
Sorry if this is a noobie question. Can anyone help or give advice on how to downgrade and unlock Samsung Galaxy S3 on the UK Orange. What I want to do is downgrade then unlock and if possible after that install the Samsung custom rom and remove all the Orange branding and apps. Ive tried unlocking the phone via IMEI on websites and ebay but haven't had any luck so far have been told they are unable to do it.
Here are all details of the phone I can find and are listed below
Its currently on Android 4.3
AP I9300XXUGML2
CP I9300BVUGML1
CSC I9300ORAGML2
Thanks
sonic101 said:
Hi Everyone
Sorry if this is a noobie question. Can anyone help or give advice on how to downgrade and unlock Samsung Galaxy S3 on the UK Orange. What I want to do is downgrade then unlock and if possible after that install the Samsung custom rom and remove all the Orange branding and apps. Ive tried unlocking the phone via IMEI on websites and ebay but haven't had any luck so far have been told they are unable to do it.
Here are all details of the phone I can find and are listed below
Mod Edit
Its currently on Android 4.3
AP I9300XXUGML2
CP I9300BVUGML1
CSC I9300ORAGML2
Thanks
Click to expand...
Click to collapse
Dont give out your imei number like that.its not safe to do so.but youre in the uk just pop into an internet cafe or phonr shop to unlock it not that expensive
Sent from my SM-G900F using Tapatalk
Thanks for the info, ive taken off the IMEI.

Samsung Galaxy Note 3 (Sprint) N900P - Unlock

Hello,
please is possible unlock any way my Samsung Galaxy Note 3 (Sprint) N900P bought on ebay in U.S.?
I am living in the Europe (Czech republic). I would like use it.
I have Android 5.0 version. (Rooted)
Baseband version: N900PVPUBMI3
Kernel version: 3.4.0-4453878
Is possible unlock it when I downgrade ROM or modem? Please an advice.
Thank you very much for your help.
koplcor said:
Hello,
please is possible unlock any way my Samsung Galaxy Note 3 (Sprint) N900P bought on ebay in U.S.?
I am living in the Europe (Czech republic). I would like use it.
I have Android 5.0 version. (Rooted)
Baseband version: N900PVPUBMI3
Kernel version: 3.4.0-4453878
Is possible unlock it when I downgrade ROM or modem? Please an advice.
Thank you very much for your help.
Click to expand...
Click to collapse
Have you tried this http://galaxynote3root.com/galaxy-n...lock-simdisable-region-lock-on-galaxy-note-3/
In the video it says for AT&T devices, but if you read the comments below someone got it to work on there SM-N900P ( sprint ) phone be careful . . .
Thank you jimzweb1 for your fast reply! Yes, I tried it, both version of Region Lock Away (v1.1 and v1.3). No success...
RegionLock Away
When I used RegionLock Away, it wrote:
The result of updating the modem was unexpected - can´t be sure if the path worked or not! Rebooting and trying again sometimes fixes the problem.
(It did not work after rebooting).
Try this
http://forum.gsmhosting.com/vbb/f777/ssu-unlock-any-samsung-sprint-free-1876915/
Thank you, I tried it already.
No success with app SSU.apk. (Application start and exit during one sec.)
Possible reason I have Android 5.0.

Can I still unlock my bootloader without the OEM Unlock option?

Hello, recently I tried to unlock my devices bootloader. I knew the first step was to check the OEM Unlock option,unfortunately the option did not show. I have tried every method people have given me to make the option show, but none of which actually worked. Is there a way I can unlock the bootloader without checking the option?
Device: Samsung Galaxy A10E (Model SM-A102U)
Serial number if it helps: RF8M801FZ4H
One UI: 1.1
Android Version: 9
Build Number: PPR1-180610.011.A102USQS5ATA7
Knox Version: Knox 3.3, Knox API Level 28, TIMA 4.1.0
Tell me if there is any more info about the phone you may need. And thanks in advance for the help!
i am sorry you wasted however much time you wasted trying to unlock it because the A102U is nt unlockable. A quick search wouldve told you that from the get go.
Just like most snapdragons, exynos are also locked down on the usa variants.
What about the answer of the comment in the forum section ( forum.xda-developers.com/galaxy-tab-a/how-to/guide-comprehensive-t510-root-guide-t3929671 )
Where it says : ( You can find them on sammobile or samfrew ).
I did download the odin3 from sammobile and the Firmware
TMK- A102USQS5ATA7-20200225100423.zip from samfrew ,
and because i'm new in this i'm affraid to do this in my Samsung Galaxy A10e SM102U with Metro PCS in the USA , I will like to unlock the oem ,
but I don't know if that will unroot or root my cellphone , and i don't know if that firmware is a Custom rom or what?
And i will like to keep my cell protected , any advice is welcome , especially from experts like you guys !!
Please comment
idontknowwhatimdoing33 said:
What about the answer of the comment in the forum section ( forum.xda-developers.com/galaxy-tab-a/how-to/guide-comprehensive-t510-root-guide-t3929671 )
where it says : ( You can find them on sammobile or samfrew ).
I did download the odin3 from sammobile and the Firmware TMK-A102USQS5ATA7-20200225100423.zip from samfrew ,
and because i'm new in this i'm affraid to do this in my Samsung Galaxy A10e SM102U , I will like to unlock the oem ,
but I don't know if that will unroot or root my cellphone , and i don't know if that firmware is a Custom rom or what?
And i will like to keep my cell protected , any advice is welcome , especially from experts like you guys !!
Please comment
Click to expand...
Click to collapse
The only thing you downloaded was the stock ROM, it is not rooted. You simply cannot unlock OEM on this phone no matter how many times you install stock ROM
ShaDisNX255 said:
The only thing you downloaded was the stock ROM, it is not rooted. You simply cannot unlock OEM on this phone no matter how many times you install stock ROM
Click to expand...
Click to collapse
Thanks for the information , about the " Stock ROM " , just in time before I do a mistake !!
JulietGrayPhone said:
Here's some more information about 'Samsung Galaxy a10e''sm-a102u'.
Click to expand...
Click to collapse
doesnt matter since it cannot be oem unlocked..
also flashing stock firmware wont hurt the phone..
also you cant "unroot" if you dont even have root

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