Can't unlock network/sim ... - Galaxy S II Q&A, Help & Troubleshooting

Hi,
I bought an i9100 yesterday (on eBay), but it's branded and locked to Bouygues Telecom (France) (CSC : BOG)
So, I tried to get unlock code first by "Samsung Galaxy S Unlock Tool" : not found
I tried again by Galaxy S2 Sim Unlock : Not Found and same result by Samsung Unlock Code Generator by GPU on PC
So ... I tried to unlock with Galaxy S Unlock by Helroz : the nv_data.bin file get successfull patched, the phone doesn't display the network unlock code, BUT ... I can't register on my network
Emergency Calls Only ... and when I tried to register : "unable to register, try again later"
I restore the /efs and I tried the odia procedure : same result
Have you got an idea?
I also tried to change rom to original samsung rom, changed the CSC : nothing ...
I try to get the original invoice to get the official unlock code ... but why doesn't it work?
Thanks

Bump please
Tried with official unlock code from the carrier : "Emergency Calls Only" with my sim
The IMEI is not blacklisted because with original carrier sim it works ...

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samsing i5500 unlock problems please help me

hi i have tried to unlock this phone but it doesnt work
i tried the bml5 5 method
http://forum.xda-developers.com/showthread.php?t=1335548
i get the img file and have the code (2 codes) from hex edit
so i tried this on my phone *#7465625# to check lock status
but says not connected on network
its a vodafone phone and i tried the t-mobile simcard (have no vodafone sim)
on boot it says no sim card ths sim is placed on the right way
i supose this is normal if the phone is simlocked the card works in my other phone!
what did i do wrong? are there other ways to unlock my phone
it's dutch (europe)
please help me
solved
i tried another sim card and this worked

[Q] SGS3- Bad unlock- Not registered on network-

Some guy try to unlock my cousin´s SGS3 with Galaxsim unlock and fail.
Galaxsim unlock shows all in green and an OK message, but if I try with other companies SIMs I recieve a "Not Registered on network" error.
Works OK with the original company, even now.
How do I unlock a device that shows is already unlock?
It´s a JB 4.1.2 so I can´t use the *#197328640# method.
Serial number and IMEI are ok, doesn´t lock like an Ariza patch problem.
Faqs and Guides read them
Your sim unlock has not worked /

[Q] Galaxy S2 I9100G unlock

I have a problem with my i9100G
I bought the phone and it was network blocked
Details:
When i insert simcard i have a zone in the phone, but i can't call or texting, because instead operator name I have text like Emergency calls only, and then my phone boots up, it does not ask for any unlock code
Phone has 4.1.2 Stock firmware with root
What i did:
1. I tried Galaxy S2 SIM Unlock and unlock code was not found
2. I tried GalaxSim Unlock and it show me that my sim status is unlocked and i have not option to unlock it
3. I tried SamsungUnlocker v1.4, copied nvdata.bin file from my phone to my pc, but failed because of my videocard unsupport(lol...), when I choose second option and pathced my nvdata.bin, moved to my phone back, deleted nvdata.bin.md5(or something like this) and restarted, but no luck, all the same
4. I flashed other modem, but no luck again
If need some screenshots, i will upload later
So I have no more ideas, how to unlock this crappy phone
I hope you help me guys
P.S. Sorry for my bad english, I hope you understood what i meant

[Q] S3 I9300 (International) NETWORK UNLOCK PROBLEM

Hi,
I have a Samsung Galaxy S3 GT-I9300 locked to T-Mobile on Android 4.3 (baseband: I9300XXUGNA8) meaning it has changed the EFS parition to v2. The phone has been rooted as well. Is there any solution to remove the SIM lock? I have tried reflashing with older versions but the systems wouldn't boot up. I read that it can brick my phone completely. I tried using Vooodo unlocker and GalaxSim but error comes up, undefined. I tried EVERY SINGLE METHOD by using the codes: *#7465625# or *#197328640# but I either get Not registered on network message or some other error. In case of #0011# I can't pass the step 4 (when you type in 1 and the service should appear). The IMEI is fine, everything is fine as long as I'm on T-Mobile sim card (the signal works perfectly). I put any other foreign SIM and it doesn't ask me for the unlock code. Do you know what's the reason? I have bought an unlock code but I can't even use because any other method wouldn't work. Is there anything at all I could do? I'd really appreciate your help.
Regards,
- kali92uk
kali92uk said:
Hi,
I have a Samsung Galaxy S3 GT-I9300 locked to T-Mobile on Android 4.3 (baseband: I9300XXUGNA8) meaning it has changed the EFS parition to v2. The phone has been rooted as well. Is there any solution to remove the SIM lock? I have tried reflashing with older versions but the systems wouldn't boot up. I read that it can brick my phone completely. I tried using Vooodo unlocker and GalaxSim but error comes up, undefined. I tried EVERY SINGLE METHOD by using the codes: *#7465625# or *#197328640# but I either get Not registered on network message or some other error. In case of #0011# I can't pass the step 4 (when you type in 1 and the service should appear). The IMEI is fine, everything is fine as long as I'm on T-Mobile sim card (the signal works perfectly). I put any other foreign SIM and it doesn't ask me for the unlock code. Do you know what's the reason? I have bought an unlock code but I can't even use because any other method wouldn't work. Is there anything at all I could do? I'd really appreciate your help.
Regards,
- kali92uk
Click to expand...
Click to collapse
Try to flash an unbranded version, like this here: http://www.sammobile.com/firmwares/3/?download=28378
And than try it again with your code.
Tkkg1994 said:
Try to flash an unbranded version, like this here: http://www.sammobile.com/firmwares/3/?download=28378
And than try it again with your code.
Click to expand...
Click to collapse
This particular firmware fails to flash it through Odin. I assume it's designated for GT-I9305, not I9300 ... I have tried the unbranded versions for my model anyway and I usually end up in the bootloop. Any other solution? Thx
Factory reset after Odin flash.

Problems finding ORG S3 i9305 lte FIRMWARE.

Hi
I uploaded lineageOS and that was OK but when the user wanted to change SIM to another company she found that it was sim locked. She got the codes from EE but they don't work, properly because it is lineage now. So now I am searching for a firmware for a I9305XXUFOA1, no trace of it on the internet, what can I do ?. I found a I9305XXUFOC1 will that do the trick. I am guessing that if I put the ORG firmware back it will bee possible to unlock the phone.
Hope there is anyone out there who can help. Thanks.
Yes, you need to be running a stock dialler in order to enter the unlock code.
The OC1 should work.
Agreed, oc1 will do fine so long as it matches the carrier code. The last 3 digits are version numbers.
The dialer isn't what is needed to sim unlock the phone. You put the sim card in from another carrier and you'll get a prompt for a network code. When selecting the field you get a number pad to enter the code.
The carrier isn't contacted at any point as the code is the decryption key for the simlock in nvdata on the 'nand'.
Not chastising you, just passing on knowledge..
Ps, only stock firmware can interface with the unlock procedures of any device.
Beamed in by telepathy
A stock dialler is required to enter a network unlock code for a Samsung phone. A Samsung phone running a custom non-TW based ROM cannot be used to enter and validate a network unlock code in my experience.
Thanks a lot for your answers, I will go for the I9305XXUFOC1.

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