[Q] Help unlocking S2 on UK network - Galaxy S II Q&A, Help & Troubleshooting

Hi everyone
Days ago i found a sgs2...the owner never asked for it so i kept it,but it's locked on a uk network (3.com or something like that... :/).I tried many ways to unlock the device,such as Galaxy S Unlock by HelroZ ,[root] Galaxy S2 SIM Unlock and GalaxSim unlock free,but still nothing .
Can anyone help me with this?

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I did a lot of research on this site and on the internet, but I could not find a way to unlock my Samsung Galaxy S2 SGH-i757m from Bell.
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[Q] Can't unlock carrier network on my GT9300, tried all methods please help

Hi,
I gave my S3 (stock rom french carrier bouygues) to my son and order a new sim to a different carrier than the original one
Sim arrived and my son, try to install it
The problem is that he answer sim 4 digit code a lot of time when network unlock (carrier unlock) code was asked
My S3 has more than 6 month so I asked my provider to give me the unlock code...
They did but it doesn't work.
Call again.. they told me that carrier unlock code input is limited and if the unlock code doesn't work I had to send it to Samsung to unlock it.
I spent my week end to try all possible unlock process exposed on this xda amazing forum and didn't succeed with anyone
: Voodoo with and without Patch and busibox, GalaxSim Unlock, menu *#197328640# ...
Result ;
Voodoo & GalaxSim can't read SIM unlock statut
Code *#7465625# doesn't work
*#197328640# doesn't have the Unlock Phone menu ("Menu doesn't exist)
All those process has been done with new installs, wipe each time (makes me going mad!!!)
Is any one has a solution.
Thanks for you help
nb : hope my english is enough good to make my problem understandable...
No, with the new efs format all the previous unlock methods don't work. You'll need a service centre.
fjacquemot said:
Hi,
I gave my S3 (stock rom french carrier bouygues) to my son and order a new sim to a different carrier than the original one
Sim arrived and my son, try to install it
The problem is that he answer sim 4 digit code a lot of time when network unlock (carrier unlock) code was asked
My S3 has more than 6 month so I asked my provider to give me the unlock code...
They did but it doesn't work.
Call again.. they told me that carrier unlock code input is limited and if the unlock code doesn't work I had to send it to Samsung to unlock it.
I spent my week end to try all possible unlock process exposed on this xda amazing forum and didn't succeed with anyone
: Voodoo with and without Patch and busibox, GalaxSim Unlock, menu *#197328640# ...
Result ;
Voodoo & GalaxSim can't read SIM unlock statut
Code *#7465625# doesn't work
*#197328640# doesn't have the Unlock Phone menu ("Menu doesn't exist)
All those process has been done with new installs, wipe each time (makes me going mad!!!)
Is any one has a solution.
Thanks for you help
nb : hope my english is enough good to make my problem understandable...
Click to expand...
Click to collapse
Try www.sim-unlock.net i often use their service and it has never failed me
Hi,
i have used unlockunit.com to unlock my samsung s3 mini that was locked on t-mobile,
and it worked like a charm...
zele35 said:
Hi,
i have used unlockunit.com to unlock my samsung s3 mini that was locked on t-mobile,
and it worked like a charm...
Click to expand...
Click to collapse
Is that with the new EFS format ??????
JJEgan said:
Is that with the new EFS format ??????
Click to expand...
Click to collapse
It was S3 MINI but also on xxemg4 baseband...
Might not be anything but did you upgrade to version 4.3 ?
If you did this might be the problem, I have an S4 that is locked to Bell and have tried multiple sites and Bell directly, all gave me the same unlock code.
When I tried to enter the code it kept saying unsuccessful
My guess is that along with the update Samsung locked some security feature for unlocking the phone
Right now my option is to sell the phone or wait until Samsung launches a new update
Sent from my Nexus 7 using xda app-developers app

Samsung Galaxy Alpha G850F United kingdom O2

Hey guys, i've tryed every sim unlock method i've seen, i also bought codes to unlock it, but none of them worked! I am running on android 4.4.4 , the phone is also rooted( I did it because i thought it would help to sim unlock it) Is there any way to unlock this phone for free? Im on o2 contract so i cant do **** :/
rokutukas said:
Hey guys, i've tryed every sim unlock method i've seen, i also bought codes to unlock it, but none of them worked! I am running on android 4.4.4 , the phone is also rooted( I did it because i thought it would help to sim unlock it) Is there any way to unlock this phone for free? Im on o2 contract so i cant do **** :/
Click to expand...
Click to collapse
Hello,
Sadly, there isnt a free way of doing sim unlocks for this certain phone (again, sadly), the only thing you could do is wait for a 2-year contract to expire to get it unlocked by them OR buy an unlock code from a popular simunlock site (be aware - there are many sites that scam) :/
Best regards,
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