Samsung Galaxy S2 SIM Unlock App Guide

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May 26, 2011

After releasing a successful method to Root Your Samsung Galaxy S2, Chainfire has released a new app that automatically unlock your SIM which allows you to use your Galaxy S2 with any network you choose. This combo (root guide and SIM unlock) gives you complete freedom of your new smartphone, but as usual do this at your own risk! We are not held responsible for any mishaps and this could possibly void your warranty.

Before attempting to use this app, it requires you to be rooted/superuser (Root Your Samsung Galaxy S2). Follow further instructions on the download link below.

The app is called ‘Galaxy S2 SIM Unlock’, download and install the app, after that you are now one click away from total control. The unlock codes are stored on the Galaxy S2, just like the former Galaxy S. Caution: Do not run the app twice from Android market, this may result in a freeze and would cause you not to be able to unlock your Galaxy S2. Just be patient and let the app work its magic!

Download here.

{ 25 comments… read them below or add one }

gaberabtic May 26, 2011 at 7:45 pm

Looks great thanks for the informative post


Kimbo June 17, 2011 at 4:42 am

Can anyone confirm that it works? I’ve got Vodafone Australia version of SGS2..


Panos June 19, 2011 at 3:14 am

It didn’t work for my Voda SG2 … says it couldn’t find the lock codes. Guess I have to wait a couple of days for Voda to issue the codes (they are a free unlock).


clay June 23, 2011 at 1:56 pm

Hi..has anyone received unlocking codes for S2
from Vodafone ? It was supposed to take 4 days and I
still haven’t got mine. i am OS stuck with a locked phone


Raymond June 22, 2011 at 5:16 am

Hi Panos
I thought Voda OZ charge a fee to unlock.


tushar June 23, 2011 at 12:04 pm

did this work for anyone on the australian vodafone network??


Christian June 24, 2011 at 3:35 am

On Voda Aust also and no joy here.. It just comes back with a message saying it can not be found. Strange really as you would not think that each network would have a different method of locking the phone.

In regards to getting the unlock code from voda they are taking up to 14 days to obtain it.. Apparently things are not improving in voda land.


Sly August 8, 2011 at 2:40 pm

Did not work on Bell networks canada.

Could not find unlocking code.


gem August 12, 2011 at 1:39 pm

didn’t work for O2 UK, Vodafone UK… it can’t find any codes, as freeze, as sim


gadget center September 8, 2011 at 11:30 am

Thanks for share, this is the easiest I have ever read to unlock Samsung Galaxy mobile phone. :D


jjib September 29, 2011 at 7:41 am

did not work for Vodafone UK, it can not find the code
:( +


flynness October 3, 2011 at 1:18 pm

would this work to switch an att phone over to sprint?


mmm October 6, 2011 at 9:26 pm

of course not… at&t is in gsm network; while sprint is in cdma… in other words, at&t uses a sim card and sprint does not….


suxxjery October 11, 2011 at 10:28 am

did not work for Kcell Kazakhstan


cheetah421 October 15, 2011 at 4:03 pm

Hello Sir.. you arrite Bruv ???

No it did not work for O2 UK… waisted my time bloody bugger.

yeahhhh !!!!


Tunacl October 27, 2011 at 11:39 pm

It didn’t work for Entel GS2 either, Chile


Cristián November 2, 2011 at 1:39 pm

+1. Have you can unlock it, Tunacl? Thanks.


kolo November 9, 2011 at 8:58 am

It is working. Without problems. Don’t forget rooting your phone before use this.
UK with three


Hector December 26, 2011 at 5:29 pm

no funciono para Telcel Mexico


Korsou March 1, 2012 at 12:04 pm


I live in Spain and have tried this software. It does not work. I get an error message that reads” Could not aqcuire SuperUser access ! Is your device rooted? ” The only option is to clock on OK but when doing so I go back to the aplications list installed on the phone.

What could I do?




Daniel Dorilas March 24, 2013 at 9:37 pm

In case you looking for cheap unlock code for S2 you can check this site very recommended


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