Which carrier branded firmware? - Android Q&A, Help & Troubleshooting

Hi people. I tried to find an introduction section but couldn't so I will jump straight to the question.
I live in the UK and purchased a Samsung Galaxy S II via the website buymobilephones.net It is on a 24 month contract with three mobile. I would like to root the phone but upon lookign at this thread I'm stuck on what firmware to use? Here's the thread http://forum.xda-developers.com/showthread.php?t=1113928
Any ideas what firmware I should be using? Thanks for the help. As said I did try to find somehwere on here to introduce myself as a new member but can't see mto find it. This is my first ever android phone after coming from webos and so far I love it. Hopefully as my skills with android improve in the future I can help contribute to this site and help others, thanks

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[Q] Galaxy S2 ATT, which CF-Root?

Good Day!
I just picked up a shiney new Galaxy S II from ATT (from my iPhone 4). I've had various Android tablets, and rooted many droid phones (including the Vibrant I had a week).
However I'm unsure which CF-root to use with this baby, and I don't want to brick it.
Under Settings, About Phone this is what is listed.
Android Version
2.3.4
Baseband
I777UCKH7
Kernel Version
2.6.35.7
My understanding is the CF-Root I need would use KH7, but I haven't found one (at least in the CF-Root thread, but its 200+ pages long!)
Any information would rock my world and save quite a bit of time for me!
Thank you!
Hey there
XDA created a new forum for AT&T SGS2 located here http://forum.xda-developers.com/forumdisplay.php?f=1301 I just did a quick check and see a few rooting threads under development you might want to check out. This forum is for the international galaxy s ii so you most likely won't find the kernel you're looking for to root here since its technically a different model with the soft key buttons and all. I believe Codeworkx created a rooting solution over there
Hope this helps
Thank you, not 5 minutes after I posted this did I find the link to the other forums! rock on xda!
I just got it... can u send me the link?
I have the same problem, do you think you can send me the link to download it?? thanks!
Cf-Root fot ATT SGS2
I have the same problem, do you think you can send me the link to download it?? thanks!
Hi guys...I am a rookie in this items and fell the same problem to install ROMs or Kernel due to our SG2 from AT&T are coming with the 3er edition of the Recovery software that don't permit to open a zip files unsigned we have to downgrade to a 2nd edition using a Cf -Root and have a lot of files.
jcomana said:
I have the same problem, do you think you can send me the link to download it?? thanks!
Hi guys...I am a rookie in this items and fell the same problem to install ROMs or Kernel due to our SG2 from AT&T are coming with the 3er edition of the Recovery software that don't permit to open a zip files unsigned we have to downgrade to a 2nd edition using a Cf -Root and have a lot of files.
Click to expand...
Click to collapse
Dude, this is a 6 month old thread, and the ATT Galaxy s2 forum is linked in post 2 above.

[Q] Does Phone Need To Be Unlocked To Flash Firmware?

Hello.
I've looked and looked and looked but cannot find a definitive answer to my question. My sincerest apologies to those who think it's another stupid question.
Does my Galaxy Ace on Orange need to be unlocked before I can flash new firmware? I have not done enough posts yet to mention websites so I hope you'll understand the following www sammobile com - dots in appropriate places!! - stated that I either get the phone unlocked or use provider firmware. I am currently on S5380BVKQA but I hear good things about both KPH and KS2.
I am a noob, but a determined noob. I will not let a minor hindrance defeat me before I've even begun my Android experience.
Cheers

First Samsung, first Android - Please help before buying!

Ooooookay folks, let's see what I've got here:
- broken HD2, before I was on the Touch Diamond
- will be in the US within the next three months
- afterwards back in Germany
So I am new to Android and Samsung and have a few questions.
Since there are different versions of the S2, I looked at the 9100 version. Is that the best one?
Should I get it next year still in the US or in Germany? Where do I find the best price within the US?
Is there a good source for battery life on the S2?
On the HD2 flashing a custom ROM was fairly easy, how about the S2? Is this what's called rooting?
Thanks in advance for your help, I feel a bit overwhelmed by all the new information right now...
Guide
http://forum.xda-developers.com/showthread.php?t=1125282
jje
Better to go with the international version ?
International version? Gosh, there are so many different versions...
Am I even in the right subforum for the phone?
JJEgan, thanks for the link!

[Q] Inherited a I9100 with custom firmware - How do I go back to stock?

Hello,
I inherited a GT-I9100 that was on contract with Three UK from my brother.
He told me that he put a different firmware on it so he can use it with another SIM.
I was using the phone for a while and it seems very unstable. It often freezes, battery drains, etc.
Reading around the forum I think the best course of action for me would be to go back to stock firmware and get an unlock code. I don't get anything out of the "jailbreak" anyway.
Alternatively I would like to put on the stock firmware for Three IRELAND (I live in Ireland now) so I can the phone with Pay as you go Ireland.
I was looking around how to do this and I'm quite okay with doing techy stuff by instruction, but I can't really find a guide that explains it well and I also have problems locating the correct firmware and was hoping to get some help.
Thanks in advance!
Get the firmware from Samfirmware, how-to = stickied thread 5th from the top in Q&A.
Go to sammobile and fill in the boxes which will tell you which one you need.Get odin setup on your pc,then look at some guides about using odin etc.
Hello,
Thanks for the tip.
I've already tried that but I can't seem to find the Firmware for Three UK or Three Ireland.
Is there another source?
Thanks!
Three Ireland/UK firmware available @ Samfirmware.com as per my PP (I'm looking at a list of them as I type); you'll need to join in order to download it. Firmwares are available on other sites, but most of the links point back to Samfirmware's hosting provider. Download the rom you need, flash following the instructions in the thread I referred you to.
The firmware you need is on sammobile...I just looked.....
As was mentioned by mistahbungle, you need to flash it via Odin....you'll find the guide where he said it was.....
Good luck.
Sent from my GT-I9100 using xda app-developers app
Thank you guys.
The main reason I posted here was that I couldn't locate the correct firmware.
Well, that's all on me - I searched for GT-I9100 Galaxy S instead of GT-I9100 Galaxy SII.
Mystery solved.
Thanks again! I really appreciate it.
Might be abit late but.. I would actually recommend this firmware over the Three firmware as it has far less bloatware; I9100XWLSW_I9100CPWLS4_CPW

How do make Galaxy S3 usable? (2019, Latest ROM, rooting, etc - new user)

Hello, this is my first time posting on here.
I have an old Galaxy S3, USA version, T-mobile, SGH-T999. I was wondering how to update it to make it usable? From what I've read online the best way is to root and put in a custom ROM. The problem I'm having is finding the latest ROMs. Is there any way to find the latest official ROMs for the phone? And if I download an unofficial one, how can I know which will run well on my phone? Do I just simply get the latest unofficial ROM?
Lastly, if any one has any step by step guide or video on how to root and install ROMs it would be much appreciated as I've never done something like this before. Sorry if this has been posted before, I'm new to this site and have been having trouble navigating and searching old posts.
Thank you.
Samsung Galaxy TAB S3
hasnain hasnain hasnain said:
Hello, this is my first time posting on here.
I have an old Galaxy S3, USA version, T-mobile, SGH-T999. I was wondering how to update it to make it usable? From what I've read online the best way is to root and put in a custom ROM. The problem I'm having is finding the latest ROMs. Is there any way to find the latest official ROMs for the phone? And if I download an unofficial one, how can I know which will run well on my phone? Do I just simply get the latest unofficial ROM?
Lastly, if any one has any step by step guide or video on how to root and install ROMs it would be much appreciated as I've never done something like this before. Sorry if this has been posted before, I'm new to this site and have been having trouble navigating and searching old posts.
Thank you.
Click to expand...
Click to collapse
I suspect the reason that you haven't gotten any responses in the last day or so is that you are on the wrong part of the Forum! This is the area for the Samsung Galaxy Tab S3 9.7" Tablet, not the Galaxy S3 Smartphone.
You might want to take a look over here for the T-Mobile S3.
Hope that helps clear things up
DuncDog said:
I suspect the reason that you haven't gotten any responses in the last day or so is that you are on the wrong part of the Forum! This is the area for the Samsung Galaxy Tab S3 9.7" Tablet, not the Galaxy S3 Smartphone.
You might want to take a look over here for the T-Mobile S3.
Hope that helps clear things up
Click to expand...
Click to collapse
Oh wow my bad lol, thank you for letting me know!

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