Unroot - Galaxy S II Q&A, Help & Troubleshooting

Does anybody know how to unroot a T-Mobile branded handset.
sent from the darkside

stewart30 said:
Does anybody know how to unroot a T-Mobile branded handset.
sent from the darkside
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Total noob here, but I think you need to flash a t mobile stock rom, have a look in here
http://forum.xda-developers.com/showthread.php?t=1113928

Downloaded a stock firmware and kernel and flashed using odin.
However my phone will not connect with kies to update to latest firmware and won't update via phone.
Any ideas.
Sent from my GT-I9100 using XDA Premium App

Related

Question on Branded firmware

What happens if I flash an o2 ics firmware on my unlocked phone?
olster said:
What happens if I flash an o2 ics firmware on my unlocked phone?
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As long as it's for the same phone model, nothing happens, apart from having an O2 software branded phone!
You'll likely loose root etc also
Sent from my GT-I9100 using XDA

How to get ICS update?

Hi guys, I'm using an unlocked bell note on Telus.
My phone is rooted and currently have an ics rom running on it. So my question is to get the official ics update, do I have to restore my phone to stock bell or stock Telus?
Sent from my SAMSUNG-SGH-I717 using xda app-developers app
Prob when the update comes you will have to go to stock gb or wait until the ics is uploaded by some one then odin it or flash it.
Sent from my SAMSUNG-SGH-I717 using xda app-developers app
Sounds good thanks!
I messed up my stock kernel by flashing the wrong think, so that's a relief to just use Odin.

Do you need root to flash stock firmware?

Hi.
I just bought an unlocked but Vofadone branded S3 yesterday. Now I want to flash a stock firmware to unbrand my phone without rooting it first. Is it possibke? Can somebody point me to the instructions?
Thanks.
Sent from my GT-I9300 using xda premium
yes why not
just use pc odin
ring_GT said:
Hi.
I just bought an unlocked but Vofadone branded S3 yesterday. Now I want to flash a stock firmware to unbrand my phone without rooting it first. Is it possibke? Can somebody point me to the instructions?
Thanks.
Sent from my GT-I9300 using xda premium
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You do not need root to flash a stock firmware.. if you want to unlock your phone from your carrier, i suggest you root your phone AFTER you flashed a stock firmware.. there are applications here in XDA that does the job neatly.
I hope this helps
Thanks!! My phone is already unlocked so i do not need root
Sent from my GT-I9300 using xda premium

4.1.2 update on rooted phone?

I have a rooted GS3 (stock rom). My wife and kids all have unrooted phones and they are getting the update right now. I checked for an update and it never finds it so do I need to unroot to get the OTA update?
Sent from my SGH-T999 using xda app-developers app
You could try unrooting, but most of the time Kies does not recognise the device.
1)If you want to get the update the best way is to flash a stock 4.1.2 of your country and then update via kies.
OR
2)Just find the latest 4.1.2 (the update) for your country and flash it
Pneumatic said:
I have a rooted GS3 (stock rom). My wife and kids all have unrooted phones and they are getting the update right now. I checked for an update and it never finds it so do I need to unroot to get the OTA update?
Sent from my SGH-T999 using xda app-developers app
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Why are you posting in the i9300 forum?
and in the wrong section too
This is the Galaxy S3 general discussion section isn't it? What section should I be in?
Sent from my SGH-T999 using xda app-developers app
Whoops... my bad. I see what I did wrong.
Sent from my SGH-T999 using xda app-developers app

[Q] After Unrooting.....

Hi,
I have root my I9205 after I bought it three months ago. (I just root it nothing more)
Now I want to upgrade the stock rom (coz there are some minor problems)
Will I be able to upgrade the Stock ROM (OTA) after unrooting my I9205??
Anything else I need to consider??
Many thx!!
Have you tried OTA yet?? Even being rooted???
Sent from my GT-I9205 using xda app-developers app
It say that my phone had been modified OTA cannot be applied
jimmbomb said:
Have you tried OTA yet?? Even being rooted???
Sent from my GT-I9205 using xda app-developers app
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AFAIK OTA after rooting is not possible. Phone has to be 'virgin' stock to have possibility to upgrade by OTA.
Just flash the latest stock Rom, this will update and unroot all in one go.
Kangburra said:
Just flash the latest stock Rom, this will update and unroot all in one go.
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Thx brother I will give it a try!

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