Hoping to unroot phone, not sure where to find firmware - Sprint Samsung Galaxy S III

I'm hoping to unroot my phone, but read that after using Triangle Away I have to re-install the official Samsung firmware. Where do I find this at?

Check this out! http://forum.xda-developers.com/showthread.php?t=1904099
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Returning Phone

I rooted my phone and played around with it for a bit but decided I wanted to return it. Is there a quick and easy way to unroot and go back to stock? All i've done was root it, get CWM on it and then backed up.
Download a stock rom from the general section (preferably one from your carrier) and flash it with odin.
tazmania12345 said:
I rooted my phone and played around with it for a bit but decided I wanted to return it. Is there a quick and easy way to unroot and go back to stock? All i've done was root it, get CWM on it and then backed up.
Click to expand...
Click to collapse
Search the dev section. There is also some stickies.
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you should also reset your counter to be ultra safe. Not sure if they even check that other than for warranty purposes.
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ODIN is the answer
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Stock S2 with ROOT and CWM Recovery. Need to return for warranty.

I need to return my girlfriends S2 under warranty. It is still on stock GB, with root and CWM recovery. What do I need to do to unroot and bring it back to stock recovery? Just ODIN? Got any links?
Thanks
Use search and you will find what you're looking for.
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I did search. ODIN is what I think I found. Just wanted to make sure Odin removes everything, even the recovery.
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ultra spikey said:
I did search. ODIN is what I think I found. Just wanted to make sure Odin removes everything, even the recovery.
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Click to expand...
Click to collapse
Use Odin to flash a stock rom. It will turn your phone to original state.
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[Q] Phone Rooted and Running Custom JB

Well, I'm on XquiziT's ROM, and I've been dying to get the actual JB release.
If I do the OTA update, will it erase root and reset my flash counter?
Will it harm my phone if I do an OTA while rooted?
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I read around and found that I should ODIN root66,.. Anyone have an idiot-proof guide for doing this?
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Try the firmware thread in my sig. Instructions for Odin are there.
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Kelevro said:
Well, I'm on XquiziT's ROM, and I've been dying to get the actual JB release.
If I do the OTA update, will it erase root and reset my flash counter?
Will it harm my phone if I do an OTA while rooted?
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Click to expand...
Click to collapse
Odin + root66 or official tar images will NOT trip your counter.

Return to stock and unroot link

Can someone post the link to this. I need to return my phone. I used search but it's saying search temporarily unavailable.
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Go to the firmware thread, Odin flash the stock firmware. Thats it.
Triangle away first if needed.
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Cant update.

Hey guys, im having a bit of an issue. I cant check for software updates because my device has been modified. Is there a fix for this, even after I Flashed the stock tar file, it still gives me this message :/ I have only flashed one ROM on this device, but since I forgot to make a back-up I resort to using Odin when I want to get back to stock. Now I read on another thread that root could be a cause, so I figured, complete restore with with Odin would help, but instead I get the same message.
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You need to use Triangle Away to reset the flash counter.
This thread will show you how to.
http://forum.xda-developers.com/showthread.php?t=2336392
There's no update right now anyway from T-Mobile that I'm aware of.
So I need to root again?
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AtrixNo4g said:
So I need to root again?
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Click to expand...
Click to collapse
Yea, you need root to use Triangle Away. After you reset the counter, just flash back to stock.

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