Gadgetory


All Cool Mind-blowing Gadgets You Love in One Place

Samsung Galaxy S3 - How to unroot and flash stock firmware

2012-07-06
what's going on everyone this is Clayton Youngberg coming at you from the best Android site on the web Android authority calm today I'm gonna be showing you a quick tutorial on how to flash a stock firmware on your Samsung Galaxy s3 now when you flash a stock firmware it also unroot your device so if you need to return your Galaxy s3 for warranty purposes this is a perfectly fine method of doing so anyways the first thing we're going to do is go to the xda-developers page that I have linked in the description and we'll find the most recent software update which is the i-90 300 x x.b lfb now mind you this is for the galaxy s3 I 9300 version and it won't work for any of the others don't try and flash the stock firmware on any of the other variants of the galaxy s3 anyways we're going to need the i-90 300 x x.b lfb download or the newest one whenever this whenever you're trying this method todays we're going to click download on Mac and it will download to our computer and we're also going to need to download odin version 3.0 point-four that's a zip file so anyways on my computer I've moved the stock firmware to the new folder it comes in this zip file we'll just extract it we have the SS DLL file and then we have the firmware file which is a dot ta r also we have our odin which I downloaded and when we open Oh Dan will need to open it from the folder and download it in and if you move the program out to the desktop it will not work so keep that in mind anyways the first thing we're going to do is power down our galaxy s3 I'm going to need to put it into download mode so we're just going to power off and once the device is off we're going to be holding the home button the volume down button and the power and just hold those until it boots up you'll get this screen it says volume up to continued volume down to cancel and restart the phone we're going to continue by clicking up see we're in download mode now now we're just going to want to plug our galaxy s3 into our computer and open the odin program once the odin program is open you'll see the zero comm 7 or it could be come with a different number but it doesn't matter anyways what we're going to want to do is click the PDA button and then we're going to want to uh surf in our downloads or desktop wherever we moved it to our stock firmware file so I moved it to a new folder and here's our firmware file file it's a dot r dot MV v that just goes in the PDA make sure repartition is not checked and click start you'll see when it's finished we have our past symbol there we can just minimize Odin and our galaxy s3 is a beginning its reboot we can unplug it from the computer at this point and we'll just wait for the setup screen to start ok guys if you're stuck in a boot loop where all you see on the screen is just the Samsung logo which may happen when you flash a stock firmware you're just going to want to remove the battery and then you'll put it back in hold the volume up the power and the home button and then you'll just start it up this will boot you into the stock recovery because you will be unrooted and once you see the little Andie there with his orb flashing you're going to want to go to the wipe data/factory reset and confirm that with a yes then after that you're going to want to wipe the cache partition and then you can reboot system now and you'll reboot with a fully functional galaxy s3 completely unrelated and running me stock firmware anyways guys if you enjoy the tutorial subscribe check out our website you'll be updated with everything Android for as long as you're there
We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.