[Q] Reverting Back to Stock - G3 Q&A, Help & Troubleshooting

I am very interested in rooting the AT&T LG G3, but I would like to know the process to restore everything back to stock so I can accept future software updates.
Is there a thread already that explains this? Is the process as simple as doing a factory reset and then checking for the software update in the settings menu?

Check this thread http://forum.xda-developers.com/showthread.php?p=53842744
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Just to add to this also.. Whether US versions are the same I don't know.
When I flashed Sphinx ROM to my 855 and flashed back to stock O2-UK firmware (incredibly easy btw) the firmware reflash has debranded my device. I have no O2 splash screen anymore.
Just an FYI in case you happen to try also and wipe all ATT traces from your device.
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Related

Help with stock rom please!

I bought a galaxy note 2 off a bloke he said it was unlocked turns out it was rooted! I want to go back to stock but not sure what the original stock rom was I know it's definitely UK but not sure if it's factory unlocked or on a specific network! I've downloaded the UK international stock rom think it's btu or something like that! What's the dangers please will it brick my phone! Have tried to ring him but his phones off and has been all week any help be much appreciated
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I'd say follow dr.ketans guide that would be your safest bet.
But honestly I'd leave the phone rooted, at least, for the time being you'll be glad you did.
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Yeah it's OK rooted but quite a few apps keep shutting down!! But it is great I must say
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Which apps fc? You could try a factory reset, flash a custom rom or of course revert back to unrooted or Flash a new stock rom. If you choose the last option ensure you run triangle away first
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[Q] Question? Imei 00 / Have Baseband can I flash with safestrap to restore?

Hello,
Have a Tmobile Note 3 N900T Running the UCNB4 4.4.2 Version of Android.
I have Baseband, however, after Region Unlocking, (Rooted), I do not have an imei#. Says Unknown, and 00 (Imeisv).
Want to restore.
Have read that a few different ways may work?
1) Flash File Mentioned Here http://forum.xda-developers.com/showthread.php?p=53032145
(Can I flash with Safestrap, or Must I flash with Odin under CP?)
2) Delete Efs Partion, and Reset (Factory or Just Reboot?)
3) Reflash entire Stock Rom via Odin, and Start Over, - Question is will it restore imei#?
Any help or direction would be greatly appreciated folks!
Be well.
Had another thought, or question.
Could I flash the zip with the stock recovery, by renaming to "update.zip" and flashing in stock recovery (apply update from external ad card)?
Or, is the best way to accomplish this, flashing stock firmware via Odin? And if so, where is the best spot to download same?
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I've had imei disappear, best bet would be to go back to stock. The new NE6 update is everywhere in the threads with instructions
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steve97ta said:
I've had imei disappear, best bet would be to go back to stock. The new NE6 update is everywhere in the threads with instructions
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Click to expand...
Click to collapse
So, just flash it over with Odin, and that may or should correct my problem?
Thanks
Should, I've done it before and it worked
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Help

Okay so I have a question about Lollipop rolling out for LG G2 owners. I have the 32 gb LG g2 rooted and flashed to page plus. I just want to know would it be safe to update to lollipop OTA. would I lose my root or the flash at all?
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leo77748 said:
Okay so I have a question about Lollipop rolling out for LG G2 owners. I have the 32 gb LG g2 rooted and flashed to page plus. I just want to know would it be safe to update to lollipop OTA. would I lose my root or the flash at all?
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Click to expand...
Click to collapse
Typically, you must be back on stock in order to update to a newer stock version. Otherwise, it will lead to problems (brick, bootloop, etc.) I'm not sure any of the original methods will be able to re-root you on lollipop, or for that matter the page plus flash.
Can't I just flash the lollipop update or would that get rid of the page plus settings and prl? I don't mind the root going away.
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Yo what state you in and what date your phone get it
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I'm in California and I got mine connected in November they don't allow flashes from Sprint to page plus anymore.
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[Q][Ls980] Ls980ZVD No option to update os

I recently bought lg ls980zvd. I'm not getting option to update os in about phone or software information. Is that normal ?
Currently I'm on 4.4.2.
Thanks !
Gamersab said:
I recently bought lg ls980zvd. I'm not getting option to update os in about phone or software information. Is that normal ?
Currently I'm on 4.4.2.
Thanks !
Click to expand...
Click to collapse
settings,system updates, update lg software if its not in the settings menu you have either a custom rom or modded rom and remeber if thats the case never take ota update or brick will result
Idk I checked two phones before buying but both didn't had option to update.
TheMadScientist420 said:
settings,system updates, update lg software if its not in the settings menu you have either a custom rom or modded rom and remeber if thats the case never take ota update or brick will result
Click to expand...
Click to collapse
See
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Gamersab said:
See
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Click to expand...
Click to collapse
Damn thats weird.maybe try zvc or different zvd tot file only time i didnt have updatin mine was when i was on cloudy g3 have you rooted maybe accidently deleted the wrong bloatware or such
TheMadScientist420 said:
Damn thats weird.maybe try zvc or different zvd tot file only time i didnt have updatin mine was when i was on cloudy g3 have you rooted maybe accidently deleted the wrong bloatware or such
Click to expand...
Click to collapse
Phone isn't rooted I guess because if it was rooted it would have stuck on lg screen after factory reset from backup and reset.
Any more help ?
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TheMadScientist420 said:
Damn thats weird.maybe try zvc or different zvd tot file only time i didnt have updatin mine was when i was on cloudy g3 have you rooted maybe accidently deleted the wrong bloatware or such
Click to expand...
Click to collapse
See
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TheMadScientist420 said:
Damn thats weird.maybe try zvc or different zvd tot file only time i didnt have updatin mine was when i was on cloudy g3 have you rooted maybe accidently deleted the wrong bloatware or such
Click to expand...
Click to collapse
Madscientist's recommendation sounds best. You don't need to be rooted to TOT a stock image to your phone. Make sure to backup anything important. This requires a PC:
http://forum.xda-developers.com/showthread.php?t=2432476
Follow "2015 (updated with pictures) TOT Method!"
anaconda691 said:
Madscientist's recommendation sounds best. You don't need to be rooted to TOT a stock image to your phone. Make sure to backup anything important. This requires a PC:
http://forum.xda-developers.com/showthread.php?t=2432476
Follow "2015 (updated with pictures) TOT Method!"
Click to expand...
Click to collapse
After flashing stock firmware will I be able to receive OTA? and is there any legit way to check root status ?
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Gamersab said:
After flashing stock firmware will I be able to receive OTA? and is there any legit way to check root status ?
Sent from my LG-LS980 using XDA Free mobile app
Click to expand...
Click to collapse
Yes, restoring stock using TOT method is like getting the phone brand new without any modifications, so it should fix any issues you are seeing if the phone was modified in anyway. I have successfully TOTed back to older stock versions numerous times and the update notification would pop up like a mad dog without leaving me alone
The most legit way is to download an app called "root checker," and the rest is self explanatory.
anaconda691 said:
Yes, restoring stock using TOT method is like getting the phone brand new without any modifications, so it should fix any issues you are seeing if the phone was modified in anyway. I have successfully TOTed back to older stock versions numerous times and the update notification would pop up like a mad dog without leaving me alone
The most legit way is to download an app called "root checker," and the rest is self explanatory.
Click to expand...
Click to collapse
HAHAHA right. Is stock firmware jellybean ?
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Gamersab said:
HAHAHA right. Is stock firmware jellybean ?
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Click to expand...
Click to collapse
ZVG is Lollipop 5.0
ZVB, ZVD, ZVE is Kit Kat 4.4
ZV7, ZV8, ZVA is Jelly Bean 4.1
So just look for the right files.
---------- Post added at 04:00 PM ---------- Previous post was at 03:46 PM ----------
Gamersab, this is all for Sprint and Boost Mobile LG G2 LS980. I just saw in your profile that you are using Pakistan - Telenor. This is probably the reason why you aren't receiving OTA updates for your phone... Your phone was probably flashed by Telenor to work on their network. I wouldn't tot back to stock or you might lose network access because the APN settings won't be configured for your provider...
No I bought it from independent seller.
Telenor have nothing to do with it
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And will my phone remain unlock after flashing tot ?
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No, tot puts it back on sprint network. If you aren't using sprint, you will not get access.
Any easy way to unlock it ? And will I be able to receive OTA update after unlock ?
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Any unlocking will break ota of going through.
Well, the only way I'm getting LP is by flashing custom ROM right?
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They are working on a permanent unlock on stock lollipop. There is a thread in sprint development. Main thing, backup your apn-settings file.
That could save you a big headache
secret.animal said:
They are working on a permanent unlock on stock lollipop. There is a thread in sprint development. Main thing, backup your apn-settings file.
That could save you a big headache
Click to expand...
Click to collapse
How do I backup?
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[Q] Precautions when downgrading from Lollipop to Kitkat

Just a quick question before I downgrade, do I have flash anything expect for the older .kdz? I read something about having to flash a "kitkat modem", but haven't found a definitive answer by searching. Wouldn't want to brick my phone as it just came out from warranty repair. Cheers.
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If you are flashing kdz file then no, you do not need to flash modem. Even so you will not brick your device if you have a wrong modem, your device would just have no signal and wifi.
If that happens you can use one of the modems from this thread:
http://forum.xda-developers.com/lg-g3/general/radio-modem-lg-g3-t3110376
Thanks, gonna flash right away
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