yashsingh1/xdaforums huggingface dataset:
[T-Mobile LG G3] mingkee:
To ensure more stable operation under 5.x, you should fully wipe the phone when updating. You may want to backup the data using built-in backup app under settings.
[T-Mobile LG G3] Djspinister:
Done that several times. Is there any way i could have messed up my sim by chance? Not sure why it would work in lolli but not kk. Thought I'd ask though.
[T-Mobile LG G3] ThePagel:
Anything is possible but before you bring it in and ask for a new one have you tried using the tot file?
[T-Mobile LG G3] Djspinister:
No have not done that, was going to last night when I got home but the forums were down, I'll give that a shot tonight.
[T-Mobile LG G3] ThePagel:
Just so you know at the end of flashing a tot I state you should see big numbers, this is no longer the case. Now you should go into mini os and see a prompt saying don't touch the screen after clicking OK. After that you will see a bunch of asterisks (*). After that is done follow the on screen instructions to restart normal.
[T-Mobile LG G3] AndroidUzer:
20B TWRP flashable

20B TWRP flashable! :good:

Looking forward to this...

Thanks ThePagel
[T-Mobile LG G3] bluegreenandroid:
I used the TOT file method to return my phone back to unrooted stock 10c and it completed successfully but the software update center in settings doesn't see any updates (ignoring the 10m and other updates). I also tried using the LG PC Suite, but that gave me a "Upgrade cannot run" error message. Should try using the KDZ file? I already did a factory reset so I am at a loss here.
[T-Mobile LG G3] ThePagel:
Yeah do the kdz if the program works for you. These lg phones (or T-Mobile) are weird about not getting updates. Some people got the 10 r update a month after it came out some never got it.
[T-Mobile LG G3] bluegreenandroid:
I downloaded the files last night and I'll give it a try and post back if I am successful.
[T-Mobile LG G3] ThePagel:
If you're on windows 7 it should work without a hitch, windows 8 is hit and miss. I'll hopefully have a full twrp update soon just need to find the time to throw it together.
[T-Mobile LG G3] ThePagel:
Added:

D85120B flashable zip (Lollipop)

and

TWRP installer zip

*Important information Below*

Wipe everything except internal and external data for the best lollipop experience. But if you must dirty flash you MUST wipe cache/dalvik and system or you WILL bootloop. You could skip wiping system but problems might happen.

If you did dirty flash it might take a long time to get to and from the T-Mobile screen. If it takes longer than 5 minutes to get past the T-Mobile screen pull the battery wait 10 seconds and power it back on then it should bring you to the updating android screen, give it time.

After a reboot update your apps ASAP

If you downgrade from lollipop your phone will need to reboot several times before it recognizes your sim card. You will also need to format system before downgrading. If you downgrade with twrp you need to format system before flashing.
[T-Mobile LG G3] fr3d0x:
thanks, i did a dirty flash and is working fine..
[T-Mobile LG G3] bluegreenandroid:
The able to run the KDZ on my Windows 7 machine however OTA updates will not return found updates. I goal was to upgrade to LG's brand of Lollipop so I'll attempt to do that with the KDZ method with the normal flash option.
[T-Mobile LG G3] EduardoZ714:
Hi guys, i may need to send my phone in for a repair as the only way i can use it is if im plugged in to my charger. Anyways, i used the TWRP unrooting way and i was successful, however i see that the OP recommends you to use a different procedure if you want to send your phone in for a repair. What's wrong with restoring via TWRP? I think if i try any other procedure my phones going to turn off by itself if i need to disconnect it from the computer
[T-Mobile LG G3] ThePagel:
Doing it the twrp way should be fine just do a factory reset after flashing to be safe.
[T-Mobile LG G3] Papote3:
Does the twrp or KDZ of 20b have the LTE not sticking bug? Where it would change network mode from GSM/WCDMA/LTE to just GSM/WCDMA
[T-Mobile LG G3] EduardoZ714:
NICE! I did do a factory reset a couple actually as soon as i unrooted it. Thanks Pagel!!
[T-Mobile LG G3] ThePagel:
I haven't noticed it. The twrp zip was made from the kdz file so as far as I can tell they both do not have the bug.
[T-Mobile LG G3] Papote3:
Can you try this for me?

Turn on airplane mode

Wait a few seconds (I wait till the screen turns off)

Turn off airplane mode

Verify if the icon says "4g LTE" or just 4g

Verify in mobile networks if the network mode is in "GSM/WCDMA/LTE" or "GSM/WCDMA"

That's how I can replicate the "LTE not sticking bug" because I have no problem with LTE after reboot, it's just that when the phone looses data or signal, it comes back with LTE turned off.
[T-Mobile LG G3] ThePagel:
I actually did that right before I responded to you. It still says "GSM/WCDMA/LTE auto" after airplane mode. I have also lost signal in the building I work in a few times (normal) and 4g lte has been coming back.
[T-Mobile LG G3] Papote3:
Thanks for that...

I'm going to have to try this then,

I don't know if it would work since I'm already on LP, and users are reporting the bug sticking even after clean flashing back to KK

Will try and report back...
[T-Mobile LG G3] sasidhar79:
Yes I am able to replicate this behavior.

---------- Post added at 12:00 PM ---------- Previous post was at 11:57 AM ----------

May be the network mode will stick to LTE after the OTA?
[T-Mobile LG G3] Papote3:
Hoping for that... But still going to try and clean flash the 20b from this thread in TWRP...

Will report back as soon as I can after the flash
[T-Mobile LG G3] docfreed:
I flashed the 20b from the thread in TWRP and I do not have the changing issue - it started on GSM/WCDMA/LTE and stays there even after many reboots.
[T-Mobile LG G3] ThePagel:
The problem for some people is reconnecting to lte. I have zero problems reconnecting without reboot but I also only flash my own work. People with the reconnection bug should do a full wipe system, data, cache and dalvik then flash this zip and see if it continues to be a problem.

*edit*

The problem could also be in (I doubt) the parts of the boot stack or other partitions for lollipop I did not add. I only have the rpm, kernel, modem, recovery and system updated, the kdz will upgrade every partition. If you try to downgrade with a rom or twrp backup you will retain the updated partitions. I never used the full kdz.
[T-Mobile LG G3] bluegreenandroid:
I had to leave my house and couldn't wait to get home to flash 20b so I rooted using PurpleDrake (works best if using 10c firmware), installed the latest TWRP and flashed 20b via the flashable zip once I had downloaded the files directly to me phone.

This was the first time that a TWRP flashable stock restore has worked for me. I can only guess that it because I didn't wipe internal storage after restoring the 10c firmware using the KDZ file. Every other time before I had wiped internal storage at least once since some custom ROM installations require it.
[T-Mobile LG G3] AndroidUzer:
Hello ThePagel,

I have been around the Android block a few times. I have done my share of ROM flashing, updating, downgrading and I like to believe I know what I am doing... Hah!

I have tried several times to flash the D85120B flashable zip.

I have done a

FULL

wipe clean flash only adding SuperSU and TWRP to the queue.

I also have tried dirty flashing, closely following your instructions in the OP and above.

I was prompted by TWRP to install SuperSU before rebooting even though I already had.

I tried both ways, saying No on my 1st flash and then Yes on my next flash attempt.

Everything seems fine until it completes booting.

It is then I notice my "Home Touch Buttons" are totally missing and swiping down from the top of my screen produces nothing, no drag down notification or quick settings menu.

I have tried everything I can think of , still no buttons or drag down notification or quick settings menu?

I have checked the MD5 sum of the D85120B zip and it checks out:

afd84c024c46c48d2c685750192d09bb

I even went so far as to change my TWRP to the version linked in the OP.

I am back on my KK nandroid for the time being.

Any ideas?

I could try the KDZ but I love the simplicity of the TWRP flashable zips.

I have used all of your previous C,M,R-Untouched zips without issue on several occasions.

TIA
[T-Mobile LG G3] sasidhar79:
I called t-mobile tech support and reported this issue of LTE not persistent and voLTE not working, the tech support worked first update my network profile on their side and then checked to see if LTE and VoLTE are both available in my area, he confirmed their availability and finally went on to troubleshoot the problem where LTE is not persistent on 5.0.1 and VoLTE not working, the outcome was that he claims that the stock Lollipop ROM that we installed using LG support tool/ TWRP etc is not a finalized fully tested update and he claimed that these issues are known to happen. He recommended that I revert back to 10r ROM and wait for the OTA tomorrow from t-mobile.

He mentioned that the OTA will not have these radio/modem issues and will have fully functional VoLTE and Wifi calling 2.0. further I asked him who develops the wifi calling feature and he mentioned that LG or any respective device manufacturer develops it for T-Mobile. He further stated that the update that was released via LG Support tool is from LG and not from T-mobile hence ....
[T-Mobile LG G3] Vegasden:
I can pretty much buy that. There's a reason why the carrier tests before release. Now let's see tomorrow if, in fact, the modem is changed.
[T-Mobile LG G3] Papote3:
So reporting back:

Just finished flashing the TWRP 20b Untouched from this tread, I have run a few test and LTE has always stuck, after reboot and after turning on and off airplane mode.

It was a clean flash (wiped everything but the external SD, I even formated data in the wipe menu). It was an intial test but evrything seems to go ok with the LTE. Going to try later after installing xposed and some modules, and after flashing some mods (sharpening fix, CTT, G3Speed, camera mod, etc)

One thing to notice is that after the first clean flash, I had no status nor navigation bar, almost as if the system.ui was damaged or something. Tried a 100% clean flash (except ExtSD) for the 2 time and it all was good.

After the wipe; I first flashed ROM then went back,

flashed SU zip (v2.46),

then went back and finally flashed TWRP (v2.8.6.0),

then wiped cache/dalvik

Hit reboot

Asked me to flash SU zip, hit NO and reboot

Did you had the other 20b build by autoprime (not the UNICRON but the iNb4TMO stock TMO build) before flashing the one on this thread?

and where you having issues on autoprime's build with LTE that got fixed with the build on this thread?

Well I have never used a kdz, always managed zip and TWRP. autoprime's build (iNb4TMO) I flashed in TWRP and was having LTE issues. I clean flashed your TWRP zip and it seems for now that LTE issues are resolved, so thanks for this.

It happened to me the first time I flashed.

what I did the second time I flashed was:

Wiped everything but ExtSD, then format data

flash each file independently (flash rom, go back, flash SU, go back, flash TWRP)

then wiped cache/dalvik

then said NO to the SU message it appears after you hit "reboot system"

LTE seems to be working without any problems with this build so lets see if the tech support was right or not
[T-Mobile LG G3] sasidhar79:
I am back on 4.4.2 LG TMO stock and waiting for the OTA to happen tomorrow. btw how hard would it be for devs to isolate and pack wifi calling from LG source code.
[T-Mobile LG G3] docfreed:
If WiFi calling is anything like on other phones, e.g., Samsung it's built into the framework. There is an apk for it but that's just to control it. I believe that unless you use a stock-based ROM it cannot be ported easily. For example no AOSP, or CM-based ROMS have wifi calling on TMO.
[T-Mobile LG G3] Papote3:
Can anybody thats running this 20b build try something to see if you can replicate the LTE bug:

Connect to a WiFi

Go to settings / Call

Go to the end to "additional settings”

After it loads, go back to home

Turn off wifi

Check if LTE is off

Try turning airplane mode on then off and see if LTE ever comes up

Good thing is that after turning LTE on and reboot, it stays that way until I do what is described above
[T-Mobile LG G3] huntnyc:
Had to downgrade to 10r from 20b. Used KDZ method like I did to upgrade to 20b but now even after doing this flash to 10r twice and factory resetting, my SIM card now does not connect to TMobile network. No errors show but no connection. Removed and inserted SIM card again but no joy. Does anyone know of anything that can help? It was working before I flashed back to 10r and thanks for all help.

Now I got it to work on 4G but it will not work on LTE mode for some reason. Maybe 20b VoLTE settings did something to it, I don't know or maybe TMobile network problems here in NYC. Thinking about taking the OTA update before going into the store to get another card. Again, thanks for any help.
[T-Mobile LG G3] vel0city:
Yeah if you are in 20b it seems that the modem must be the 20b one for it to work. I am having an issue where LTE will not stick after reboot or when the phone is on stand by for a couple hours it automatically switches back to gsm/wcdma. Even restoring back to 10c this problem still exist. It is really weird, now just waiting for the ota and see if that final build fixes the issue from what a user stated in this forum
[T-Mobile LG G3] bluegreenandroid:
This bug is strange...no sooner after reading the forum posts I turned off the Wi-Fi and when mobile data took over it was 4G. I then proceeded to turn on airplane mode and waiting a few seconds before turning it off again. When I did I once again had LTE.
[T-Mobile LG G3] ThePagel:
Ill probably downgrade and snatch the ota zip so I can see if the hash for the modem and system are the same as the one I uploaded. No matter what T-Mobile tells us they work closely with lg to push out a ota. Since the ota is 20b and the one on this page is 20b I doubt it is any different. Besides lg needs to have the correct new firmware because they are the ones who put it on the phones before it gets sent out.
[T-Mobile LG G3] Papote3:
Please let us know what you find out
[T-Mobile LG G3] bofiana:
Hey man, I'm pretty sure i found a fix. Well, i didn't come up with the fix, someone else did and I'm just posting it here. I did this last night and i havent lost LTE ever since! Here's the comment from the guy who figured out the weird fix: "The weird thing is that this 4G LTE issue on this rom is fixed by doing some weird steps. I was getting pissed off that the phone wasn't able to switch back and forth to LTE and Wifi so I decided to do some weird steps. What I did was use the LG Flash Tool to go back to D5110C and then I rooted and installed TWRP and flashed BlissRom 2.3. Then I used LG Flash Tool to go back to the stock lollipop rom and that fixed the issue. It doesn't drop to 4G anymore and it sticks no matter what I do. I restarted, turned airplane mode on/off, disconnected from wifi and reconnected and nothing made it drop to 4G. Just my two cents hopefully it helps you out."

So i didnt mess around with using LG flash tool to go back to 10C. F that. I just wiped everything but external SD card (including internal) and then flashed Blisspop 2.3 as the guy stated. When that booted, i did have to go into settings for Rom and change from 3G to LTE. But once i did that, LTE on Blisspop always stuck. So then i went ahead and followed Papote3's instructions a few posts above for flashing the TWRP version of this stock 20B rom. Flashed the Rom then SuperUser then TWRP. As soon as the Rom booted, i had LTE connection and i haven't lost it since. Not on reboots, not after losing wifi signal, not after phone goes to sleep. I say give it a try and see if it works for u too.
[T-Mobile LG G3] vel0city:
So I can confirm that flashing Blisspop 2.3 really does fix the LTE issue. But instead of flashing the 20b stock untouch I just backup my current rom via TWRP and restored after flashing Blisspop 2.3 so it saves the hassle of setting up your phone again! Thanks man this definitely saved some headaches, I don't understand why this fixed the issue though so weird, especially a KDZ restore didn't fix it. But anyways this is definitely the work around though.
[T-Mobile LG G3] tailsthecat3:
followed instructions for D85120B-Untouched_Stock_Restore.zip via twrp, added su, and twrp to the flash queue, but the phone insists I'm not rooted. I do have su in the app drawer and because it was a dirty flash (wiped system, cache, and dalvik), I tried installing su from the market. I have two su apps, not too concerned about that.

What I am concerned about is deleting everything if I attempt to boot into twrp. Any way I can tell or confirm that twrp is actually installed? Thanks.
[T-Mobile LG G3] vel0city:
Use this to root

http://xdaforums.com/lg-g3/general/guide-root-lg-firmwares-kitkat-lollipop-t3056951

then just flash twrp via flashify.
[T-Mobile LG G3] tailsthecat3:
I flashed D85120B-Untouched_Stock_Restore.zip little more than an hour ago maybe, and then I see this...

If I disable WiFi, it tells me the update is available only via WiFi until 17 April.

Here's the Dropbox link to the update.zip...

Do not flash it, as I'm not responsible for your actions.
[T-Mobile LG G3] bluegreenandroid:
I tried checking for an update and found no OTA. Of course I haven't been able find/download an update since I started rooting and using custom ROMs for my d851. I only have 20b thanks to the TWRP zip.
[T-Mobile LG G3] sasidhar79:
May be Android 5.1?
[T-Mobile LG G3] tailsthecat3:
I uploaded the update.zip that was downloaded after I flashed D85120B-Untouched_Stock_Restore.zip.

Hopefully somebody can do something with it. I've got twrp, apparently, so it wouldn't update.

I'm not responsible for your actions.
[T-Mobile LG G3] tailsthecat3:
Just for the hell of it, I attempted to flash the file in twrp.

Says I have 4.4.4 ktu84p when software info screen inside the os says 5.0.1...i don't like it
[T-Mobile LG G3] sasidhar79:
That is a factory image for nexus 7,

https://developers.google.com/android/nexus/images
[T-Mobile LG G3] tailsthecat3:
Interesting.
[T-Mobile LG G3] ThePagel:
Tailsthecat can you delete the links in all your posts so nobody accidentally downloads it and tries to use the guts to update?
[T-Mobile LG G3] tailsthecat3:
Done and done.

I reverted back to 4.4.2 via twrp, flashed the 10m modem zip and that's that. 5.0.1 was awfully buggy; not worth it.
[T-Mobile LG G3] mingkee:
You should backup your data, and flash using KDZ method with CSE (full wipe) to update the ROM.

I have no problem using above method and never look back.
[T-Mobile LG G3] tailsthecat3:
Meh. I'm not that worried about it. The days of worrying about the latest version are long gone. My 4.4.2 works brilliantly; but now I'm searching for a kernel to flash and try for a few days.
[T-Mobile LG G3] HinotoriBR:
My experience so far has been flawless... I've used the TWRP package, dirty flashed (I've wiped system/cache/dalvik), took ages to update all my applications, and since then, working just fine.

LTE is working fine, all the time, no issues connecting to WiFi and when leaving 4G LTE work just fine...

No crashes whatsoever....

Altough, I have to say, right now I'm in Brazil and using it with other carrier than T-Mobile, and, I've not enabled VOLTE since it is not supported by the carrier I'm using in Brazil... Also, I've WiFi calling turned off as well, my experience with it has not been so good due to the places where I was most of the time in the U.S. the WiFi connection was unstable/slow making it a bad choice (bad quality calls, calls droping randomly, etc).
[T-Mobile LG G3] fr3d0x:
I flashed the zip with twrp and all is working fine,no problems at all
[T-Mobile LG G3] AndroidUzer:
fr3d0x, I am just curious did you flash SuperSU as well?
[T-Mobile LG G3] fr3d0x:
Yes and twrp
[T-Mobile LG G3] bluegreenandroid:
Other lollipop ROMs may have the same effect. I flashed the latest nightly of CM 12 then went back to my TWRP backup of 20b stock. Haven't lost 4G lte since then.
[T-Mobile LG G3] noteespirit:
i did the steps as guided in the first post and perfromed TWRP Flashing to restore 20b zip

and added supersu and twrp in the queue, the restore was successful. i upgraded from 10r to 20b, but i lost root access and twrp. can you please guide how to root in d851 20b??

also please tell me the the stock restore 20b doesnt contain the new bootloader? right?

Edit: i successfully rooted on 20b by one click method by avicohh. please just confirm that this stock recovery contains new bootloader or not. thank you
[T-Mobile LG G3] ThePagel:
Nope no bootloader. Ill have to reflash so I can find out why some of you cannot gain root. Im sure it has somthing to do with twrp asking if you want root at the reboot part. Just so you are aware it does have the newest rpm. Added it because the rpm deals with power management.
[T-Mobile LG G3] enzodad:
Rooted in new lollipop release? Afraid to upgrade for fear loosing root / tether
[T-Mobile LG G3] enzodad:
did TWRP D851 R and i cant use update tool to update says restricted software. wats point doing this if still cant update
[T-Mobile LG G3] ThePagel:
I just tested it out and it worked fine for me. No clue why its not working for you. The update tool is pushing the "buggy" version of lollipop anyway. 20B works fine for a few of us but the majority seems to have problems.
[T-Mobile LG G3] enzodad:
I can't restore R it has no network. Im on C errrr

I tried B but tether. Slow not sure why i tried updating. Via lg tool but says blocked and if i do any updates on C i lose network
[T-Mobile LG G3] ThePagel:
It sounds like you where aleady on L at one time then downgraded? If you take the jump into L territory your phone will never work 100% on any stock kitkat build.
[T-Mobile LG G3] enzodad:
I tried L and went back to R and it worked prefect now phone doesn't want to do anything..

Has too be different modem or something...should not be 100-200kbs tether speed
[T-Mobile LG G3] docfreed:
Do you think that's true even if you restore a nandroid from a 10R build? I have done this a few times for example, I originally flashed Autoprime's 4 zips to get to 20B but the signal was terrible, both WiFi and BT were awful also. So I restored back to untouched stock using TWRP (as in the OP of this thread). Signal was much better and I really did not have any issues,
[T-Mobile LG G3] ThePagel:
It seems to be hit and miss. If I try to downgrade I no longer get lte, infact I get no signal until I change the preferred network. Some people like you have no problems others cannot gain network at all. Im fine with it because L works flawlessly for me. Oh and nandroid wont restore the modem to 10R you end up keeping the 20B modem.
[T-Mobile LG G3] docfreed:
Thanks for quick response - I decided to stick with L also because outside of a few minor issues (WiFi calling sometimes doesn't start and I have to fiddle with settings to get it going) and occasionally BT sound doesn't always stream to my car - also have to fiddle with it) L does work flawlessly. I'm hoping we get 5.1 someday - that build reportedly fixes signal issues.
[T-Mobile LG G3] Papote3:
Did you ever got to check the OTA? I saw it n autoprime's thread.

If so, is there anything different or is it the same as the Untouched zip
[T-Mobile LG G3] ThePagel:
Not yet, I'll do it tonight.
[T-Mobile LG G3] Vegasden:
Has anyone determine whether the modem coming with the OTA that's now being sent by T-Mobile is the same as we've had for a while?
[T-Mobile LG G3] enzodad:
is there file for TOT 10R restore and not C? i can not get a rom to work with a modem...i have to use Unicron and that modem BLOWS so hard i restored C/R and cant get a modem to work on them i tried C/b/d/r
[T-Mobile LG G3] ThePagel:
I'm sure it exists but I do not want to go looking for it. The kdz works 99.99% of the time and it is very easy to find, the tot file is much much much harder to run across.