yashsingh1/xdaforums huggingface dataset:
[LG G8 Guides, News, & Discussion] dman1049:
Will it work on this version? View attachment 5280271
[LG G8 Guides, News, & Discussion] ldeveraux:
Man I genuinely feel bad for you people that attempted this, failed, and got zero support from the OP.
[LG G8 Guides, News, & Discussion] justanutt:
I attempted to unlock my bootloader a while back. I was unsuccessful. I contacted LG and found out that my phone was still under warranty. So I sent it back to them and got it back from them within a week. They fixed it for free. I got lucky. They changed the motherboard for me. : )
[LG G8 Guides, News, & Discussion] sandrox83:
hello! have you root en your lg v50 5g model LM-v450PM VERIZON firmware: P20j ??? tell me please
[LG G8 Guides, News, & Discussion] Palan3009:
How to fix this

Download Fail:Sahara Fail:QSaharaServer Fail:Process Fail
[LG G8 Guides, News, & Discussion] Palan3009:
why can't my cellphone boot to the main menu?
[LG G8 Guides, News, & Discussion] Magichost:
Probably had to do with a uefi bios setting.... Maybe security bit won't allow USB port access.
[LG G8 Guides, News, & Discussion] nongrata23:
Thank you, it worked for LG G8 AT&T android 10!
[LG G8 Guides, News, & Discussion] tdusen:
I have a verizon g8. I successfully unlocked the boot loader and got root. However, I tried the TWRP install and failed. I did get it installed and booted into it a couple times, but never got the prompt to unencrypt and never was able to mount and partitions to backup. something I did along the way managed to reset the recovery partition back to stock and when I tried to get into twrp it actually did the factory reset and I had to start over. Due to unfortunate coincidence, I factory reset and reinstalled multiple times until I found out that Magisk had an expired api key that caused the safetynet check to fail. I was sure I was doing something wrong.

Does anyone have a better way to get twrp installed? or have a way to solve my mount problem?
[LG G8 Guides, News, & Discussion] will160628:
I can confirm the i and j firmware unlock and root with this guide without issue.
[LG G8 Guides, News, & Discussion] girtsj:
So I had it up and running for a couple of months.

Yesterday I received a notification on my V50 about OTA software update.

The issue is I cant uninstall magisk 'with restore images' option. It gives me 'stock backup does not exist!' error.

Does anybody knows what files are needed and where to put them to successfully install OTA update whilst keeping the root?

Any help would be appreciated.
[LG G8 Guides, News, & Discussion] KronicSkillz:
I highly doubt you can upgrade and keep root, best way might be to flash back to stock, upgrade and then re-root but I doubt it's worth it what's even in the update?
[LG G8 Guides, News, & Discussion] KronicSkillz:
I'm debating if I wanna try this, what's the advantage to having root these days? I've rooted a bunch of phones years ago but seems like there is no good custom roms available and the stock firmware is way better than it used to be so I don't even know what the point of risking a brick would be.
[LG G8 Guides, News, & Discussion] hieppo:
Yes, a Telus version, I successfully unlock bootloader and magisk using the exact instruction on the first page. It is pretty straight forward, you just make sure you read everything from top to bottom first to familiarise yourself what is needed to be done so there is no surprises.

Just do yourself a favour and take your time. Amazingly, every answer was found on the first page. I would have wish that there was more screenshots especially when you first execute the oem unlock. The bootup screen shows a circle show deleting which is normal since your data is wipe. This gave me the shiver thinking my phone is completely wiped including ROM.

The biggest draw back is whether i can find a Canada KDZ that will allow me to fix the fingerprint scanner. Even if I do find a file to downgrade, I am not sure if I can upgrade since I can't find a KDZ for the upgraded ROM. I wonder if I can do OTA upgrade after I downgrade?

Can someone tell me if they already load back the original backup abl_a, abl_b, boot_a and boot_b? Would this take the phone back to stock?? What happened to the Magisk? Is it gone from internal?
[LG G8 Guides, News, & Discussion] goochbun2:
i got mine working. but i ran into a issue. when i was editing the build.prop i forgot to make a backup of my files. so it was stuck in a bootloop. i was trying to fix the volte calling since tmobile promised last year and they have yet to make their phones work with the network as promised. so ya now im stuck in march 2021 and cant figure out how to get bootloader up to do fastboot. anything i can do? to get fastboot back?

sprint version. cant get updated back to apr. and cant partitions since i lost fastboot
[LG G8 Guides, News, & Discussion] hieppo:
Update:

So I tried to fix the fingerprint scanner as shown in the LG G8X fingerprint scanner fix with unlock BL. I was able to find a Pie KDZ file. Follow all the instructions and was able to get fingerprint working again.

While all that, the special bootup screen about bootloader is unlock is still there so I assume my phone is still BL unlock.

I tried applying the Magisk using what I saw originally the slot A as shown the same boot_a.bin to patch Magisk install. I used the patched magisk**.img and READ into the boot_a in EDL mode/ Partition Manager.

Rebooted but Magisk does not installed. And I am unable to read root files.

Any help?
[LG G8 Guides, News, & Discussion] Samk80:
helpppppppppppp.....Unfortunately, my phone was refurbished and I jail broke it. Now it won't even turn on!

I erased the abl_a and abl_b to make the phone boot into fast boot (which wasn't working due to it being refurbished).

Any way to recover it?
[LG G8 Guides, News, & Discussion] tdusen:
did you save a copy of those first? try writing them back,.
[LG G8 Guides, News, & Discussion] Samk80:
I managed to put the phone back into edl mode. i pressed the key combo like hundred times as phone wasn't even showing any sign of life! Reloaded the adl files and restarted the phone which fixed the phone. Now I have one question for those who have LG G8 Thinq. My version of LG G8 Thinq (G820N Korean version) always shows LTE mode and I can't make/receive calls. Do you know a secret code to access the LTE band selection? This setting (network mode option) is not available in the phone.
[LG G8 Guides, News, & Discussion] cucumber42:
Success! This actually works. Any version Android 10 on my G8 Sprint version.

If you have trouble at the fastboot step, and you see a yellow exclamation mark in the device drivers that just says, "Android", you need different drivers for fastboot.

I found them from this V35 guide, step 7.

https://xdaforums.com/t/bootloader-unlock-and-root-instruction-no-octoplus-box-required.4052145/

Link: https://goo.gl/CqqNZT

I hope this help!
[LG G8 Guides, News, & Discussion] quadrplax:
I just got my Magisk working on my LG G8 through this process. It was a bit of a harrowing experience. Here are the snags I ran into in case they help anyone else:

QFIL (which, to clarify, is installed with QPST) was having the "DownloadFail:Sahara Fail:QSharaServerFailProcess fail" error as others have experienced. I installed the software on another computer with a mostly clean install of Windows 10 and it worked there. I installed the LG Mobile Driver, then the QFIL Driver (separate link in original post), then QFIL. I did not install the driver version that came with the QFIL download.

When I ran "fastboot devices", the phone was not listed. In device manager, my phone was showing up as "Android" with a question mark indicating a missing driver (I did install the LG driver). I ended up fixing this by installing Google's "Android Bootloader Interface" driver using the Have Disk method. The tutorial I used is here: https://www.androidusbdrivers.com/lg-g8-thinq-usb-drivers/

I followed the "How to Install the LG G8 ThinQ USB Drivers Manually" section (except I chose "Android Bootloader Interface" instead of "Android ADB Interface") using the "latest_usb_driver_windows.zip" file available here: https://gsmusbdrivers.com/download/google-android-usb-drivers/

I made the stupid mistake of enabling secure start-up ("Require password to turn on phone"). If you are installing Magisk, DO NOT ENABLE SECURE START-UP or you will get a bootloop! To fix this, I tried rebooting into EDL and re-flashing the original boot_a.img (my active slot was _a). For some reason, it failed to write the image to the device (*panic*). After rebooting into EDL again I was able to write the engineering abl file to abl_a and abl_b again. Then I rebooted to fastboot and flashed the original boot_a.img from there which luckily worked. I flashed the stock abl_a and abl_b again, booted into the OS, disabled secure boot, then was able to write the Magisk image from QFIL with no issue.

A few more comments: While the engineering abl_a and abl_b images are installed, the touchscreen does not work, but restoring the stock images fixes that. I have an AT&T branded LM-G820UM (with two rear cameras).
[LG G8 Guides, News, & Discussion] Samk80:
Where is the engineering file? I see abl_a available for download. is that the one? How about abl_b engineering file?

Also my phone has anti-rollback and fastboot won't work. No matter how many times I tried.
[LG G8 Guides, News, & Discussion] quadrplax:
The abl_a.bin file available for download is the engineering file. You write it to abl_a and abl_b (after making a backup of each).
[LG G8 Guides, News, & Discussion] Samk80:
Ah ok, so they're both identical. Whats does this abl file do? I loaded both and still couldn't get into fastboot mode. I believe fastboot is locked on some phone models. Mine LG G8 Thinq G820N U+.
[LG G8 Guides, News, & Discussion] robert cryy:
I have a V50 Sprint, with this root's guide it is possible to clean android from the bloatware sprint so that if I reset the phone there is no trace of it , or install a european kdz?
[LG G8 Guides, News, & Discussion] awgybop1:
Worth noting:

You have to left-click the partition in QIFL, then right click and modify the partitions!

Make sure it's highlighted in BLUE! Just right-clicking won't actually select that partition and you will instead overwrite the 1st partition on the list! I had this problem and though my phone was dead and gone, but after discovering this I was able to extract my factory firmware and reflash the partition and get my phone to work again.

I now have an unlocked bootloader and root! Thank You!
[LG G8 Guides, News, & Discussion] awgybop1:
You'd have to manually load all of the images from the European KDZ (except OP partitions, they will cause an OPID mismatch and your phone won't boot!) But yes, with this you can clean the bloatware from Sprint, but if you factory reset they will come back. You could try to manually flash the OPEN_US firmware to get rid of the bloated apps, but there is no guarantee your phone will boot after flashing or that the extraction tool will successfully extract all of the files without errors.
[LG G8 Guides, News, & Discussion] robert cryy:
View attachment 5307423
[LG G8 Guides, News, & Discussion] awgybop1:
View attachment 5307441

This is what mine looks like (OPEN_US). Is this the one you're referring to?
[LG G8 Guides, News, & Discussion] robert cryy:
yes exaclty

do you know how i can get that icon?

but i think there is this LTE icon because from sprint bloatware or not?
[LG G8 Guides, News, & Discussion] awgybop1:
Well, other than flashing the OPEN_US firmware, I don't really know how to do it on LG devices.

I know that on Samsung phones, you can edit the CSC file and change the SystemUI IndicatorIcon to different variants (VZW,TMO,ATT,SPR) - but I'm not sure how they work on LG devices. Any way you do it, I am sure you'd need root. You might be able to get temp-root through the CVE recently discovered, but there is no guarantee it will work, and if it's located in the /system/, it will break encryption and will leave your phone bricked. You used to be able to use GravityBox through the Xposed Framework, but once again, you need permanent root to use that.

If you really really want to change it, your best bet is to follow this guide and root your phone. Make sure that you download LG Bridge on your computer and your phone is successfully recognized first though, so if anything goes wrong, you can restore your device.
[LG G8 Guides, News, & Discussion] robert cryy:
thank you very much

but i know if you root the phone then you can't get OTA updates,

but what would the open-us firmware be?
[LG G8 Guides, News, & Discussion] awgybop1:
Are you asking if OPEN_US would get OTA updates?
[LG G8 Guides, News, & Discussion] robert cryy:
i don't know what is open-us firmware

i know that rooted phone cant have ota update is true?
[LG G8 Guides, News, & Discussion] awgybop1:
Yes, it's true. You can still manually update your phone without losing anything, though. You just have to repatch your boot_(a/b slot) everytime with Magisk everytime you update, which with LG, isn't often.

Open_US firmware is the firmware that comes on the Factory Unlocked LG G8. It has zero bloatware other than Facebook, Instagram, and LG Apps. It also has the 4G LTE icon you wanted.
[LG G8 Guides, News, & Discussion] robert cryy:
grazie

grazie ma funzionerà anche per il mio sprint v509?
[LG G8 Guides, News, & Discussion] tiraden:
I have gone through most of the first part, but I seem to be stuck in EDL mode after copying the developer files over. I can reboot my phone, but it seems to only boot back into EDL (can verify with the driver). I can hear it reboot (if I press power and hold volume down) when the PC see's it reboot...but while holding volume down it doesn't do anything but go back into EDL. I can't seem to find anything else to try to even get it back to the normal boot screen. Any thoughts?
[LG G8 Guides, News, & Discussion] Samk80:
In EDL mode, load the original abl files that you've backed up/renamed.
[LG G8 Guides, News, & Discussion] tiraden:
Unfortunately it still does the same thing.
[LG G8 Guides, News, & Discussion] Samk80:
Hmmm, click save parition after loading the original abl files and restart the phone.
[LG G8 Guides, News, & Discussion] tiraden:
Same thing... What I have noticed is when the phone reboots, if I continue to hold down the Vol- button it will continually reboot every 15-20 seconds. Almost like it tries to go past EDL and just reboots itself.
[LG G8 Guides, News, & Discussion] Zumbuh:
anyone got GSIs to work on this phone? When flashing a GSI in fastboot, it "flashes" to system partition instantly after pushing and writes nothing. Trying to overwrite system_a & system_b in QFIL just bootloops the phone.

nvm got it, u just need to flash with qfil and use a magisk patched boot img instead of stock or else it'll bootloop
[LG G8 Guides, News, & Discussion] Kanhei015:
Anyone have magisk patched boot file for LMG850UM 20f version china model?
[LG G8 Guides, News, & Discussion] pierro78:
thanks for this guide !

worked good on my korean V50 ! (V500N)

I kind of had a nice but strange surprise though ;) :

after I did

"fastboot oem unlock"

I thought I would have to do

"fastboot flash abl_a abl_a.bin" and "fastboot flash abl_b abl_b.bin"

but the phone rebooted without issue (telling me first I was bl-unlocked)

is there sthg special on my phone ? do you maybe have some idea why this step was not needed ??

PS :

answer below (why I had to "fastboot flash abl_a abl_a.bin" and "fastboot flash abl_b abl_b.bin" ;) )
[LG G8 Guides, News, & Discussion] pierro78:
(deleted) (see below)
[LG G8 Guides, News, & Discussion] pierro78:
Oh I had to "fastboot flash abl_a abl_a.bin" and "fastboot flash abl_b abl_b.bin" otherwise my software version would be LM-G850N20z (instead of V500N20z) ;)
[LG G8 Guides, News, & Discussion] way2aware:
Well THIS was certainly a welcome surprise! I have a Verizon branded, but network unlocked V50thinQ. I hate both Verizon, as well as being bootloader locked. Despite the general impression that this tutorial wouldn't work for my phone, I am happy to report that it DID! I'm sticking with just bootloader unlock for now. A couple of weird things:

I wasn't able to fastboot flash my backed up abl_a and abl_b back onto my device, I kept getting an error which was something to the effect of 'Failed, Flash partition full' . Rebooting into bootloader and trying it again yielded the same result. Sooo, I left the engineering abl_a and abl_b as is, and everything has been just dandy. Phone is working great, I've debloated verizon... real easy access to fastboot.

Followed the tutorial exactly as it was laid out, including flashing the frp_verizon.img
[LG G8 Guides, News, & Discussion] C D:
Nice to finally see someone confirm that this can be done on the Verizon V50 (LM-V450VM). I'm assuming you're using it on Verizon or one of its MVNOs. I'd be curious to see if you can eventually get root access/Magisk to work.
[LG G8 Guides, News, & Discussion] way2aware:
Soon, man. Next couple of days and I'll be joining the rest of you rooted Magiskans :) Also, I'm using a TracFone sim of the At+t type... Unfortunately the phone would not work on cricket. Just inserting my sim would shut my service down, and I had to call cricket and say I was sorry, for putting my cricket sim in the phone, and then they scolded me and turned my service back on for that sim.
[LG G8 Guides, News, & Discussion] ldeveraux:
Ok, so maybe you unlocked the bootloader, still not sure. But you didn't even root? How do you consider this a success then?
[LG G8 Guides, News, & Discussion] way2aware:
View attachment 5314025View attachment 5314027
[LG G8 Guides, News, & Discussion] ldeveraux:
Not sure what I'm supposed to see there other than the fact that you've rebooted to bootloader. Does it say it's unlocked there somewhere? You must have used your potato camera again ;) Is TWRP not available from this tutorial?
[LG G8 Guides, News, & Discussion] way2aware:
Sir, allow me to explain a bit better here: if you have a phone which can boot to this screen which is best known as fastboot, you have an unlocked bootloader. At least with these phones. Unfortunately, the screenshot function isn't available from fastboot to my knowledge.
[LG G8 Guides, News, & Discussion] ldeveraux:
Ok when you get TWRP flashed, let me know
[LG G8 Guides, News, & Discussion] way2aware:
I will. And if you become aware of some custom roms for these phones I'd appreciate if you'd let me know. So I could then see the need to get twrp installed and flash these roms.

And good day to you.
[LG G8 Guides, News, & Discussion] C D:
In case anyone else is wondering, for those of us who need VoLTE, any AOSP or LineageOS-based ROM on any LG phone will be a no-go since they'll likely never have it working due to LG's closed-source proprietary files.
[LG G8 Guides, News, & Discussion] ldeveraux:
Sorry, I doubt I would consider it seriously until TWRP is flashable, multiple users have had success, and the OP offers assistance.
[LG G8 Guides, News, & Discussion] henrrypoop:
Will it work on the sprint version with software version G820U21f
[LG G8 Guides, News, & Discussion] yearning_5:
Download Fail:Sahara Fail:QSaharaServer Fail:process fail

any fix please

Lg v50 500N 20z

unlocked bl
[LG G8 Guides, News, & Discussion] yearning_5:
ANY helping hands would be grateful
[LG G8 Guides, News, & Discussion] pierro78:
is it at the beginning ?? I remember I had some similar problems with a non LG USB cable, I took my LG USB cable and I don t think I had that kind of problem again ...
[LG G8 Guides, News, & Discussion] josegmora:
The FRP file for verizon G8 works fine with the Verizon V50, i was able to unlock the bootloader
[LG G8 Guides, News, & Discussion] yearning_5:
Actually i bought the phone from Alliexpress so i guess its cable is not genuine LG, but it works good, as it can be detected under adb, LGUP and 9008 mode as well, the problem is for unlocking the BootLoader I used this Tutrial " https://bbs.lge.fun/thread-155.htm " chineese website ( thanks to google translate) that involved adb command line no Qfil, and i succeeded ( 20m ) version but if i upgrade to 20z i had to enter fasboot or the Qfile method well as metioned b4 the qfil got Sahara fail , thought to try the adb method to enter fastboot and Bricked my phone then obliged to pay 20$ via Teamviewer to fix it well this the whole thing

sorry for the log story friend

many thanks to all
[LG G8 Guides, News, & Discussion] GeoFX:
Were you able to flash your abl_a and abl_b backups or are you stuck on the engineering BL like the previous person who got it installed on the Verizon LG450VM? Thanks
[LG G8 Guides, News, & Discussion] GeoFX:
I noticed that the software version for your screencap is for a G8. Is this because you weren't able to flash your original LG450VM backup abl_a and abl_b files? Is there any way to remedy this (like by flashing a KDZ via LGUP)?

Also, since you're stuck on the exploitable engineering BL, how would this affect future OTA updates (esp. if your SW version looks to be G8)? Thanks!
[LG G8 Guides, News, & Discussion] :
Followed all the directions, unlocked the bootloader and rebooted. Rebooted and now my ATT LG G8x is stuck in a bootloop.

Edit: Finally got it in EDL mode and restored backed up boot file

Edit 2: Now I cannot enter fastboot mode
[LG G8 Guides, News, & Discussion] lallolu:
Quote from OP, "

Go back to Partition Manager and right click on abl_a again then select Manage Partition Data, then Select Load and choose the abl engineering file.

Do the same for abl_b.

"

Should I use the downloaded abl_a.bin on both abl_a and abl_b partitions? I am asking because only abl_a was available to download in the OP.

Edit: The answer is to load the downloaded abl_a.bin for abl_a and abl_b partitions. here https://xdaforums.com/t/guide-lg-g8...isk-root-using-firehose.4221793/post-84446789.
[LG G8 Guides, News, & Discussion] lallolu:
I am now unlocked but I fastboot installing parttion_a fails with error,"

FAILED (remote: Error flashing partition : Volume Full)"

I think it is strange that my backed up abl_a.bin is 32MB, while backed up abl_b.bin is just 1MB. The abl_a.bin I downloaded from the OP is also 1MB.

Why is my backed up abl_a.bin so big?

Does anyone have abl_a.bin for LG V50 version 20j. I am not sure, but I think my version was 20j since I updated in March. abl_a.bin for version 20h can also be shared, thanks.

EDIT:

I solved it with a workaround. I installed the correctly backed up abl_b.bin to the abl_a partition.
[LG G8 Guides, News, & Discussion] GNT01:
Somebody had done the unlock on PC's with Ryzen ? Its true that the finger scan gets disabled after unlocking the bootloader?
[LG G8 Guides, News, & Discussion] tdusen:
fingerprint reader is disabled while the engineering boot loader is installed. after unlock, you reinstall your backed up abl files and fingerprint scanner is restored.

no idea about Ryzen. I don't know why it would matter.
[LG G8 Guides, News, & Discussion] duonpqua:
Mình sử dụng LG G8 thinq hàn và làm theo nhưng gặp lỗi "Download fail: firehose fail fhloader fail process fail"
[LG G8 Guides, News, & Discussion] duonpqua:
Cho em hỏi LG G8 thinq có twrp nào dùng được không ạ?
[LG G8 Guides, News, & Discussion] way2aware:
You are correct- the software version says that, because I wasn't able to flash my abl_a and abl_b back using fastboot. I'll admit that I haven't really put any more effort into this after that one attempt, because the phone is working great and the "g8' thing affects me not at all. I might go ahead and try using QFIL to replace the abl_a and abl_b with my backed up files, but the most honest answer I can give to your questions at this time is: 'I don't know.'
[LG G8 Guides, News, & Discussion] AndewAndroid:
hello. can I unlock the LG V50 ThinQ bootloader on the V450VM (Verizon) version by flashing the Frp_Verizon.img file from LG G8 ThinQ?
[LG G8 Guides, News, & Discussion] Goga$:
Hi

I have bricked my lg g8x

Can someone help me

No display only detects in QIFL. Now if I select partition manager nothing happens

please help
[LG G8 Guides, News, & Discussion] AlmanGP:
me too on Lg V50 V450PM sprint