yashsingh1/xdaforums huggingface dataset:
[G4 General] fates13:
I've been running stock MM on VS986 without issues except that I can't get Advanced Calling working no matter what I do. I've disabled and enabled it countless times both on the phone and on the Verizon website and it still won't work. I've called into tech support and they can't seem to figure it out either. It was working fine when I was on stock Lollipop without UsU. What I'm wondering is if there were other partitions that I should have flashed when I was updating the stock Lollipop bootloader stack to the the stock MM bootloader stack in order for Advanced Calling to work. I only flashed the following partitions as mentioned in the FAQ but I know that there are many other partitions contained in the KDZ:
[G4 General] rezalaga:
It's difficult to find MM kdz of LG G4 H810, but by the way my device detected H811 in GPT info at Salt, can I use H811 kdz for the MM bootloader stack?
[G4 General] grantdb:
Is the link in FAQ #14 working for anyone? https://bit.do/ilapofixg4
[G4 General] David X:
Thank you very much for your links. I haven't used linux before. When I set up VBox, do I need to select Windows10 as I am using windows? or I need to select Linux? Right now FWCL stays at first window with several options but doesn't continue.

Btw, I used another laptop and tried to extract with SALT again. After collecting KDZ information, an error message poped up

"this KDZ has ARB of: arb-detect-error". So end up there are no partitions to select. What are missing or how to fix? Please help. Thank you.
[G4 General] sdembiske:
As per my post, in the VBox setup you choose after the name (FWUL), Linux and then Arch Linux 64bit (even if your laptop is 32bit) and then select the virtual disk image you downloaded.

The arb-detect error, I've been getting too - steadfasterX is helping troubleshoot it ...
[G4 General] David X:
I would flash .img in TWRP by select img in TWRP.

Would you please share the steps how to extract a kdz with SALT successfully? Thank you.

---------- Post added at 02:00 PM ---------- Previous post was at 01:56 PM ----------

Thank you for letting me know. So I will wait until steadfasterX fixes it.

I did follow your instructions and tried several times, but I don't see Arch Linux 64bit. All options show 32bit, although my windows 10 is 64bit. I downloaded latest VBox 5.2.8. two times. Same results.
[G4 General] sdembiske:
We are talking about different things: You download and install VirtualBox for Windows hosts. The Linux and Arch Linux 64bit part do not come into the equation until you are setting up the FWUL Virtual Disk Image (VDI) in your installed Windows VirtualBox.
[G4 General] hey_joe:
Thanks for the reply.
[G4 General] David X:
Sorry for my mix up of img/image.

Regarding extracting, I have had so much difficulty to complete that. I have tried different KDZs and on two laptops, still no success. All I got is that arb-detect-error message. I must miss something. Thank you for sharing your experience.
[G4 General] sdembiske:
Update to latest SALT version that steadfasterX just now uploaded. Working for me ...
[G4 General] David X:
I remembered that I updated to 3.1.2 (?) when I tried at midnight. Hope this is a newer version. Thank you for the good news. I will try again and report back.

Update: update SALT to 3.13 now, still have same error message. I will stop asking now as this Extract issue could be off topic, sorry. I will try again VBox that your suggested. Hopefully I can solve it soon.

Thank you all for your help.
[G4 General] steadfasterX:
The extracted files are not archives and so cannot opened in in an archive program like 7-Zip .

(Ok 7-Zip is able to open some formats even if they are not an archive but discuss this with the developers of 7-Zip.)

there is no need to care about the filename extension especially on Linux . I could name the extracted files with a file extension of

modem.wtf

Or

modem.idontcare

It really doesn't matter. Linux and Android (so for example fastboot) does not care about the windows idea of identifying a file by its extension. There is no need to convert anything. It is just a name nothing else.

And last but not least the whole discussion here is so incredible off Topic so please stop it right now and move on to an own thread or at least the SALT thread .

thanks.
[G4 General] th3y:
Hi everyone, i have a question about this:

I want to flash H-ROMV30, but this zip contains a modem and a kernel folder, what should i do if i unlocked with UsU?

I think i will do this (Correct me if im wrong): FLASH Custom rom, FLASH UsU NougatModem, FLASH UsU Baseband TWRP.
[G4 General] fil3s:
Don't take it from me but try booting a mm rom like lineage os 13 to be on the safe side. I don't trust those stock based rooms..
[G4 General] adam_s_459_:
Why not? Just wondering
[G4 General] fil3s:
I flashed stock N provided by steadfasterX and had to flash baseband again after I tried reverting back to Mokee 7.1.2 and it bootlooped

Mm is safe afaik because it doesn't require baseband package

I could be wrong.
[G4 General] th3y:
Thank you for reply and talking about this.

I did this:

(Stock Nougat + TITANKernel) h815p (Is UsU'd)

1- FLASH H-ROM v30 2.2

2- FLASH N_modem_UsU

3- FLASH UsU_baseband_flash-in-twrp

4- Normal Wipe and reboot system, configure, and back to twrp

5- FLASH TITAN Kernel, reboot system, see everything is ok, and back to twrp

6- FLASH Magisk v16

Results: Working, no bootloops. If i saw a problem i will go back and edit this msg.
[G4 General] steadfasterX:
Flash hrom

Flash UsU baseband

Only LP does not require modifications. MM and upwards require either the UsU kernel or the baseband package flashed.
[G4 General] adam_s_459_:
That's fair but I find that the problem with bootloops lies in TWRP and if it doesn't then I don't know but I took a backuo of my stock ROM just after unlocking and flashing baseband. I restored it and it bootlooped. Not entirely sure why but it did. That's happened with other roms too and maybe it is a baseband issue but so far I have only had one successful backup:( so to me it seems to be an issue with all ROMs.
[G4 General] fil3s:
Dunno dude I m lucky I managed to pull the UsU off and get it all working properly. Lol I first flashed N UsU bootloader ( lucky I was on arbv0 ,then I didn't know what to do. steadfasterX said to just flash baseband when prompted and no issues
[G4 General] hey_joe:
Reading back again on this reply, I get the feeling that somehow I did an evil thing by asking about the extension and am being chided for it. Again I apologize if I offended you for being ignorant about linux as I just

thought blindly flashing something I don't know would brick my phone so decided to ask than regret it later, and I thought I posted in the relevant thread because the images I extracted are part of the modem stack

that are referenced in FAQ 5d and 5e. If that turns out to be false, my apology again. I've gone to delete the posts in question and you can ask a mod to delete more of my post you deem useless.

In any case, I thank you for the unlock that you've provided to us and I'm out of this thread.

thanks
[G4 General] adam_s_459_:
Lol when I was flashing UsU it told me I had a "CRITICAL ERROR" and to flash a kdz immediately or else I would hard brick my device? turns out there was nothing wrong and my device works properly. Scared me to death I swear.:mad:
[G4 General] steadfasterX:
no it was not about you. nobody can know everything but it had sound like one of these posts where someone with half-knowledge writing things which can confuse others.

sorry when i sounded too rude. I may really need a break after all this.. but i cant as long as not all problems are solved or have at least a workaround.

The Bootloop after restoring stock is one example. [MENTION=6302635]sdembiske[/MENTION] is helping me on that topic by doing things I suggest to fix it but this takes some time (and I do a lot more then just UsU and yes I have a RL too ;) ).

-
[G4 General] kjdoug:
GPT

I was able to successfully unlock my H812 but it took awhile. According the the original post if SALT says you have a GPT of 811 you have to install an 811 OS?! I spent an entire day trying to get an 811 OS to install but kept getting a "can't install this error" in TWRP. I even tried editing the script to allow the install and it still wouldn't install. Finally when I tried installing a H812 OS it worked and is now running smoothly.

Is there an Oreo custom OS for the H812? And if so has anyone installed it?
[G4 General] adam_s_459_:
What TWRP version are you running?
[G4 General] kjdoug:
TWRP

3.2.1 preview 109
[G4 General] David X:
Sorry
[G4 General] spartan268:
Depends on what you edit in the script. It should be the entire assert function there cause I forgot to do that too at first. Regardless there is a H811 oreo rom our there but I do not recommend it as there is video playback issues with it and sim detection problems with it. The video playback is h812 specific whereas the sim detection is an issue with the rom itself. If you're fine with putting up with those two things than its great. Otherwise I'd steer clear and stick with the more stable nougat roms.
[G4 General] අධිරාජ (Adhirāja):
Ok.

Who said automatically updating firmware will brick?? Have you tried it?? Also if you want to stop app updates, why not just install System App Uninstaller: https://play.google.com/store/apps/details?id=com.kunkunsoft.rootuninstaller&hl=en and uninstall it?? Why making it more complex by going into file systems and entering commands and all??
[G4 General] adam_s_459_:
The update would almost definately carry an aboot image in it which would yeild the same results as flashing a stock based ROM with one. Immediate los of unlock and hard brick.
[G4 General] අධිරාජ (Adhirāja):
Ok so when you manually flash 6.0 KDZ file, it doesn't carry an aboot image? And also, the phone doesnt automatically software update.. it will tell you that an update is available only. So whats the risk?
[G4 General] dagnusmaximus:
H815P Tried this and all is working good. Good sound, WiFi, and LTE.
[G4 General] අධිරාජ (Adhirāja):
Nice:good:

---------- Post added at 03:50 AM ---------- Previous post was at 03:46 AM ----------

How about voice and sms?

---------- Post added at 03:51 AM ---------- Previous post was at 03:50 AM ----------

Well I flashed 5.1 image using LG UP. I think anything on this phone is flashed using LG UP tool.
[G4 General] adam_s_459_:
The 6.0 KDZ has a 6.0 boot stack so that would be ok it's with nougat boot stacks that cause the problems I believe. I stand corrected if I'm wrong
[G4 General] th3y:
Hi, i own a H815P,

Did you use lollipop or MM to do UsU?

after its unlocked, do i need to flash a ROM? or just boot into the actual ROM?
[G4 General] hey_joe:
Went ahead and flashed a stock-based nougat rom. Everything works ok except there is no sound. From reading everything that's in the Faq, it seems to be related to the modem as the op had said. But flashing N modem and my baseband after didn't fix the sound. Anybody have an idea what else to try? H12 user here.

Thanks
[G4 General] dagnusmaximus:
After booting into TWRP for the first time following the instructions, I made a backup and flashed the baseband. Immediately after this, i flashed RR, opengapps, and magisk then rebooted.
[G4 General] TJtheBLueDragon:
Did you need Linux for this?

Or I can do it in VM?
[G4 General] doop:
Yes and Yes
[G4 General] mwahahaa:
I'm unlocked with TWRP thanks to steadfasterx, now I have to figure out which ROM to flash on my H812...
[G4 General] grantdb:
Great! I had a minute or two of freaking out thinking I bricked when I rebooted into fastboot and didn't have the twrp and baseband files because they were in the download folder on my device! I only have Hotspot wifi through my device for my laptop! lol crossed my fingers and rebooted and was so relieved to boot up no problems! Whew! So now unlocked and rooted on stock MM!

Thanks again for [MENTION=5545101]steadfasterX[/MENTION]
[G4 General] keeponjammin:
Yep. But maybe at the wrong step. I assumed I would flash it after flashing gapps and then baseband package.

---------- Post added at 08:08 AM ---------- Previous post was at 08:00 AM ----------

Could you tell me your exact steps when flashing? Seems I got them all mixed up.
[G4 General] steadfasterX:
This seems like a hard brick then. If you want PM me on that with the subject: unbrick infinity

It will require a windows machine with TeamViewer installed though.

Flash the lollipop modem partition of your device model nothing else. Then try again

Download it. Open the zip. If you see a modem file in there you have to flash the baseband package after flashing that ROM. If you see a file aboot (very unlikely) do not flash.

Read FAQ 6

Flash the latest lollipop version of the modem partition of your device model like described in FAQ 5

Read FAQ 2 which also is true for doing official LG upgrades

Your choice. While it is recommended to boot just once to your current ROM so you know all is working.

Read FAQ 6 and the OP again

Read FAQ 12

Read and follow FAQ 7
[G4 General] adam_s_459_:
Haha I was so scared for a second because SALT just closed the unlock process and I thought there was an error, I unplugged my device and it said "CRITICAL ERROR: REFLASH KDZ OR YOU'RE DEVICE WILL BE HARD BRICKED" Turns out it worked perfectly fine and i'm running Oreo now?. Thanks so much [MENTION=5545101]steadfasterX[/MENTION] you have made my phone good again.:good:
[G4 General] fates13:
Hey [MENTION=5545101]steadfasterX[/MENTION], I can't seem to get my lock screen set up on my VS986. I've tried both AOSCP Nougat and Lineage Nougat with multiple downloads and flashes and both force close Settings whenever I try to set up security (pin/pattern/password) on the lock screen. I had to flash the full Lollipop modem for the VS986 in order to get it to boot into Nougat properly. Do you have any clues on why this might be happening? Also, I didn't see this in the OP but are kernels safe to flash after the UsU unlocking process?
[G4 General] steadfasterX:
Every ROM contains a kernel so of course you can flash any kernel if you like. For your screen lock issue ensure that you wipe the data partition in TWRP . this is not the same than a factory reset so go into the wipe menu and choose format data and try again but keep in mind that this will erase all your personal data on the phone!
[G4 General] fates13:
Tried out your suggestion and unfortunately it didn't work. I factory reset > formatted data > flashed Lineage 14.1 > flashed modem in TWRP > flashed GAPPS > flashed supersu > wiped cache/dalvik > rebooted and security setting still force closes. :crying:
[G4 General] fil3s:
congrats on unlocking my H815t. i am now unlocked . it says after flashing n 29a bootloader and arb 0 baseband i need to reflash <your device model> usu.zip

which file is it for h815?
[G4 General] kjdoug:
Ok thanks!
[G4 General] coolboy123:
Is anyone else getting constantly stuck booting into TWRP? For some reason I keep booting into TWRP and can't boot into normal or download mode, I only have access to fastboot and TWRP. I attempted to flash stock rom, and it seems to have went through without errors with the correct basebands. Any ideas?
[G4 General] fil3s:
Latest TWRP?
[G4 General] Marsboi:
ya I have the h812 ....N works great but I think oero would be pushing it.
[G4 General] Ceezar:
My device is on stock nougat, to unlock via USU do i need to downgrade it to LP or MM for USU to detect it?
[G4 General] adam_s_459_:
I recommend downgrading to marshmallow, because if you end up using your backup it's on a later firmware but you can not do this on nougat
[G4 General] sdembiske:
Suggest you read the OP before jumping in with questions that are already either in the OP or have been answered already.

NOTE

: from the OP ...

Your device firmware must be LP or MM (while MM is recommended to avoid issues)

The important thing is that UsU is based on an ARB 2 based aboot (part of the bootloader stack) and so ARB > 2 will brick

I.E., Check your arb before doing anything - you may not be even able to downgrade let alone use USU without bricking your device. If you are able to downgrade use

only

LGUP-NEW as it will throw up an anti-rollback error if the kdz you're trying to flash is not appropriate for your arb version.

At a minimum do a SALT partial (basic) backup of your Nougat rom before doing anything, assuming you are able to proceed at all and then another one of the KDZ you downgrade to. You never know when they'll come in handy.

IF, you are able to proceed, start reading the OP and posts thoroughly, making sure you understand everything ...
[G4 General] Awology:
Hello guys, I've just noticed that its now possible to install TWRP and custom roms, and this is great news, however I have recently installed the stock N on my H515p and from what I have read and just sort of been confirmed in the last post is that we need, LP or preferably MM based roms.. I have just checked my ARB and its 0.. I am wanting to continue the path towards installing TWRP but wondering if its possible to downgrade and still proceed from here.

Thanks in advance for any help :)
[G4 General] fil3s:
I have ARBv0 with succesful UsU unlock but you need to use the20p kdz to go back.

Wait for [MENTION=5545101]steadfasterX[/MENTION] to confirm.
[G4 General] bird412:
i hardbricked my g4 by attempting to flash the nougat rom, then the 29a modem, then the baseband package. im sure they were all the correct files and everything, now my phone just doesnt turn on.

not sure if im just being an idiot but i cant seem to figure it out, can someone explain why?

also ordered a moto g5 plus cause i needed a new phone anyways
[G4 General] adam_s_459_:
Have you taken the battery out? does ADB recognize it? Did you try all of the key combos?
[G4 General] bird412:
ive tried the rest but not adb yet, it does show up in device manager as an unrecognizable device. it seems similar to some other hardbricks of g4s where it shows up as a qualcomm 9008 device but it doesn't show that for me
[G4 General] steadfasterX:
Read the OP or at least some posts up sdembiske's answer to the same question.

The term hard brick is misused often :

We can soft brick (means fastboot, TWRP and / or download mode are still available)

We can hard brick (means mostly the 9008 qdl mode or by flashing a lower ARB then before)

We can hard-hard brick (means even bridging 2 pins on the mainboard will not bring up life back)

So to understand what happened you need to explain in all details what you've done. Exact file names you have flashed are important too.

Besides that just saying g4 is not enough you need to tell the model name and your ARB before you started.
[G4 General] ANDROID2468:
vs986 can't make calls or recive sms but data is working on aokp

vs986 can't make calls or recive sms but data is working on aokp (update i change it to aoscp)

i try flashing the baseband_flash file but it woldnt find my sim card

the service state says voice out of services data in service
[G4 General] mwahahaa:
steadfasterx do you have any ideas on why my original TWRP backup made just after UsU unlock will boot, but is constantly freezing and lagging? I tried flashing that set of 9 lollipop img files you suggested in the FAQ (also tried MM matched to my carrier) but it didn't make any difference.
[G4 General] Awology:
OK, I have read through the OP and tried to understand and comprehend as much as I can..

This is where I am coming from. I have the H815P which I has been recently updated to the stock N via the LG APP.

I understand that, I will have to downgrade to either MM or LP in or to install salt and get it running properly, and that I need to use a specific kdz namely the 20p kdz otherwise the LGUP will fail during the update or somehow not complete.. Could any one point me to the where I would get the specific 20p kdz for the H815P ?

A question I have which is relates to the FAQ, It seems to say or perhaps I am reading it wrong that when coming from the Stock N, its possible that one will come into such issues as, no cell service, no bluetooth etc, and it seems like correcting this is pretty technical and I am not sure if the fact I am coming from a Stock N is going to cause more problems or is more likely to have issues as that is the feeling or i sense I get after reading the OP.. Is there anything else I am missing here?

I kind of regret updating to the stock N but I had given up hope that this would ever happen, I would still like to get TWRP and access to some of great features available here, and I appreciate any help.
[G4 General] sdembiske:
- Install SALT Read the OP in that thread and make sure you understand it.

- Do a backup in SALT of your installed N rom. Note the arb version and the gpt compatibility and write them down. If your arb version is greater than 2, do not proceed any further.

- Download a Marshmallow (MM) kdz for your carrier from here: https://xdaforums.com/g4/general/tool-salt-lg-revolution-t3717864 - a later version (e.g., b instead of a) would be best.

- In SALT, extract the MM kdz you downloaded and note the arb version - if it's the same # as your currently installed stock N rom, you are good to proceed. If not, look for another one to try.

- Assuming you are safe to proceed, downgrade to the MM kdz with LGUP-NEW

- do a SALT backup again of your newly installed MM rom

- proceed to the installation instructions in the OP in this thread and follow them exactly. Make sure you understand that once you go this way, you cannot go back ...
[G4 General] bird412:
I got through the entire unlocking process on my LG G4 VS986. installed twrp and all that stuff.

flashed the G4_ARB-any_v29a_FULL-STOCK-ROM_UsU.zip, rebooted into recovery, flashed G4_29a_N_modem_UsU, and then flashed VS986_UsU_baseband_flash-in-twrp.zip without rebooting.

i took the back panel with screws off today and attempted to short the motherboard like in some forum posts, and it showed up as the 9008 device under usb devices in windows, and then it just wont respond to anything now. no boot, no led, doesnt even vibrate.
[G4 General] steadfasterX:
Yea doing random things is the first step in completely bricking your device. Next you tell me that you have used qfil..

What was your ARB when flashing UsU??

So after flashing the stuff you rebooted from TWRP to system and what happens then? Directly the black screen? Or does it boot up once at least to the LG logo for some time?
[G4 General] steadfasterX:
No logs means guessing.

dmesg, logcat from within running android needed.
[G4 General] bird412:
ARB was 2, and after i flashed the last zip file i hit reboot and it went black and it hasnt done anything besides being recognized in windows for a bit.
[G4 General] austinbailey9422:
So this is probably a dumb question but is this working with the vs986 lg g4? I thought i read it was,but i,cant remeber.
[G4 General] fates13:
Use the search button and search "VS986". I've stated what works on the device and what doesn't as well as what you need to flash to get it working.
[G4 General] sdembiske:
Try to remember this:

- Read the OP, again.

- scroll up to the top of this page (or any page in this thread, for that matter), and look at the last line in the poll.
[G4 General] steadfasterX:
Just as a side note the unlock was successful as you were able to boot into fastboot and even TWRP which means everything seems to went fine regarding the unlock process itself.

The problem starts after flashing zip files in TWRP. Please verify and give the md5 sum of every zip file you have flashed.

Well then it would be helpful if you would share the salt log file after flashing UsU. Do you had any errors or warnings while flashing UsU ?

Which exact TWRP version do you have used ?