yashsingh1/xdaforums huggingface dataset:
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] Cryovenom:
So you have an H915 and managed to get LOS 18.1 loaded and everything working including LTE?

I'm still running into issues. What's your basic process for this? Something like...

- Start with phone running H91510e_00_VTR_CA_OP_1205.kdz (dirtysanta-able H915 Nougat)

- LGUP PartitionDL all the partitions from US99610f_00_1205.kdz (US996 cross-flash)

- DirtySanta to unlock bootloader

- Load TWRP Recovery (which version? I couldn't get one that would flash Lineage so I used Lineage's Recovery instead)

- ADB Sideload LineageOS 18.1 H910 version, MindTheGapps

- Use TWRP to load freedom modem .img into modem partition

Is that about right? What am I missing? Did you have to mess with the boot/aboot partitions at all? Are you still on the engineering aboot that gives the error on startup (but has an unlocked bootloader)?
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] killer23d:
I had a practice run with H910 before and I am very experienced with various Android flashing since Donuts days. I will skip the commands and details since it's something you need to know.

I kept a full backup (minus User data) with patched LGUp before everything

I did not touch the aboot, thus I get the corruption message. If someone has a solution for that, I will take it but not a deal breaker.

I used this guide as reference: https://xdaforums.com/t/guide-tutor...sing-dirtysanta-h915-working-signals.3763981/

Which part you run into issue?

Step 1 - 3 are correct

Step 4 - Download and copy the latest v3.5.1.9 TWRP US996 into the device, flash within TWRP w/ Install Image option as Recovery. Reboot Recovery

Step 5 - in TWRP, Format Data and Advanced Wipe System, Dalvik and Cache

Step 6 - Sideload or copy/install Lineage 18.1 H910, I added NikGapps Core and Magisk

Step 7 - Download and copy the Freedom Modem IMG and use Install Image option in TWRP as Modem. (this only needs to be done once)

Step 8 - Restart to System

I am able to get my Fido data SIM working immediately since LOS has the APN already.

If you have Fastboot and TWRP installed, your Bootloader is unlocked. The most confusing part of the guide is the multiple command line windows during the flash of aboot. I tried twice to get the sequence right.

If you need to setup V20 as DAP, this is the mod guide. https://audiodigitale.eu/?p=297
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] hamid_valad:
I have an issue on my friends phone. (H990DS)

after trying to install this, and after booting the phone for the first time and during the setup, it asked for the password! like the phone new that rom has changed and it is not a clean setup!!! I wiped everything and installed this. can you help me what is the fix?!?!

I mean how can I make a clean slate?!

not dirty flash!

TWRP wipes, then install from memory. what else? what am I missing?!
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] pavik62:
Форматирование data TWRP, потом установка с памяти.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] Cryovenom:
@killer23d you are a gentleman and a scholar! This was exactly what I needed to fix my process! I never would have thought to flash new TWRP from old TWRP, and I wasn't wiping System partition before.

@npjohnson I can confirm that I've loaded the H910 Lineage build on two different H915s and everything works. Getting good speed with LTE, calling works, Wifi, Bluetooth, the works! Think we can have a build that identifies itself as H915?

The process is finicky but totally do-able once you've done it a few times. I don't know what Lineage's process is for their Wiki articles on how to load the OS, but I can write a detailed thread on how to load it onto an H915 (including unlocking the bootloader and whatnot) if you want to link to one that's recent (so the download links aren't broken or buried 30pgs deep). Anyone know any good long-term file hosts?

Jon
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] npjohnson:
No. If you have to convert to us996, it isn't h915 anymore ;p

If someone wants to get a lineage build running on h915 firmware (don't think it's possible due to lack of bootloader unlock on h915 without converting) - then we can.

I'm down to link the instructions in this thread if someone puts them together!
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] killer23d:
Technically this is a frankenstein build with H910 ROM and H915 modem. Basically the instructions of the wiki must include cross-flashing and such

TBH I don't care what this is identified as, it doesn't make a difference since TWRP would just ignore the device ID and flash away.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] npjohnson:
Which is why we won't be officially supporting H915. Again, if someone makes easy to follow instructions, I'll link them in the OP here though!
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] killer23d:
I noticed the DAC would change to 16bit from 24bit if I let the phone sit idle for hours or days. It can be easily fixed by doing a shutdown and it will be back.

I will need more observation.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] didnt1able:
Coming from lineage 17.7. Do i need to flash stock to install 18.1 or am i good just doing a clean install over 17
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] Epifistu:
How did you observe that?
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] BloodyIron:
Hey Dude, any word on the magnetic sensor for the flip cover, and/or the FM stuff? Hoping it went well! :D
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] killer23d:
Nevermind, it was me using Poweramp EQ and Player at the same time. Once I disabled Poweramp EQ and 24bit kicked back in.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] mangokm40:
I did a clean install of 18.1 on my phone that still had the UNOFFICIAL

16.0. I don't think you need stock. :)
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] npjohnson:
Oh yeah lemme look
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] BloodyIron:
Look? Come again?
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] npjohnson:
I'm saying let me look into it, I had forgotten.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] hibby50:
Bumping my own question, anyone able to test android auto on this ROM and confirm if it works for them?
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] Ascii3:
I have freshly installed the lineage-18.1-20210617-nightly-us996-signed.zip official build of LineageOS 18.1 on my LG V20 US996 after coming from stock Android Oreo.

I am having a problems with System UI hanging when either:

A wrong password is used to authenticate a WiFi connection; this is when connection to a WPA2-PSK style access point.

An access point that presents a captive portal is connected to. After passing the captive portal authentication, System UI hangs. EDIT: Passing captive portal authentication is not really necessary.

Upon reboot (best use adb daemon for this), the System UI typically hangs again after a short while if WiFi is left on. To workaround the issue, the network information for the particular saved networks should be purged (forget). This is easier to do if one first turns off WiFi.

Other than these (somewhat severe) issues, the networking appears to work.

@npjohnson - Please look into this issue or let me know what may be done about the issue.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] SeongGino:
Not sure if it's just me, but I'm noticing the WiFi seems to shut itself off after a certain amount of time - inactive or otherwise; I just had it turn itself off while in the middle of streaming video.

Also having issues with Bluetooth, specifically my Pebble Time is disconnecting after some screen off time, and it's unable to reconnect like it should unless I toggle the BT off/on. Said smartwatch works and reconnects as it should on my primary A10 phone.

Using H918, June 10th nightly over top a former Nougat 10P installation.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] 28charro:
I have LG VS995 verizon i installed lineage-18.1-20210622-nightly-vs995-signed, everything seems to be working allright but phone calls,i can call, but i can barely get phone calls,and if my phone rings it would be after 5 or 6 calling tones on the calling phone,i made no mods stock only,no magisk or anything else.

Anyone else is having the same problem?
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] npjohnson:
Log like the wiki details pls. The logs will help debug it.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] wayase8080:
Yeah, I had that same problem too. I took it as a learning experience and now I remove password verification before doing a backup to avoid exactly this. As for what I did; I started over.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] wayase8080:
So the proprietary DAC works now, or do you have an external one?

I have that same problem over at official 17.1 as well, turning the WiFi off/on works.

I was lurking this thread to see if very specific things got better, but it seems not. I think I'll wait a little longer before upgrading.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] Jim SparrOw:
Did you guys able to install big games like C.O.D or app with obb install from play store? I had this error say can't install after downloading. And I can't even access odd folder and data folder. and does fingerprint works on your device? I am using H990DS.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] hamid_valad:
thanks for your answer, but as i wrote, i wiped everything. your help is appreciated, but please read what i wrote.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] Rom1995:
Not sure which update started the obb read restriction but i have that problem as well when installing even in playstore it will error out. Fingerprint is working for me except for vulkan.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] Jim SparrOw:
Thank you for your reply. It is really sad. It is the only reason why I switched back to last LineageOS 17.1 build. If it allowed games to be installed from play store I wouldn't switch. :/
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] hamid_valad:
Can I ask for a feature?

default for volume key to be ringer volume? or to be able to select?

also GPS and BT connection did not change from unofficial version. :(
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] coogans_bluff:
Sorry for pulling this up again...I still have that issue, even with a new SD card.

I want to try a different GApps package after a fresh install...which one do you folks like most?

Bitgapps? Nikgapps? Thanks!
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] mmsp15:
I've been having that exact same issue. Doesn't seem to the file type as long as it's a moderately sized file copying from internal to external or the other way around.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] xxseva44:
Seeing as this is a kernel crash and not a system ui crash/os reboot, this is probably related to something else although, you can try nikgapps core and see
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] coogans_bluff:
Thanks!

It started after I uninstalled NikGapps and installed MindTheGapps, a couple of months ago. Hence my clue that it seems to be related to MindTheGapps. It worked fine with NikGapps, but GPS lock time was awful...

Has anyone experiences related to BitGapps and LGV20?
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] xxseva44:
Gps locktime issues are common for the V20 on custom roms, you can use this to help

https://github.com/JonasCardoso/optmizedgpsconf
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] hamid_valad:
Can I ask for a feature?

one hand/single hand mode would be very helpful. :)
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] coogans_bluff:
Seems like it is not available anymore, neither as download, nor as Magisk module...
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] Cryovenom:
@npjohnson I've made a thread here:

https://xdaforums.com/t/h915-installing-lineage-18-1-unlock-bootloader-twrp-root-optional.4298797

Though I'm still troubleshooting some crashing that I get related to the modem sometimes. Any feedback from anyone here who might have ideas is welcome. I saw someone mention flashing a newer kernel...? but I'm not very sure about how that works at the moment.

I think that I might actually be able to do this without cross-flashing to US996 first but that's going to take more experimenting.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] xxseva44:
Hmm strange, i'll see if i can find it
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] ssurell:
😅Phew! Calamity over. I thought my V20 was a goner after getting soaked. Backlight is working again after a couple of days; there must have still been moisture inside somewhere. One thing I learned while trying to find a replacement for this phone: There is nothing else like it available. Fairphone 3 is the closest thing, but good luck finding one in the US. The Samsung Xcover doesn't have any developer support and near impossible to find since it's some secret agent phone or something, I guess because you can take the battery out?

Haven't had many problems with LineageOS on the US996 coming from Oreo. I am degoogled MicroG edition, so none of those pesky services or receivers. USB-C hub HDMI output to extermanl display is working fine. GPS is bang on. Quad Dac quick setting toggle seems like it works. Don't need fingerprint, encrypted data, and have froze all NFC things. That's how I roll, and it's been a solid performer with amazing battery life for basic phone related things. I notice video streaming gets jittery if I set i/o read ahead relative to standard of flash storage size (1024KB internal and 2048KB external).

Audio issues: Internet audio streaming cuts off the beginning of songs with old Pandora app I've been using for many many years. It's like it doesn't know when to switch audio on until the stream is well into it. Commercial starts fine, but the music stream has this odd behavior.

USB audio looses it's mind if volume is over 50% when plugged into my sound bar (through powered USB-C hub); like it's trying to engage some kind of protection, fluttering the volume level and eventually just stopping play or going silent. Maybe I need to try a different soundbar other than this new Dell (came with enterprise PC and monitor) because I can use a USB to aux cable adapter and turn it up all the way with no problems.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] fikhl:
Hey. I'm currently running the official LineageOS 17.1 ROM on my international H990 V20. I'm looking to upgrade to 18.1.

According to LOS instructions, it's not possible to upgrade to newer versions of the LOS through the updater app, which is unfortunate.

I was wondering if it's possible to clean install 18.1 through recovery?

Thanks.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] ssurell:
Yes, that's the recommended method. I'd dirty flash (pre cache wipes) from recovery and see what happens. You can always clean install if it's buggy.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] fire219:
Hi, I recently installed this ROM on my H910. It feels like a dream overall compared to the stock Nougat ROM I was running for years!

Unfortunately, I've run across a rather severe issue. In many locations, I end up with very spotty signal (for both voice and data) where any other phone (or the same phone on stock ROM) works fine. With enough persistence I can generally still get data through (albeit slowly after minutes of wait), but calls will drop immediately in or outbound.

I suspect this may be an incompatibility with the modem firmware and LOS, but would like a second opinion. As stock, this phone was running 10L, and had been since I first got it.

If this is a modem issue, how would I go about resolving it, given that KDZs don't exist for AT&T variant phones?

Thanks.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] antropenko:
I would like to thanks for the ROM. Installed on LG V20 H990DS AME

Enjoying most parts of it, feels fresh. However, my lte speed are not getting above 10 mbps but on LG Stock I was getting close to 100 mbps. I am guessing I am having issues with modem. Is there any modem firmwear I can flash ?

Thanks in advance.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] coogans_bluff:
I got that problem again..still, even after a fresh formatted install with ONLY Lineage 18.1, newest version.

Why what and how? Clueless. LG-H990ds

It happens when I copy or move a large file, e.g. the LOS download, to the external SD card (brand new).

Thanks a lot!
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] Sparkingdog:
I am using H990DS TW version .I came from stock rom to LOS 18.1 with Gamma Rom. For several day use of this rom , here some thought of using the phone:

Pros

-Android 11 work seamlessly on this phone

-The latest version of Magisk23.0 works perfectly

-Quad dac seems work very well

-The second screen works same as the main screen

-The screen burn issue fixed by changing the screen kcal color

Cons

-I think the phone battery drain lot more faster than the stock one

-I can't download some big apps from playstore , I need to use apk to install several big apps

Using LgV20 H990DS, flashed with LOS18.1,GammaKernel, flamegapps ,magisk23.0
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] Rom1995:
Does any of those apps use obb? I tried a few big apps that uses obb on playstore and it doesnt install. Even manually install the app tried to access obb cant read the files. Just asking just to make sure i dont have a broken install
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] hamid_valad:
unfortunately IR-Blaster does not work for me, also screen cast is not working either.

I also have an app that used to work on unofficial rom but now it does not work on official. no clue on why!

Camera still freezes even when i use whatsapp and instagram. :(

I really liked one hand operation which is missing here, alongside clipboard history! :(((
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] Sparkingdog:
I am not sure but I think you are kinda right

Try to use Gcam,it works perfectly!!
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] dennnnnnnis:
Try using the stock(h990n) gps.conf file. This fixed the lock time issue for me. Takes about 15 secs to lock when using GPS locker.

However, the GPS seems to only function when using Google Maps. Other apps like OsmAnd+ can't use the GPS. The little GPS icon doesn't show in the notification area. Anyone knows why?

@coogans_bluff I had similar issues as you. I'm using a h990ds and my sd card got corrupted twice. But now the problem seems to be gone. You may try formatting the sd card using a computer instead of using the phone. I think that's the source of the issue. You should not have the "tap to fix" message when the sd card is inserted. Also use the sd card as external storage only.

I have kernel panic only once in a few days which is great. It happens sometimes when copying files to SD card just like what others have stated.

The biggest problem I face with this rom is the camera. It doesn't work all the time no matter which apps I use, such as whatsapp, signal or gcam. It will show the preview just fine, but when I press the shutter, it will freeze or just take a green photo with no image at all. It does work again after a while.

Any suggestions?
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] hamid_valad:
nope, GCam on my phone is faaaaar from being even ok, let alone perfect!! and how is GCam related to Whatsapp? can I video call using GCam?

How can I know why an app is not working here (though it was working fine on unofficial rom)

Thanks for the zip file. can you please help me on how to use it? should I flash using TWRP?

I have the same issue. :(

sometimes it works, but when camera decides not to work, it does not matter what app you are using. it just wont work.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] mangokm40:
I use OsmAnd+. It's working great on an h918.

Did you make sure OsmAnd has the right permissions?
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] antropenko:
Hello guys, for anyone interested in my LOS 18.1 story. Firstly, I was able to restore my modem performance by flashing latest stable gamma kernel.

You can find it here on Telegram channel - LG V20 Kernel AOSP lybxlpsv

SO I have been having issues with very low volume of voice messages in Telegram and WhatsApp. As has been said LOS is not using the full potential of LG's V20 triple mic set-up. So the issue is certainly with the Tasha audio files. I thought by flashing files provided by Omar the issue will be resolved. But it did not. So I spent a whole weekend understanding how android and LG hardware work together.

I would like to reference this post for DAC refers engineering as I was using it for understanding how the DAC works with android.

By changing the Tasha file I was able to achieve the result but in the zip file attached I have added additional files which I took from stock LG rooted Oreo software

PLEASE let me know if it works for you and have a great working week.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] aCIDsLAM:
When having heavy write load on my extsd (exfat), with for example the backup function of singal messenger app (its 1.5 gb big), the phone restarts and the filesystem of the card is corrupted and needs an repair.

This happens with all sdcards i have. When i flash the latest gamma kernel, this problem dissapears.

I tried this several times vice versa. i would rather not use gamma but atm, this solves my problem.

I use H918. Somebody else noticed this?
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] SeongGino:
I've moved just as much data between internal and external storage, no such problem on stock kernel.

Must be an overheating issue, which isn't relevant to Lineage. 🤷
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] xxseva44:
Yea this can happen, it's a widespread issue affecting more than just lineage, not too sure what it is although i believe it is kernel related, could you specific about what version of gamma your using? this could help narrow it down
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] xxseva44:
Nice, i'm curious to see how each variants performs with this, my tasha xml fix seem to work fine on us996 variants(h910, h915, vs995, us996) although others such as the h990 dont seem to play well
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] aCIDsLAM:
Okay. Thanks for trying to nail it down. I am using this zip file:

lge_msm8996_gamma-h918_2021_07_01_10_34.zip

Thanks
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] antropenko:
I have updated the zip archive as the previous setting were interfering with the Quad DAC, now it works great.

I am planning to enable triple mic functionality in google and open camera, by redirecting some paths to LG defaults.

Modem problem got fixed by just changing the Preferred network type to LTE/TDSCDMA/CDMA/EvDo/GSM/WCDMA. I am using VOXI – UK network.

Actually, had to reflash recently as tried updating the LOS and failed to do it.

I tried using stock kernel with which LOS came. Certainly it is less efficient than lge_msm8996_gamma-h918_2021_07_01_10_34.zip but the phone UI seems snappier. I bet it is because LOS kernel just boosts the CPU frequency a lot more harder, so the battery drains quicker. I personally, would prefer a bit less battery optimisations on the gamma kernel. If anyone knows, how can I do it myself, please let me know.

Also, if anyone interested, I have recently purchased the

PERFINE 4100mAh Battery and after the old LG battery, I was getting closer to 4000mAh in accubattery. From just using it, it is very good comapred to other batteries I tried from Amazone uk.

Thanks. ​