yashsingh1/xdaforums huggingface dataset:
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] MarovEsnaen:
For additional information, the reboots just happened to me again. And after boot, the battery is drained a lot.

I start using my phone at 13.00 the battery is 100%. I use my phone as usual and after something like 80% the phone reboots. It (the reboot) repeats like a bootloped phone but entered lockscreen instead of stuck on bootanim/logo.

Then it keep happening.

14.35 is at 59%. Reboots again after i click on an app (the app didn't even opened) the mobile data is on.

14.39 at 57%

And at 14.43 it's 3%

Hope the information helps
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] AShiningRay:
Definitely a battery issue in your case, since that's exactly what happens on my bad OEM battery, but not on my 4100mAh perfine.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] MarovEsnaen:
Ahh, no. Looks like somebody needs a new battery
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] Draknodd:
Under 50% battery I get continuous reboots. I can't keep the device on for more than 30s
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] MarovEsnaen:
It is fixed on my phone (kinda)

Try to disable the animations, and then turn on battery saver, turn off 'disable when fully charged'

Or try reinstall LOS before those steps
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] AShiningRay:
Install AccuBattery, set it up, fully charge the phone 4 or 5 times, then post a screenshot of the battery health. This sort of thing happening below 50% is really strange, not even my old battery does that... it only starts randomly rebooting when it's below 20 to 15%.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] loyukfai:
Open Camera can access all 3 cameras

Is there anyway to enable same support on Google Camera?

Thanks!
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] MarovEsnaen:
The gcam does support all the 3 cams. Try MGC 7.3.018 or fu24 6.1.021
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] MarovEsnaen:
One more question :

⚠️

Your device is corrupt.

It cannot be trusted

And will not boot.

Visit this link on another device :

g.co/ABH

Your phone will power off automatically after a while.​

On custom LG V20 H990DS

Can I get rid of this message forever and keep using custom rom?
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] dextructor:
There's a full dedicated topic about that. Do I recommend it? No, because it will disappear in a matter of seconds, but you threshold of what bothers you and for how long, only you can answer. And it will varies according to your model.

And to be clear... Any mods involves risks and they are very clear on the thread, so read it all.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] dextructor:
Apparently there's no easy way to buy any of this Perfine's batteries anymore.

At least I couldn't find on the major sites and search engines. On Aliexpress they don't sell anymore with the exception of the 10500 mAh extended battery that I don't know if it's genuine or not. I would be interested on a extended battery in a scenario of a long travel and without possibility of charging available.

So any recommendations of brands?

And I was testing the latest build (2023-05-28) and I have 2 questions (feel free to reply as well @npjohnson ):

1) I didn't understand the commit FMRadio: Generalize Built-In FM Antenna support because it don't have the FM Radio app on my drawer anymore. No complains, the last time that I listened radio that was about 18 years ago, but I'm trying to understand where this is going.

2) In Lineage 18 (I'm taking my experience with my OP3) it had the tile of volume media controls on quick settings and it was great for me, but even on the latest build available this tile doesn't exist. There's any plans to implement it?

Thanks again devs
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] npjohnson:
1. That's a platform commit that doesn't apply to us directly.

2. I don't recall that tile?
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] dextructor:
1) So the device don't have FM Radio, because I remember the early builds that it has the app, but didn't do anything, because reasons you had. But it was removed until you guys fix it, right?

2) Sorry, because I didn't use the Lineage 18 builds as much on my V20, because my last device was the OP3 and I really was something that I used a lot to adjust without needing the physical buttons that with time became more loosely. So i got some screenshots with scrcpy since my screen it's broken. This feature was removed from Lineage 19 base code?
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] AShiningRay:
Perfine batteries have been renamed to "heliotion" on AliExpress from what i could find. I have one of those which i purchased last year and it's indistinguishable from a perfine in both visuals and quality, though its quality can vary of course.

Never tested 10500mAh batteries either, i don't really see a use for it in my case.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] Draknodd:
I did more testing to understand better what's going on.

The battery has nothing to do with it since the same behaviour happened with the battery full charged and it didn't happen with stock rom.

I can keep it powered on without reboot for some minutes if I set the scheduler of CPU and GPU as "powersave" right at boot.

One thing I noticed is that the GPU temperature right after boot is really high, >70C while the cpu is at ~50C
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] AShiningRay:
GPU temp is actually CPU temp in 4.4, assuming you're using kernel adiutor/smartpack or any similar kernel manager. We made no changes to qcom code in that regard so those apps are probably expecting the 3.18 kernel sensor setup on Snapdragon 820/821 given how few of those SoCs are running 4.4.

Edit: Although this part about governors reminds me that we still need to tweak "interactive" to favor lower clocks a bit more, it still boosts more than it needs to.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] dextructor:
Thanks for the reply. Unfortunately I couldn't find this specific brand available anymore on Aliexpress.

But, when I was searching for this brand I entered (with help of translation tools of course) on the V20 Accessories Thread on 4PDA (it wasn't available in Google search results for me), and in the battery section everyone's links pointing to items that wasn't available anymore.

Then one link that supposed to be for an Losoncoer redirected me to this page and it was for an Perfine!

So I'll see what comes from this adventure, because in my opinion most (if not all) search engines on sites are broken by design so you as a consumer buy whatever crap it's available, or push some brands that otherwise you wouldn't buy. (if I'm not mistaken that's an case against Amazon going on about this)
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] cr08:
Just loaded this up on my old H918. After a few headaches of my own doing, it's running great.

My question is this: Are there any kernels or tools available to undervolt or otherwise help get the overheating in check? That continues to be the one major issue with this phone at least for me is how easily it heats up under the lightest of usage.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] AShiningRay:
Your best bet would be Swan2000, there's a thread for it in this dev subforum.

But as always: Do at your own risk, as you won't be eligible for support on this thread if you're running it unless it's a really general issue that is confirmed to happen on the official kernel as well.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] loyukfai:
Just wondering, D2TW still not working 100% all the time, is it still being worked on? Thanks a lot.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] MarovEsnaen:
If DT2W does not work, try T3W (triple tap to wake) just one more extra tap
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] AShiningRay:
It's in the list but it's not high-priority right now, the plan is to update the trio (V20, G5 and G6) to LOS 20 first since we're rather close... unfortunately i'm very short on time lately and the same seems to be true for the rest of the dev team, hence the slowdown on device-specific fixes.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] loyukfai:
thx I'll try!
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] Draknodd:
I did one more test: I reflashed LineageOS with a full wipe and format data. Now things seems to be working fine, no reboots, no weird overheating but I noticed that both the BIG and little cpu clustered never go past 1036 MHz. IS this intentional?
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] AShiningRay:
It is if BCL is being triggered nonstop, as those are the exact frequencies it caps the CPU to if it detects an issue with the battery or anything related to it.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] Draknodd:
That's weird because I'd expect the same behaviour to apply even with a stock pie rom.

So I'm trying to disable BCL with a init script at boot and check if I get some random reboot. I will try to drain the battery up to 15% remaining to see if with different battery voltages I get instability or reboots and then report back.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] MarovEsnaen:
I asked so much questions, but i still got some

It would be nice if the devs replied

A. Request :

1) Can the 2 and 3 button navigation be editable? I like the back button on the right.

2) There are no rotation button when i'm using 2/3 button nav. While in gesture nav, there is. Can that button be added to the 2 and 3 button nav?

3) On LG's android 10, there is a per-app volume control. That i can't find in other phone. It will be beautiful if added to LOS

4) Can a feature like per-app notch cutout/extend be added?

B. Questions :

1) Can I install LG apps like camera, gallery, etc?

Thanks a lot
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] npjohnson:
3 button already is, 2 button no.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] yesimxev:
Hi, USB tethering doesn't seem to work. When I enable, it creates usb0 interface, but the same Windows PC shows unknown device: RNDIS. This kind of stuff never required driver to be installed as it should be a generic rndis network driver. Do you have a specific driver to be installed from now on? On Windows 10

EDIT: Selecting Remote NDIS based Internet Sharing Device manuall in device manager did the job. Wondering if there's anything need to be modified in the Lineage kernel/OS to let windows automatically recognise. On Lineage 18.1, this wasn't needed. The only difference so far is there's usb0 created instead of rndis0.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] jmichael2497:
@dextructor the quick settings tile for volume panel was removed after LOS 18 because it is also missing from my LOS 19 and 20 devices.

i found the open source https://f-droid.org/packages/com.asdoi.quicktiles to be good enough replacement.

(and considering how some hardware buttons are easily damaged or worn out, i appreciate all the software alternatives like LOS and these little custom tools to extend the device usefulness, good work everyone on avoiding e-waste 👍🏽)
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] QkTreasures:
So any update if IR Blaster for remote will work with this and also FM Radio? I have a T-Mobile H918. Or is there any other Time other than stock that I should look at for this? Also what about the 2nd screen? Thanks Ron & God Bless You.

To God Be The Honor, Glory & Praise.

To Be The Best, You Gotta Be Wiser Than The Rest! 😉
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] Arya_3RDNumber:
Hello there. I have simple question about SDCard.

This is first time using LineageOS after stock Oreo almost treat as obsolete OS.

Is it possible to make SDCard work without formatting? Actually, I just using SDCard for stores music, photos, video, and some simple files. Is it still readable/writeable if I use SDCard as Portable Storage? or Should I choose as Phone Storage?

I've been read if somebody unable to use SDCard even already format it many times in LineageOS 19.1. This make me worry because I'm using 128GB SDCard which mean need spending much time to do backup to my PC.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] dextructor:
Already announced by one of the devs here and confirmed to be working, here and established to be working on all variants here. The FM Radio I don't believe that anyone has pronounced yet.

Yes it is, if your sdcard was previously formatted in a file system that your device can recognize. If you search next time you only see that one person have problems that couldn't be reproduced by one of the dev team members here. Many users like myself have used and no problems whatsoever.

So please @Arya_3RDNumber and @QkTreasures I know that reading 14 pages of this thread my be time consuming, but the devs spent much more time making sure that things work and many other bugs fixes and improvements that we as community aren't aware,

so search before posting

, ok?

I'm really gad by yours suggestion, so latter today I'll try it. The touch "technically don't worn" out so it can outlive the physical buttons and in many situations are convenient this type of controls (I still prefer physical buttons on most cases if they are built to last, but that isn't the reality on most devices).

Thanks!
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] Arya_3RDNumber:
Yes sir. I did :). Though I'm asking because not sure to do it if something messed. Then from your answer, seems it still should format my SDCard because I never use LineageOS before.

Thanks for the answer :). Will try to format my SDCard ASAP.

Edit : Done formatted SDCard though it was failed at first attempt when it reach 40% (error java.lang...... I forgot what is that said). After error seen, my phone freeze until I need to manually remove battery. I checked my SDCard at both Storage Option and Recovery mode was unreadable. Trying 2nd time still error seen at 40% progress. My phone laggy for few sec then soft rebooted. Not expected about successful, it turns out my SDCard was able to use both as Portable Storage or Phone Storage.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] dextructor:
I usually don't try to do things on the phone as much if I can do on any more capable device (a computer).

Soft reboots happen on my device from time to time, but since my OEM battery it's really tired from all this years of good service it's understandable.

And I formatted my sdcard on my computer using exFAT file system with 128k "allocation unity size".

The dev already advice against using even the best sdcard available as internal storage for the motives are quite reasonable, but it's your device, your choice and the responsibilities/consequences are up to you.

"Just because you can doesn't mean you should" - That's a good rule of thumb for many things in life(not only in tech)

So if any more problems still appears try to format on your computer and report after more testing.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] Arya_3RDNumber:
Same here, bought new local brand battery and use it for 1 week at Stock Oreo ROM can reach 1% then normally shut down without problem.

Thanks for the advice and reminder :). So far I don't have problem with SDcard as portable storage (seems I don't need use it as phone storage though). The main problem now is suddenly reboot/turn off when battery reach around 50%-58%. At under 65%, phone frequently reboot/turn off when I'm using some apps. Trying underclock it to 1920Mhz(big) and 1228Mhz(little) in Smartpack Kernel slightly helps but not much.

Don't worry, I just reporting or (sharing?) my case, not intend to complaining or asking help :). Been read what the devs said about BCL in 4.4 kernel.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] dextructor:
In my case it happens, but the most guaranteed method of rebooting my phone under usage is: Make a Telegram video-call.

The only way to make things a little bit more stable for me was using the extreme version of Swan2000 (that has undervolt but keep the stock clocks) and when doing a video-call change the governor to conservative.

I'm waiting for my Perfine batteries arrive so I can test finally a good quality battery. And I'm almost sure that the battery it's one of the culpirits because even when I was on stock ROM the phone reboot itself on almost any % below 50 and couldn't keep it on when it was 10% or less.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] Arya_3RDNumber:
I see. Well, I will try to use Swan2000Kernel later.

If the problem still persist, I will try go back to stock Nougat with locked bootloader to make it sure, before I buy another Battery to make a test. Right now I don't have another battery to testing. The old one was kicked out elsewhere xD.

Oh just in case if you curious my method to flash LineageOS, of course I came from stock rooted Nougat, not the Oreo. I was using A-O Oreo ROM then downgrade it to Nougat using flashable downgrade method. Then I instantly flashed LineageOS from Nougat before testing the battery more. This is why also I interest to give try battery test at Stock Nougat locked.

Update : Was back to stock Nougat with locked bootloader using US99610p and also try at US99610f firmware which have same results. I'm sorry, my bad that was by battery actually the main culprit. I'm really not sure why this happening because first day till 5th day my new battery working normally. 2 times I tried to use it till 1% can be normally shut down. Just when I came to LineageOS 19.1 my battery was change the behavior. Now I'm trying Unofficial Build LineageOS 19.1 by npjohnson while waiting claim return process of my new Battery from shop.

[Q] Now, I have question because I'm worried about this issue. Is hardware problem possible to causing this battery problem? Been years using this device with changing batteries almost 2-3 times and this is so new time I'm facing problem like this.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] cikenkari:
Hi,

I tried and i think USB thetering doesn't work.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] loyukfai:
Not complaining but T3W also doesn't work more than not

Cheers
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] jmichael2497:
for best reliability, you should use a Win/Lin/Mac and official https://www.sdcard.org/downloads/formatter but as long as it was not previously formatted as "internal storage" it should have already been "portable storage" that you could pop into card reader and use with any computer (so you shouldn't have needed to format it)
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] jmichael2497:
common recommendations for better extended battery health is to use them in the range of 25-85%, try not to let them fully drain, rarely charge near full if you won't be near charger, avoid heat generating quick charge instead of slow charge, avoid charging while gaming, and anything else generating a lot of heat.

since LOS still lacks built in charge limiter, can use something root powered like https://xdaforums.com/t/app-root-4-0-battery-charge-limit-v1-1-1.3557002 which is based on reasoning of https://batteryuniversity.com/article/bu-808-how-to-prolong-lithium-based-batteries

meanwhile, it does not seem to last as long with all the power saving settings enabled, and i'd rather not mess with 3rd party kernels, since ir works with LOS kernel (and that is all i'm using the phone for lately).
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] Arya_3RDNumber:
Thanks for sharing. I was about formatting SDCard using Minitool Partition Wizard, then saw your recommendation and use it. That formatter tool more simple and easy to use. My SDCard just recognized at LOS 19.1 without need to format again. Wondering if it need format again while moving data using card reader then place it again to phone. I will try it later. Thanks again for sharing that tool :)

Update : And yes, copy/moving files from PC to SDCard using Card Reader not break the SDCard detection in ROM. Still be able read as external storage without need formatting again.

Actually, I know about that common recommendations. that's why I just give a test 2 times for draining battery till it shutdown. I never doing it more and keep my phone plug in charger at least at 20% then out at 90%.

But, thanks again for reminding it. Seems I must consider to use battery charge limiter as you mentioned above for later time.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] 0ldsoul:
Are we supposed to update recovery that comes with rom on los site or just the rom itself?
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] dextructor:
As far as I know this answer goes in 2 directions:

1) If you use TWRP, you don't need to update the recovery because it's managed/developed by other team who will release on their project schedule.

2) If you use Lineage Recovery, when you made the initial setup of your Lineage, you could choose to update the recover when updating the rom, so it will download both updates when available and update them. And you can change in the updater preferences "Update recovery" toggle.

The question if you shoud update it's as personal as updating the rom itself if you ask me. Because if it works, should you update?

And the recovery it's the most basic tool to repair/update your phone in case of emergency, so you should keep that in mind as well.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] dextructor:
@npjohnson or whatever devs feel free as well to reply

Do the usage data (Settings > Privacy > Trust > LineageOS statistics) provide any useful information for you or the project itself that helps?
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] xxseva44:
Usb is not fully functional at the moment outside of basic mtp functionality. Best we can do right now is look at the logs and see what the issue is. Although, tethering should be working, so I need more details about your setup, as well as logs.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] xxseva44:
In terms of recoveries, use the one provided by los as this is much more up to date and does not have the issue seen on twrp where it completely corrupts devices on 12. In addition, los recovery is needed for otas.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] dextructor:
Thanks for the reply.

My issue with other recoveries other than TWRP, it's the completely lack of "on device tools", so I need the computer to perform almost anything, from backup, to flash, apply patches etc.

So I don't think of that being useful for me at least, unless I'm completely wrong on how I supposed to work with Lineage recovery.

Of course that being LineageOS it's developed to be used with it's own recovery, but so far I was able to fully update with TWRP since the initial release, with exception of yesterday update that tried to update something that I didn't remember if it was the boot, or the recovery itself. And it couldn't decrypt if I fully encrypted the device, but I believe that the own Lineage recovery just works fine

So I just located the downloaded file (/data/lineageos_updates), manually flashed and worked without problems.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] npjohnson:
In Updater app there is a checkbox in threee dot menu to update recovery. Also asked in SUW.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] npjohnson:
it's just for device number stats tracking.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] Arya_3RDNumber:
Anyway, sorry for ask again. been search info about 60fps video record then found just little information about it at 18.1 official thread. That's said it because kernel.

Is video recording with 60fps possible? May I know what camera app recommendation for to do it? So far I just trying pixel camera mod and lineageos unofficial camera app. Both didn't capable to do 60fps video recording.
[LG V20 ROMs, Kernels, Recoveries, & Other Developm] d2xTaimen:
It's been a while since I've checked but as far as I know the kernel has some issues when it comes to the camera.