yashsingh1/xdaforums huggingface dataset:
[Samsung Galaxy Tab A series Guides, News, & Discus] Jim in CA:
I am new to this forum, having just registered today so I can contribute to this thread. I have installed Lineage OS on a handful of Samsung tablets, and HTC and OnePlus phones. I wanted to share my experiences in trying to load Lineage on my brand new SM-T500 this week.

First, my tablet had already updated to the 3BUH3 version. When I did the install, I could not get the wifi to work. I finally decided to download and flash the earlier version stock OS using Odin. That did get my tablet up and running again. I repeated the TWRP and Lineage install and got the wifi to work starting with this version.

After trials and tribulations, I got the ROM to properly load, and have a usable version of Lineage on my tablet. I did have the problems discussed on this threat with TWRP not reading encryption, missing Play Store, Device not certified, etc. But once I got the Nik Gapps installed properly using the correctly modified and placed nikgapps.config file, things went well. I will note I decided to use Basic instead of Omni. No issue with Omni, but I simply didn't need some of those features to satisfy my needs. IF you follow the directions, it will work! Brightness slider works. I haven't used Magisk yet, so haven't tested that fix. But no reboots in two hours since I did the fix.

I do have a few issues however. They are:

Unable to do TWRP backups. (Addressed on this thread.)

Cannot connect to my PC via USB, in order to do file transfers via USB. But it does connect to the PC to allow ADB commands to function.

With the tablet turned off and connected to the charger, I get the screen to show the charge level, but the charge level never appears. And the charge screen does not go off like on other Lineage ROM's I use. I will note that it does charge.

Once I disconnect the charge cable, the charge screen with the circle where the charge screen should be does not go off. I have to hold the charge button for about 10 seconds to turn off the screen.

I have just started using the modified tablet. There may be other issues I have not found yet. Play Store works fine and stopped giving the certified warning once registered, and a reboot after 5 minutes. (The Device ID app from Play Store will give you the number you need for registration (I had to sideload it), after you convert the HEX number to decimal with an online converter.)

Overall I would say this build is not as polished as other Lineage ROM's I have used, but if you really want to get rid of Google and Samsung bloatware, this ROM is worth it, quirks and all. My thanks to the OP for all of his work.
[Samsung Galaxy Tab A series Guides, News, & Discus] wizzdome:
t500xxu3buh3 is the current build i am on
[Samsung Galaxy Tab A series Guides, News, & Discus] Deano1889:
That's worked! Moving from Android 10 to 11 now allows the apps to be moved to SD. Cheers
[Samsung Galaxy Tab A series Guides, News, & Discus] lewmur:
........

So, you succeeded in moving apps to the SD. And now you get to complain about how laggy the performance is.:unsure:
[Samsung Galaxy Tab A series Guides, News, & Discus] EvilPin:
Kindly excuse me for asking a noob question but how do I reboot into TWRP recovery? I always end up in the stock recovery after flashing TWRP via Odin. Thank you in advance.

Edit: Nevermind, it worked somehow after I did everything all over again.
[Samsung Galaxy Tab A series Guides, News, & Discus] testman42:
I was still not able to get WiFi to work.

this is what logcat says when I boot the tablet:

Ghostbin

Ghostbin is a website where you can store and share text online.

ghostbin.com

can anyone help me with this? Any suggestions or advice would be welcome.
[Samsung Galaxy Tab A series Guides, News, & Discus] mystifuzz:
What did your original build end with? "3BUF3" or something else?
[Samsung Galaxy Tab A series Guides, News, & Discus] testman42:
Not sure, I believe it did.

current system info says that kernel version is U3BUH3. I flashed the image that was linked in the initial post of this thread.

Is that a problem? Does flashing the image not replace kernel? Do I regulate kernel version in some other way?
[Samsung Galaxy Tab A series Guides, News, & Discus] mystifuzz:
Try to find the "3BUF3" for your SM-T500 (make sure for it to be your region, for example I have the European model, so I chose the EUX one), flash it and then do the LineageOS install procedure again, Wi-Fi works for me fine done that way.

And I think flashing the image doesn't replace the original kernel, however I ain't 100% sure. Maybe someone else can answer that haha.

Edit: I forgot to add this, after flashing the 3BUF3 firmware, make sure to lock the bootloader, go through the initial setup and unlock it again, otherwise you won't be able to flash TWRP and vbmeta_disabled_R.
[Samsung Galaxy Tab A series Guides, News, & Discus] lewmur:
Why didn't you factory reset after flashing vbmeta_disable?
[Samsung Galaxy Tab A series Guides, News, & Discus] DJ_BARO:
Great rom, altough, i got a few questions:

I installed the rom but the orientation doesnt work, it stays at portrait mode.

Also has somebody tested if GSI Roms are working on the device? i didnt manage to install one.
[Samsung Galaxy Tab A series Guides, News, & Discus] lewmur:
You have to go to /Settings/Display and enable rotation.
[Samsung Galaxy Tab A series Guides, News, & Discus] TheFunkDotor:
anyone having issues with bluetooth headphones?
[Samsung Galaxy Tab A series Guides, News, & Discus] DJ_BARO:
Thank you very much!

Are you also experiencing issues like freezing? How aboout Widevine Certification?
[Samsung Galaxy Tab A series Guides, News, & Discus] lewmur:
I'm not having any freezing and don't care about Widevine. But about the heaviest use I have is streaming sports from an IPTV site.
[Samsung Galaxy Tab A series Guides, News, & Discus] PHONE1000:
Hi there. I have the smt500. My region is Europe and the firmware version of the tablet is T500XXU3BUH3. Do i have to update to any other version or i can just install the rom? Is there any bug or somthing that i have to take consideration of (besides the knox and the rom instructions) before installing the rom??

Thanks.
[Samsung Galaxy Tab A series Guides, News, & Discus] //.dax:
Constant freezing with video playback, or even GIFs while browsing Reddit

Worst issue of this ROM honestly
[Samsung Galaxy Tab A series Guides, News, & Discus] PHONE1000:
ok thanks.
[Samsung Galaxy Tab A series Guides, News, & Discus] //.dax:
No problem man, honestly when I was changing ROMs from stock to LOS, I thought dev wouldn't abandon project after just 3 updates and no response from our feedback.
[Samsung Galaxy Tab A series Guides, News, & Discus] testman42:
no, exactly the opposite, you have to downgrade to 3BUF3

I did install this ROM over UH3, which resulted in WiFi and gyro not working, and possibly other issues. See my previous posts in this thread.

I did what DzbanCban suggested above and now it works.
[Samsung Galaxy Tab A series Guides, News, & Discus] PHONE1000:
ok ok thanks a lot. Maybe do you have an answer on what i asked above?? And do you also have the problem of freezing with video playback?
[Samsung Galaxy Tab A series Guides, News, & Discus] mystifuzz:
I had the same issue. The solution that worked for me is:

1. Go to developer options, find something like "Disable A2DP offload", turn it on and restart your device.

2. After the restart head back to settings, head to Phh Treble settings, then misc and enable "Force headphone switch" and "Force-disable A2DP offload", restart your device again and voilà! 😁
[Samsung Galaxy Tab A series Guides, News, & Discus] wesleyvanneck12345678:
can you guys make super img of this https://github.com/phhusson/treble_experimentations/releases/tag/v400.b
[Samsung Galaxy Tab A series Guides, News, & Discus] PHONE1000:
Hi there! I hope you are doing alright. Yesterday i tried to install the lineage os 18.1 to the sm-t500.(i have installed the right firmware unlocked the bootloader etc). However when i transfer the img rom file into the tablet the twrp doesnt recognise it at all (yes i have chosen to install img not zip in the bottom right twrp setting) in fact it doesnt recognise any img file. I even tried to format the sd card to ext4 but then the tablet doesnt recognise it at all so i cant put any files in it. Also the mtp in twrp doesnt work. Maybe someone knows what can i do ?
[Samsung Galaxy Tab A series Guides, News, & Discus] Annonnimmouss:
How to use this tool to make a Super img?
[Samsung Galaxy Tab A series Guides, News, & Discus] TheFunkDotor:
you are a life saver !
[Samsung Galaxy Tab A series Guides, News, & Discus] Daniol71:
Hi, had some trouble with gapps during the install and I can't get the system to boot (keep booting to recovery). Would appreciate some tips on what to wipe/format so I can start the install over again.

Everything went fine until step 8 where the NikGapps install failed because it couldn't mount /system. Rebooting the recovery solved the issue, but it also removed nikgapps.config from /tmp which I realised too late. That install failed due a lack of space on whichever partition NikGapps decides is "default". I replaced nikgapps.config and the third install completed fine installing to /system. But rebooting gives me a boot loop once and then boots me into TWRP.

So far I've tried re-running step 5-9 with the same result as before.

If gapps is not the issue then all I can think of is that I was running a later build of the stock rom (3BUJB or 3BUJ3 if I remember correctly). The OTA litteraly came today but don't know to which extent a firmware update can cause issues.

Appreciate the support,

Daniel
[Samsung Galaxy Tab A series Guides, News, & Discus] Daniol71:
My bad, doing a factory reset/wipe (not format) allowed me to boot Lineage OS
[Samsung Galaxy Tab A series Guides, News, & Discus] Daniol71:
EDIT: I had a read through the previous posts, I will try downgrading the kernel to 3BUF3 (I'm on 3BUJ1) which should probably fix my wifi issue. Sorry for the spam.

Initial impressions after installing Magisk and running the fixes script:

Performance is a lot snappier than stock, probably due to the lack of bloat

Wi-Fi is not working

MTP (filetransfer) is not working in OS or in TWRP, adb push still works fine though

Happy to help test any fixes (this is a T500 model, 32GB)
[Samsung Galaxy Tab A series Guides, News, & Discus] TheFunkDotor:
yes 3buf is necessary for this to work
[Samsung Galaxy Tab A series Guides, News, & Discus] myballgotkicked:
https://xdaforums.com/t/how-to-make...ung-galaxy-a51-super-partition-image.4216083/
[Samsung Galaxy Tab A series Guides, News, & Discus] wesleyvanneck12345678:
That doesn't work
[Samsung Galaxy Tab A series Guides, News, & Discus] myballgotkicked:
make sure to flash as zip not image.

i tried havoc3.12 arm64ab and los17 arm64_bvS but got a lot bug,

now los 18 in process...
[Samsung Galaxy Tab A series Guides, News, & Discus] Sufiyanov11:
hello, I have set myself an os, but I can't run the brightness script, help me please🙏
[Samsung Galaxy Tab A series Guides, News, & Discus] crlong01:
Forgive my ignorance, but every attempt to downgrade to 3buf has resulted in a fused 3 > device 2 error and I can't seem to get around it.
[Samsung Galaxy Tab A series Guides, News, & Discus] wesleyvanneck12345678:
So you Try it does it bootloop
[Samsung Galaxy Tab A series Guides, News, & Discus] myballgotkicked:
sorry for my terrible english, i missunderstand your/this post. :)

-

what im try tell that about this thread:

https://xdaforums.com/t/how-to-make...ung-galaxy-a51-super-partition-image.4216083/

is about how to flash gsi rom into our device.

aint bootloop but got a lot thing must be fix.
[Samsung Galaxy Tab A series Guides, News, & Discus] DJ_BARO:
Good Day!,

will be widevine staying at level 1 after installing lineage os on it?

Best Regards
[Samsung Galaxy Tab A series Guides, News, & Discus] exelan:
I must have missed this one, how did you downgrade to 3BUF3? I think this is my problem as well... did you have to go back to stock, boot to Magisk and patch the previous firmware?
[Samsung Galaxy Tab A series Guides, News, & Discus] crlong01:
I have the same question. I am unable to downgrade without an error.
[Samsung Galaxy Tab A series Guides, News, & Discus] DJ_BARO:
Could please someone check if widevine is level 1 and Amazon prime video is full HD? Please? :/
[Samsung Galaxy Tab A series Guides, News, & Discus] lewmur:
The bad news is that it can't be done. You can't downgrade. The good news is that Samsung has supposedly released the source for your version and that it won't be too long before a new version of this ROM will be available.
[Samsung Galaxy Tab A series Guides, News, & Discus] JaneValley:
Could someone share solution for bypass safety net check? Tried Magisk Hide Props and Universal Safetynet Fix, and it seems like the both modules will cause device freeze and automatically restart. Huge thanks
[Samsung Galaxy Tab A series Guides, News, & Discus] ildar_prophet:
MicroG project also works on that problem. Though I never tried it
[Samsung Galaxy Tab A series Guides, News, & Discus] ildar_prophet:
It's better be in the image OR someone could share it as a installable zip/img.
[Samsung Galaxy Tab A series Guides, News, & Discus] aw4y_:
Hey guys, can you please help this poor guy?

I can't, in any ways possible, get through flashing vbmeta. I guess it actually, because I flash it but it does not wipe my device. Then I try to flash TWRP anyways but it won't flash. Am I doing something wrong?

To help in any way, here's what shows on download mode:

RPMB fuse Not Set

RPMB PROVISIONED

CURRENT BINARY: Custom (0x300)

FRP LOCK : OFF

OEM LOCK : OFF (U)

WARRANTY VOID: 0x1 (0x300)

QUALCOMM SECUREBOOT : ENABLE

RP SWREV : B3 (1,1,1,3,1,1) K3 S3

SECURE DOWNLOAD : ENABLE

GRDM STATUS : NORMAL (D0000502)
[Samsung Galaxy Tab A series Guides, News, & Discus] ildar_prophet:
I flashed 3BUF3 kernel and it didn't help, Wifi still doesn't work. Needs something else. Maybe /vendor/firmware or modem?
[Samsung Galaxy Tab A series Guides, News, & Discus] barra0205:
Hi hellas, long time lurker, first time user, new to all of this, having a few issues and looking for some pointers as i seen to be in some form of a boot loop now.

So i followed the guide to do the magisk thing from here

https://xdaforums.com/t/guide-sm-t5...4-unlock-bootloader-root-with-magisk.4185993/

And i think ive done it all correct. So i proceed on and go through getting the files needed.

Open odin and do the vbdata on the user data, reboot back into dl mode, flash twrp, and reboot into twrp, woohoo 1 step closer.

Heres where my issues start, i go into the wipe and format data as instructed but i get the error

failed to mount '/keydata'

failed to mount '/keyrefuge'

But it does say done. So i went ahead and clicked install from image and selected the extracted linage image, and then the nikapps, which it all looks good. Reboot, and it just boot loops, occasionally booting me back to twrp. So i had a google and tried clearing the dalvik cache and rebooting but all to the same avail. Either stuck in twrp, or boot looping.

Any suggestions, its the t500 i have, and the firmware was on the T500_EUX_T500XXU3BUF3 firmware version.

Just wondering if i done something specific or if ive missed a step somewhere.
[Samsung Galaxy Tab A series Guides, News, & Discus] JaneValley:
I met this issue, my solution is format data **again** after all the flashes are done
[Samsung Galaxy Tab A series Guides, News, & Discus] lewmur:
Has the latest version been updated to use the latest stock BUJ1?
[Samsung Galaxy Tab A series Guides, News, & Discus] barra0205:
it was yeah. About to do an odin restore back to full stock, then ill go through the rooting and magisc again and give another try
[Samsung Galaxy Tab A series Guides, News, & Discus] testman42:
OP has not been around here for quite some time, right?

Any way we could get a group of people to continue the work that OP started?

My issue with this ROM is that it always gets some hiccups when Firefox is open. Either it is very lightweight pages, bloated javascript, playing audio or playing video, it starts to stutter and then freeze whole tablet for up to 3 minutes, and then un-clogs itself and goes back to normal. An issue that I would very much like to see resolved.

Also, I'm somewhat surprised that there is so little activity around this tablet model. It appears so insignificant that even the sm-t500 tag is basically a 404 (sm-t404 lol). How? This is a tablet from one of the biggest manufacturers, and here where I live, this thing is being sold in almost every tech store.
[Samsung Galaxy Tab A series Guides, News, & Discus] wesleyvanneck12345678:
edit: wrong topic
[Samsung Galaxy Tab A series Guides, News, & Discus] lewmur:
There has been so little support for this tablet that I just flashed back to stock and relocked the bootloader. Frustrating. The old 2016 tablets have a lot more devs.
[Samsung Galaxy Tab A series Guides, News, & Discus] psc-m3:
The Sources of this build would be a good starting point. @agreenbhm: Do you mind to share those? Or a little guide at least? This way we could possibly get at least security updates for LOS.
[Samsung Galaxy Tab A series Guides, News, & Discus] exelan:
I accidentally flashed 3BUJ1 firmware and now WiFi is broke and can't flash gapps... is there going to be LOS support for the latest firmware?
[Samsung Galaxy Tab A series Guides, News, & Discus] lewmur:
Right now I'm reading about GSI versions for this tablet. I've gotten so far has installing a TWRP version that allows a reboot to Fastboot. Seems you can't flash the GSI ROMs via Odin but must use ADB and Fastboot. They're working right now on Android 12 ROMs and there are several to try. All seem to have minor problems and are what I would call BETA released. But it seems they are getting close. Look for the TWRP 3.6 for SM-T500 thread for a starting point to see what's happening.
[Samsung Galaxy Tab A series Guides, News, & Discus] Bogam:
It's actually working, found two bugs till now.

1. Wifi is not working at all

2. Device won't flip landcape or any way.

Didn't find the solution's yet. Anybody?
[Samsung Galaxy Tab A series Guides, News, & Discus] mystifuzz:
The solution is to flash original software that ends with 3BUF3, and then install Lineage. 😄
[Samsung Galaxy Tab A series Guides, News, & Discus] Bogam:
I'm on SM-T500XXU3BUJ1.
[Samsung Galaxy Tab A series Guides, News, & Discus] Yarbi:
I don't know anything about this XD

I just want to be able to have 18.1 lineageos on my tablet but I see that it is very complicated; (

Won't the whole process be easier in the future?

(I translated this in google translator, sorry if it looks strange)
[Samsung Galaxy Tab A series Guides, News, & Discus] agreenbhm:
It will hopefully be a bit easier in the future, but not much. The USB mouse part will hopefully be resolved if we can get touch working in TWRP. Other than that, most of this is pretty standard. Some devices are harder than others to install custom ROMs, and Samsung is one of the hardest.
[Samsung Galaxy Tab A series Guides, News, & Discus] Yarbi:
OK, eso espero, gracias por responder :)
[Samsung Galaxy Tab A series Guides, News, & Discus] wesleyvanneck12345678:
are there gapps on this
[Samsung Galaxy Tab A series Guides, News, & Discus] wesleyvanneck12345678:
btw for gapps you have to resize the system partition agreenbhm
[Samsung Galaxy Tab A series Guides, News, & Discus] _mone:
If it's still like in android10 you need to add the touchscreen driver blob. "vendor/firmware/novatek_ts_fw_hlt_auo.bin"
[Samsung Galaxy Tab A series Guides, News, & Discus] Yarbi:
hello I have a problem, I cannot enter the recovery mode (I turn off the tablet and press the power button and increase volume and when but the tablet starts normal)

please help ;(
[Samsung Galaxy Tab A series Guides, News, & Discus] wesleyvanneck12345678:
Why would I help it's not my project
[Samsung Galaxy Tab A series Guides, News, & Discus] Yarbi:
I'm sorry if I explained myself wrong

(I translated that and this in google translator)

I was just asking you how to enter recovery mode on this tablet.

It is a way of asking in Spanish.
[Samsung Galaxy Tab A series Guides, News, & Discus] agreenbhm:
Thanks for the tip! Once I have my dev device back I will give that a try.
[Samsung Galaxy Tab A series Guides, News, & Discus] wesleyvanneck12345678:
bugs i noticed

------------------

twrp bugs:

------------------

no mtp

doesnt read sdcard

no touch

doesnt read from the otg

-------------------------

lineage os bugs:

-------------------------

no gapps

lock screen is stuck at vertical layout same for boot logo animation
[Samsung Galaxy Tab A series Guides, News, & Discus] ogkillergreen:
Ended up getting stuck on the Samsung screen after flashing Lineage via Odin.
[Samsung Galaxy Tab A series Guides, News, & Discus] ogkillergreen:
vbmeta_disabled_R.tar is to be flashed in the USERDATA slot correct?
[Samsung Galaxy Tab A series Guides, News, & Discus] agreenbhm:
Correct. Flash that in userdata first, then flash the Lineage ROM in the AP slot.
[Samsung Galaxy Tab A series Guides, News, & Discus] ogkillergreen:
Yeah I have tried three times and every time it gets stuck on on the boot screen.
[Samsung Galaxy Tab A series Guides, News, & Discus] agreenbhm:
Try formatting data in twrp before booting.
[Samsung Galaxy Tab A series Guides, News, & Discus] ogkillergreen:
I have tried. Same result
[Samsung Galaxy Tab A series Guides, News, & Discus] wesleyvanneck12345678:
Any new release of twrp
[Samsung Galaxy Tab A series Guides, News, & Discus] agreenbhm:
I made a new build yesterday however I can't test it yet since my device is not back to me yet. If you want a copy to try dm me and I will share it. But be warned, I don't even know if it boots (though you could always reflash the old one if that's the case). The goal of the new build was to fix the SD card bug and make the touchscreen work.
[Samsung Galaxy Tab A series Guides, News, & Discus] agreenbhm:
The new build of TWRP has been posted to the OP as Beta 2. I also linked to the new build of Lineage with space on system for Gapps. Just make sure you read the post to get the right info.
[Samsung Galaxy Tab A series Guides, News, & Discus] mystifuzz:
Then downgrade to 3BUF3 and install Lineage. I have Wi-Fi and rotation working that way.
[Samsung Galaxy Tab A series Guides, News, & Discus] Bogam:
The bootloader's have different version. I'm not shure if it is possible to downgrade.
[Samsung Galaxy Tab A series Guides, News, & Discus] mystifuzz:
Oh really? Well, I guess I can't help then. My region is still on the 3 bootloader.
[Samsung Galaxy Tab A series Guides, News, & Discus] Bogam:
My mistake. I'm on 3 too.
[Samsung Galaxy Tab A series Guides, News, & Discus] mystifuzz:
Then you should be able to downgrade. You could also try to install GSI ROMs, there's a guide here on XDA. :D
[Samsung Galaxy Tab A series Guides, News, & Discus] Bogam:
Thanks, I allready downgraded. Now I'm thinking install Lineage or GSI or downgrade to Android 10 first, and then install. I think is easier to hide Magisk because of security patch date. I'm not an expert, only guessing.
[Samsung Galaxy Tab A series Guides, News, & Discus] mystifuzz:
Good luck!
[Samsung Galaxy Tab A series Guides, News, & Discus] Bogam:
Want to try crdroid gsi image. I have SM-T500 Tab A7 2020. Any thoughts?
[Samsung Galaxy Tab A series Guides, News, & Discus] mystifuzz:
I have not tried crdroid yet. Just try to get it and see if it meets your needs.
[Samsung Galaxy Tab A series Guides, News, & Discus] punteruk:
I've just updated my SM-T700 to crdroid after thinking the lineageos updates finished nearly 3 years ago lol

Works ace, I'd defo put it on the SM-T500 if I can get TWRP installed
[Samsung Galaxy Tab A series Guides, News, & Discus] Bogam:
Awesome. TWRP shouldn't be a problem. Which crdroid image did you take?