[UNOFFICIAL][ROM]ALPHA LineageOS 19.1 for SM-T810 - May 6, 2023

cndv · Dec 12, 2022

cndv said:
If I have time today, I will try to upload twrp &wipe & install 19.1

Works and does not remove twrp now
As you wrote, this is set during the first installation
Or
After installation you can also disable twrp overwrite
Settings/system/update/update recovery/right corner 3 dots/ settings/update recovery set to disabled

IvkovicD · Dec 12, 2022

TabWrecked said:
Confirmed it disabled SELinux, however the bluetooth connection to certain devices (like the mouse i have) still crashes the bluetooth (disables and re-enables bluetooth upon failing to recognize or pair the device).
Unfortunately I have to give up for now and try some older versions, good luck with the progress.

Sadly, this Bluetooth issue is also not fixed with latest release....

retiredtab · Jan 8, 2023

New build called lineage-19.1-20230107-UNOFFICIAL-gts210wifi.zip

NOTE: All builds that I upload have been personally tested on my device to boot and function as described in post #1. Having said that, there's still a chance it won't work on your device due to human error, your configuration, your apps, etc. If it won't boot, always start with a complete wipe of everything and format your data in TWRP. This is known has a clean install. Backup your data before a clean install.

19.1 has been my daily driver since July 2022.

Jan 7, 2023 release notes
1. YOU MUST read posts 1-4 if you haven't already.
2. Jan 5 security patches as per https://review.lineageos.org/q/topic:S_asb_2023-01
3. Whatever LineageOS changed since Dec 5th patches (about 5,900 files had to be recompiled).

lojelo · Jan 8, 2023

Cheers for the new update retiredtab I am going to try this in the next few days, I've been getting a lot of random reboots and system freezes with the last update. The reboots just happen no matter what I am doing and all I mainly do is browse the net, the freezes are when I have left it for a few hours come back picked it up and it's just froze can't do anything until I reboot it, so will try this new one in a day or so and see how it goes.

retiredtab · Jan 8, 2023

lojelo said:
I've been getting a lot of random reboots and system freezes with the last update. The reboots just happen no matter what I am doing and all I mainly do is browse the net, the freezes are when I have left it for a few hours come back picked it up and it's just froze can't do anything until I reboot it, so will try this new one in a day or so and see how it goes.

There's been no T810 device tree code changes since Aug 27, 2022. If you are having random reboots, it's likely your application(s) or something is corrupt. I suggest a clean install where you format data in TWRP and reinstall your applications vs restoring from backup.

I use Brave browser and it works fine.

retiredtab · Jan 8, 2023

@lojelo , if all you are doing is browsing the net, I suggest this.

1. Save data to external sd or external PC.
2. Format data in TWRP.
3. Wipe all other partitions.
4. Download Jan 2023 buid.
5. Install Aurora Store 4.1.1 from https://gitlab.com/AuroraOSS/AuroraStore/-/releases
6. After installing Aurora Store, install Brave browser using Aurora Store.
7. Use this configuration for a few days and there shold be no random reboots.
8. If all this works for a few days, then something in your backup or other apps is causing the random reboots.

bmwdroid · Jan 8, 2023

lojelo said:
Cheers for the new update retiredtab I am going to try this in the next few days, I've been getting a lot of random reboots and system freezes with the last update. The reboots just happen no matter what I am doing and all I mainly...... .

I updated to Dec version half dirty (wiping only system and caches) like I updated the versions before.
Always full backup anyhow.

No probs, reboots, freezes at all.
Vivaldi and Brave as browsers.
WhatsApp as coupled device works as well.

Whats the state of the battery like when that happens?

lojelo · Jan 9, 2023

Will try that retiredtab thank you

Yeah I had the same thought of it being an app or 2 causing these random reboots I don't use that many but most of the time when it reboots is when I have been using chrome beta I have tried normal chrome and that's worse things are ok using firefox but I will give Brave browser a test on the next install in a few days.

Question regarding Brave, does it let you import bookmarks of passwords from other browsers? I have used it years ago but it never let me import any bookmarks of passwords from another browser.

The random freezing the battery could be at 90% and it would still freeze if I left the device alone for a few minutes to a few hours, it just won't let me do a thing hence having to reboot it and it's fine again.

retiredtab · Jan 9, 2023

lojelo said:
Yeah I had the same thought of it being an app or 2 causing these random reboots I don't use that many but most of the time when it reboots is when I have been using chrome beta I have tried normal chrome and that's worse things are ok using firefox but I will give Brave browser a test on the next install in a few days.

Brave is based on open source chromium (same as Chrome), but without all the spyware/telemetry that Chrome adds to their offering.

If you're using gapps, it could also be gapps that's crashing. We remove that entirely by using Aurora Store.

I have a simple setup: Aurora Store, Brave browser, newpipe (for watching streaming content). All are open source, ad-free and user privacy friendly/oriented.

lojelo said:
Question regarding Brave, does it let you import bookmarks of passwords from other browsers? I have used it years ago but it never let me import any bookmarks of passwords from another browser.

I believe so, but I don't use it on my Android device. I use Brave on my desktop and use a 3rd party open source password manager vs the built-in one.

lojelo said:
The random freezing the battery could be at 90% and it would still freeze if I left the device alone for a few minutes to a few hours, it just won't let me do a thing hence having to reboot it and it's fine again.

Bmwdroid is probably thinking of a weak battery, but if it's rebooting at 90%, I would say that's not likely the case.

pflyaz · Jan 18, 2023

Hello all.
I wanted to provide some updates to the T810/T710 LOS community.

Context: I have been using the great work of @retiredtab and @lpedia to provide LOS 18.1 and 19.1 for the excellent T810 and T710 tablets. I have both tablets and have found the 18.1 ROM to be excellent and very reliable for daily use. The 19.1 ROMs are excellent, except for one thing - regular (every few days) “Connected to device. Can’t provide internet” errors with ! on wifi icon. A reboot didn’t fix it every time, and I sometimes saw multiple reboot crashes before I got a clean wifi back again. WiFi would stay on for a while, and then something triggered the fault. I have not been able to identify what.

I decided to do a clean install on both my T810 and T710 of the LOS 19.1 ROM, to start the year clean. I had been doing dirty installs for several months since the original alpha ROM was released. I can report the following which is really an update to my post on the install instructions earlier.

NikGApps Core 20220908 doesn’t properly install PlayStore – in TWRP says it installed but it doesn’t show as an App on home screen – 20220709 is the only NikGApps version that works for me. No version of MindTheGApps works.
NikGApps up to Omni works. NikGApps Stock and Full don’t – they replace AOSP key board with Google Voice typing which you can’t get rid of. But even with Omni the included Apps don’t appear on the installed apps screen. So my recommendation is that you just use NikGApps 20220709 Core and load the Apps yourself.
After initial setup, I recommend quickly enabling Google backup. Otherwise, SeedVault jumps in and you can’t get rid of it.

Before my clean installs of LOS 19.1 using 20230107 (T810) or 20230108 (T710), it often took multiple reboots and/or power off to get the tablet to restart properly with WiFi enabled. After clean installs of 2023010X with NikGApps 20220709 Core, both devices now recover cleanly with a single reboot if the WiFi fails. It would be nice if the community can track down the culprit for what triggers “Can’t provide internet”, but until that’s found at least a single reboot will restore WiFi functionality.

Apart from the WiFi anomaly, I have experienced no other anomalies on either my T810 or T710 running LOS 19.1 since the clean installs. Thank you again @retiredtab and @lpedia for your great work. It's really appreciated.

bmwdroid · Jan 19, 2023

pflyaz said:
....The 19.1 ROMs are excellent, except for one thing - regular (every few days) “Connected to device. Can’t provide internet” errors with ! on wifi icon. A reboot didn’t fix it every time, and I sometimes saw multiple reboot crashes before I got a clean wifi back again. WiFi would stay on for a while, and then something triggered the fault. I have not been able to identify what......

My T810 is just a bedside device and usually in flight mode but whenever I turn on Wifi it connects and for one hour or so it stays stable until I shut it off.
Don't encounter reboots either.
Think I'm gonna use it longer today to test.
How long does it take yours to get the problems?

Did you pull a log after Wifi crashes? Might help @retiredtab to identify the problem.
I prefer Syslog from F-droid btw.

crab-it · Jan 31, 2023

pflyaz said:
Hello all.
I wanted to provide some updates to the T810/T710 LOS community.

Context: I have been using the great work of @retiredtab and @lpedia to provide LOS 18.1 and 19.1 for the excellent T810 and T710 tablets. I have both tablets and have found the 18.1 ROM to be excellent and very reliable for daily use. The 19.1 ROMs are excellent, except for one thing - regular (every few days) “Connected to device. Can’t provide internet” errors with ! on wifi icon. A reboot didn’t fix it every time, and I sometimes saw multiple reboot crashes before I got a clean wifi back again. WiFi would stay on for a while, and then something triggered the fault. I have not been able to identify what.

I decided to do a clean install on both my T810 and T710 of the LOS 19.1 ROM, to start the year clean. I had been doing dirty installs for several months since the original alpha ROM was released. I can report the following which is really an update to my post on the install instructions earlier.

NikGApps Core 20220908 doesn’t properly install PlayStore – in TWRP says it installed but it doesn’t show as an App on home screen – 20220709 is the only NikGApps version that works for me. No version of MindTheGApps works.

NikGApps up to Omni works. NikGApps Stock and Full don’t – they replace AOSP key board with Google Voice typing which you can’t get rid of. But even with Omni the included Apps don’t appear on the installed apps screen. So my recommendation is that you just use NikGApps 20220709 Core and load the Apps yourself.

After initial setup, I recommend quickly enabling Google backup. Otherwise, SeedVault jumps in and you can’t get rid of it.

Before my clean installs of LOS 19.1 using 20230107 (T810) or 20230108 (T710), it often took multiple reboots and/or power off to get the tablet to restart properly with WiFi enabled. After clean installs of 2023010X with NikGApps 20220709 Core, both devices now recover cleanly with a single reboot if the WiFi fails. It would be nice if the community can track down the culprit for what triggers “Can’t provide internet”, but until that’s found at least a single reboot will restore WiFi functionality.

Apart from the WiFi anomaly, I have experienced no other anomalies on either my T810 or T710 running LOS 19.1 since the clean installs. Thank you again @retiredtab and @lpedia for your great work. It's really appreciated.

I have followed this installation steps, on my T810 and also have exactly the same problem. If @retiredtab and @lpedia want any help in providing logs to look at the problem I am happy to try and help.

retiredtab · Jan 31, 2023

crab-it said:
I have followed this installation steps, on my T810 and also have exactly the same problem. If @retiredtab and @lpedia want any help in providing logs to look at the problem I am happy to try and help.

Follow the instructions in post #1 at

https://forum.xda-developers.com/t/...rs-running-any-version-of-android-10.4308203/

on how to get the data/tombstones. Please zip them and send them to me in a PM.

loyaltea21 · Feb 4, 2023

Let me know when the issue is fixed

chappatti · Feb 7, 2023

pflyaz said:
Hello all.
I wanted to provide some updates to the T810/T710 LOS community.

Context: I have been using the great work of @retiredtab and @lpedia to provide LOS 18.1 and 19.1 for the excellent T810 and T710 tablets. I have both tablets and have found the 18.1 ROM to be excellent and very reliable for daily use. The 19.1 ROMs are excellent, except for one thing - regular (every few days) “Connected to device. Can’t provide internet” errors with ! on wifi icon. A reboot didn’t fix it every time, and I sometimes saw multiple reboot crashes before I got a clean wifi back again. WiFi would stay on for a while, and then something triggered the fault. I have not been able to identify what.

I decided to do a clean install on both my T810 and T710 of the LOS 19.1 ROM, to start the year clean. I had been doing dirty installs for several months since the original alpha ROM was released. I can report the following which is really an update to my post on the install instructions earlier.

NikGApps Core 20220908 doesn’t properly install PlayStore – in TWRP says it installed but it doesn’t show as an App on home screen – 20220709 is the only NikGApps version that works for me. No version of MindTheGApps works.

NikGApps up to Omni works. NikGApps Stock and Full don’t – they replace AOSP key board with Google Voice typing which you can’t get rid of. But even with Omni the included Apps don’t appear on the installed apps screen. So my recommendation is that you just use NikGApps 20220709 Core and load the Apps yourself.

After initial setup, I recommend quickly enabling Google backup. Otherwise, SeedVault jumps in and you can’t get rid of it.

Before my clean installs of LOS 19.1 using 20230107 (T810) or 20230108 (T710), it often took multiple reboots and/or power off to get the tablet to restart properly with WiFi enabled. After clean installs of 2023010X with NikGApps 20220709 Core, both devices now recover cleanly with a single reboot if the WiFi fails. It would be nice if the community can track down the culprit for what triggers “Can’t provide internet”, but until that’s found at least a single reboot will restore WiFi functionality.

Apart from the WiFi anomaly, I have experienced no other anomalies on either my T810 or T710 running LOS 19.1 since the clean installs. Thank you again @retiredtab and @lpedia for your great work. It's really appreciated.

1. I can confirm the WiFi issue here too. Reboot required to fix.
2. NikGapps issues too. I fixed it in a post I reported earlier.
3. Random reboots....but seems to be closely associated with Kindle app that I use for reading. So I can live with it.

Thanks anyways for a GREAT upgrade to my Tab S2!!

retiredtab · Feb 12, 2023

New build called lineage-19.1-20230212-UNOFFICIAL-gts210wifi.zip

NOTE: All builds that I upload have been personally tested on my device to boot and function as described in post #1. Having said that, there's still a chance it won't work on your device due to human error, your configuration, your apps, etc. If it won't boot, always start with a complete wipe of everything and format your data in TWRP. This is known has a clean install. Backup your data before a clean install.

19.1 has been my daily driver since July 2022.

Feb 12 , 2023 release notes
YOU MUST read posts 1-4 if you haven't already.
1. Feb 5 security patches as per https://review.lineageos.org/q/topic:S_asb_2023-02
2. Whatever LineageOS changed since Jan 5th patches (about 12,500 files had to be recompiled).
3. Use stock android.hardware.power for CPU/SoC management so little cores can go as low as 400Mhz. Previously, the minimum clock speed was 1200Mhz and this may have caused some overheating. See

https://github.com/retiredtab/andro...mmit/8480e024cb15d82b9d418c44efd9257db173b49e

4. There has no been no fix for the “Connected to device. Can’t provide internet”. DO NOT ASK when this will be fixed. If/when it is fixed, it will be announced publicly in this thread.

If this is problem for you, go back to 18.1. In addition, the problem might be a memory leak so the less apps you have installed (like gapps), the better. I rarely see this problem as my setup is very simplistic. I just have Brave browser, Newpipe and Aurora Store.

jirinaforever · Mar 8, 2023

chappatti said:
1. I can confirm the WiFi issue here too. Reboot required to fix.
2. NikGapps issues too. I fixed it in a post I reported earlier.
3. Random reboots....but seems to be closely associated with Kindle app that I use for reading. So I can live with it.

Thanks anyways for a GREAT upgrade to my Tab S2!!

Can concur - tried both 19.1 and 18.1 on T810.
19.1 has some issues, namely wi-fi, and frequent crashing when playing around with Play Store or other Google services, but most importantly for me - it's faster than stock in that it doesn't lag as much, but it feels just as sluggish processing stuff (maybe bit faster, but nothing stellar). It's great for the new features like gesture navigation, but the paint hasn't dried and it's still being worked on, keep that in mind.

18.1 on the other hand... working gapps-pico (from the guide), was able to set up the tablet the same way stock was (I use Google Home for home automation, Google search on homescreen, gboard), rock solid, stable (even when using gapps), and most of all it's lightning fast - as in no lag on wake up, tablet just hustles to get stuff done and you can turn on "High performance" battery mode that just makes the tablet fly.

If you want the newest and greatest Android features - go for 19.1.
If you want to revive your aging Tab S2 and use it as your daily driver and make it snappier and happier - go for 18.1.

retiredtab · Mar 19, 2023

New build called lineage-19.1-20230318-UNOFFICIAL-gts210wifi.zip

NOTE: All builds that I upload have been personally tested on my device to boot and function as described in post #1. Having said that, there's still a chance it won't work on your device due to human error, your configuration, your apps, etc. If it won't boot, always start with a complete wipe of everything and format your data in TWRP. This is known has a clean install. Backup your data before a clean install.

19.1 has been my daily driver since July 2022.

March 18 , 2023 release notes
1. Mar 5 security patches as per https://review.lineageos.org/q/topic:S_asb_2023-03
2. Whatever LineageOS changed since Feb 5th patches (about 24,500 files had to be recompiled).

Alex7779 · Mar 24, 2023

Hello,
I installed the 19.1 Rom and it works, thanks.

I just had quite a hard time to get gapps to work, especially google play store. When I managed to install some gapps package, I always had the problem that Google play store would get stuck on pending, so i wasn't able to download any apps.

I found my own way of getting it to work, maybe it is a bit too complicated, and there is an easier way, but after a lot of trial and error i found out that this works for me.

1. Clean flash ROM.
2. Boot into system.
3. Boot inte recovery install Magisk.
4. Fully install magisk app. enable Zygist. reboot.
5. Install MagiskGapps package. I installed the Basic version.
https://sourceforge.net/projects/magiskgapps/
(this only installes google play services, on my device)
6. reboot.
7. Install Google play store APK from APKPure newest version.
if you open the newly installed play store, the app will just crash. so...
8. reboot

9. open play store, login, and now installing apps from play store should work.

Maybe not all of the steps are really necesarry, but this works for me, if someone got an easier solution, let me know.
Or if someone can confirm this procedure works, let me know.
Thanks.

lpedia · Mar 24, 2023

Alex7779 said:
I just had quite a hard time to get gapps to work, especially google play store. When I managed to install some gapps package, I always had the problem that Google play store would get stuck on pending, so i wasn't able to download any apps.

Did it 'stick' forever? In some cases, I believe you have to wait (quite) a while for Play Store to get its act together and update itself to the latest version. Another possible cause is that - for some reason - Google Play Store and/or Play Services didn't get all the permissions they need, and you have to manually add network access permission.

Alex7779 said:
Maybe not all of the steps are really necesarry, but this works for me, if someone got an easier solution, let me know.
Or if someone can confirm this procedure works, let me know.
Thanks.

I don't have a T810, but can comment on Gapps for T710, which should be similar.

For some time, I've had difficulties with LOS19.1 on my T710 and my preferred Gapps packages, NikGapps and BiTGapps. The former would only work if I used the July 2022 package, not the (then) latest for Android 12.1, which was September 2022. After flashing the September one, the device would go into a boot loop on booting system. BiTGapps, on the other hand, would refuse to install at all, saying there wasn't enough space.

There's been a lot of work done n NikGapps recently, and I found the current core version installed easily and is stable on 19.1 on a different device (an HTC 10) - with clean flash ROM and flash NikGapps before first boot. I have not yet tried it on the T710.

I have no experience of MagiskGapps, but I see that it's derived from NikGapps, so I think someone on the NikGapps thread https://forum.xda-developers.com/t/android-13-gapps-nikgapps-arm64.3915866/ might be able to advise you about the best procedure for installing it. I'd hope that it doesn't need clean-flashing the ROM every time.

Good luck!

Question	Answer
Q1. Can I build this ROM for myself? Where are the source and kernel source files?	A1. Yes, you can. The source files are listed below. Kernel https://github.com/retiredtab/android_kernel_samsung_universal5433-selinux Device Tree https://github.com/retiredtab/android_device_samsung_gts2-common-selinux https://github.com/retiredtab/android_device_samsung_gts210wifi Vendor https://github.com/retiredtab/proprietary_vendor_samsung-selinux The build manifest and instructions on how to compile from source are at https://github.com/retiredtab/LineageOS-build-manifests The other patch required for tcp/ip is at https://github.com/DerpFest-11/pack...mmit/22fd53a977eeaf4e36be7bf6358ecf2c2737fa5e
Q2. Is this ROM suitable as a daily driver?	A2. It might be, depending on your requirements. You would need to try it yourself, with your preferred apps, to see if suits your purposes. I've been using it myself since July 1, 2022 with no major issues.
Q3. What do I do if my app xyz doesn't work?	A3. I can't help diagnose problems with random apps I know nothing about. If the app is critically important to you and it doesn't work on this ROM, go back to a ROM where it did work.
Q4. Why is this ROM laggy and/or buggy?	A4. The device will be noticeably slower if you're using any Gapps package. Consider going gapps-free. A lot of apps will work without Google's services, or there exist alternatives that will. Check out F-Droid, Aurora Store, NewPipe, etc.
Q5. What TWRP should I use?	A5. You MUST use TWRP 3.6.2_9. Get it from https://dl.twrp.me/gts210wifi/
Q6. Why should I use this ROM?	A6. You don't have to! If you don't like it, go back to your old ROM.
Q7. Will you offer monthly updates with security patches?	A7. We plan to do so. We will try to update the ROM with the monthly security patches after LineageOS has released them, free time permitting. Each monthly build will be tested to make sure all the "What works" functionality listed in post #1 still works, before it's made available (which might in some cases delay the release).
Q8. I'm a newbie. Can you provide step by step instructions?	A8. We simply don't have the time to do this, but there are lots of tutorials, videos, etc online showing how to flash custom ROMs and how to deal with common problems. Newbie questions are also accepted in the XDA General Questions and Answers forum. Having said that pflyaz has kindly provided instructions in post #7.
Q9. Can I report a bug with respect to the ROM?	A9. Yes, but you need to supply the following information. If you don't, I won't look at it. Provide an adb logcat of the problem, and if possible describe how to reproduce it. Note that I can't help if it involves downloading any app I don't already use that requires payment or creating a userid/password. To get a logcat, open a terminal window on your PC, connect your device to it via USB, and do this: Bash: `# clear the logcat first adb logcat -c # start logcat trace adb logcat > problem.txt # reproduce problem # wait until problem has occurred, # then stop trace by hitting ctrl-c then zip the problem.txt file # before uploading it.`
Q10. How long will you build 19.1 for this device?	A10. For now, 19.1 will be built for all of 2022. After that, we will make a decision depending on a number of factors.
Q11. Do I need to erase everything and format my data before installing this ROM for the first time?	A11. If you're coming from stock Samsung Android, or an earlier version of LineageOS, or a different custom ROM, you MUST 'clean flash': boot to TWRP recovery, wipe system, data, dalvik/art cache, and cache partitions, then Format Data, then install this ROM. If you don't do this you're likely to run into problems, such as getting stuck at the boot animation for more than 5 minutes.
Q12. What Gapps should I use?	A12. Your choice! There are several well-known Gapps packages, such as NikGapps, BiTGapps, OpenGapps, and MindTheGapps. Do your own research as to what is the most reliable gapps option for you. As a courtesy to gapps users, I opened a thread at https://forum.xda-developers.com/t/...on-for-19-1-roms-sm-t710-and-sm-t810.4480041/ for you to discuss gapps. Do not discuss gapps in this thread. Thank you. You could also consider Google alternatives, such as Aurora Store, which mirrors the Google Play Store apps but doesn't need any Google services itself. Many Play Store apps do not actually depend on Google services. If you are going to install any Gapps package, follow the installation instructions given for that particular package.
Q13. I'm having problems with Gapps. Can you tell me why it's not working?	A13. I can't answer any questions about Gapps, because I don't use them. Ask your questions on the XDA thread for the Gapps package you're using.
Q14. Why isn't my post answered?	A14. There are several possible reasons: the question is answered in the FAQ (in which case it will be ignored completely); or it involves apps or operating systems that I don't use; or it's about Gapps, which I don't use; or I simply have not had time to answer any questions.
Q15. What speed up/optimization tips do you suggest?	A15. These steps can make a big difference to performance: Turn off animations. Go to Settings > System > Developer options, scroll down to the Drawing section, and set Window, Transition and Animator scale all to "Animation off". Don't install Gapps unless you depend on something that only Google is providing. Use Aurora Store to get your preferred Play Store apps - they will all be available on Aurora Store. You can choose to access this anonymously or use a Google account. Don't run more than two apps at the same time. You can probably listen to music in the background and use a web browser at the same time. Use a web browser with built-in adblock and privacy features, such as Brave. Use NewPipe to watch your streaming content. It has built in adblock so you don't have to watch forced ads. Look for apps that are open source, ad-free and lightweight.
Q16. Does this ROM support Magisk so I can root my device?	A16. Magisk works with this ROM as reported by beta testsers, but that could change with any revision and changes by Google. However I don't use it myself and can't help with any related issues. Direct any questions about Magisk to the XDA Magisk forum.
Q17. Will this ROM ever become official?	A17. With 19.1, legacy devices like ours will NEVER be official due to lack of ebpf support. See https://lineageos.org/Changelog-26/
Q18. What is the difference between this ROM and others?	A18. This ROM tries to be pure LineageOS with little or no modification. Other ROMs may come with a different UI, different bundled apps, etc.
Q19. Will there be any major 19.1 code modifications in the future?	A19. There may be some major modifications along with some slight tweaking to the SEpolicy, small bug fixes and minor code cleanup, but all the hard work - getting the rom up and running, and fixing all the major bugs - has been done.
Q20. Why did you fork the trees?	A20. I wanted my own private branch where I could make changes that would only affect my own personal builds.
Q21. Can you build a variant of this device? For example, a LTE or S-pen version?	A21. I cannot and will not try to build for a variant device if I don't physically have that device. I have to be able to boot and test it myself, and there's no guarantee that I can get those variant features working.
Q22. Can I load this ROM on a variant device like LTE or S-pen version?	A22. This ROM is for the device explicitly listed and will only work on that device. Do not try to install it on any other device. ONLY if you are an advanced user and understand TWRP, adb, odin, heimdall, etc, you could try loading it on a LTE or S-pen variant by modifying the updater-script, but be warned: there are likely to be problems, including a bricked device, bootloops, or the ROM not being able to support the functionality of LTE/S-pen.
Q23. Does this ROM have any wifi connection issues?	A23. This ROM's wifi has been stable on the specified device ever since lpedia and I determined the root cause of the wifi problems back in July 2021 and re-installed the original S2 network 'blobs' with LOS 17.1.
Q24. Is this ROM secure so I can do financial transactions?	A24. Although Android monthly security patches do improve general security, this ROM's outdated kernel and old proprietary vendor blobs/drivers will NEVER get updates of any kind, and could have significant security holes. In addition, although the ROM is SElinux enforcing, there's a good chance that the rules written (about 800+ lines of code) have some errors. If the device is rooted, this would further weaken the security. With this information, it's up to you to make an informed decision about whether you trust this ROM to be secure enough for your financial transactions.
Q25. How do I turn off the taskbar at the bottom of the screen?	A25. Goto settings, system, buttons and disable taskbar.
Q26. Okay, I understand the consequences and willing to take the risks outlined, now where can I find the ALPHA rom?	A26. Downloads are at https://sourceforge.net/projects/retiredtab/files/SM-T810/19.1/

[UNOFFICIAL][ROM]ALPHA LineageOS 19.1 for SM-T810 - May 6, 2023

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LineageOS 19.1 UNOFFICIAL for 2015 Samsung Galaxy Tab S2 SM-T810 ONLY​

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