yashsingh1/xdaforums huggingface dataset:
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Agednoob18:
Can I flash this on top of ofox ?
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] lewmur:
I did.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Agednoob18:
thanks mate
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] rickroll'd:
You can get the basic certification through a form but safetynet will not pass which some banking apps may not like unless you root ofcourse.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] cappuccini:
Fix Banking Apps / SafetyNet / Play Integrity on LineageOS without Root

You can try: ih8sn

How to Fix Banking Apps / SafetyNet / Play Integrity on LineageOS without Root

Summary Flash ih8sn provided by althafvly or your maintainer(s) via Lineage Recovery, and banking apps will work correctly. Explanation When you use banking apps on LineageOS without root, they may show the misleading error message that your device is rooted. Banking apps actually check...

cyrusyip.org

GitHub - althafvly/ih8sn: ih8sn allows you to modify system properties at runtime.

ih8sn allows you to modify system properties at runtime. - althafvly/ih8sn

github.com
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] SmartJuwel:
I don't use Banking Apps on the tablet. Also it is not rooted. I only noticed, that the device is not certified. For me it is no problem, everything I use seems to work very fine. ROM is stable, fast, smooth and has very good battery life 👍
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Khyamil:
Hi, I try to install LineageOS on Samsung Galaxy Tab A7 10.4 2020 (Wi-Fi). I flashed vbmeta, than restarted device, factory reset, another restart, chose language and region, restart and... error "only official released binaries are allowed to be flashed(vbmeta)" :(
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] ithilion:
Sounds like what I described a page ago (https://xdaforums.com/t/official-sm...7-2020-lte-wifi-version.4576699/post-89462761).

The OP hasn't been online since and for now I'm back on stock, hoping upates here or to the guide and or flashables will come eventually.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Khyamil:
Ok, I fixed it. Uncheck autoreboot in Odin, flashed vbmeta, manually restart in download mode again, flashed recovery. Restart device, it will be auto enter in LOS recovery to do factory reset -> do it. Than restart and the most important thing -> DON'T SETUP LANGUAGE! Just power off device and enter download mode. Uncheck autoreboot in Odin, flashed again recovery and manually restart in LOS recovery.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] amarithetopg:
Yes it does work
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] chrmhoffmann:
schedutil should now be set by default.

Chris
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Peter12205:
Thank you very much, having it in performance when using the ROM, I had the tablet at very high temperatures and the battery drained very quickly, I was always worried about that detail that could damage the CPU.

I leave the screenshot of how it appears on CPU-Z

The strange thing is that 4.19.306-perf+ continues to appear in the kenel #1 Tue May 21 08:21:52 UTC 2024 and as I understand it, it is no longer configured in performance.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] chrmhoffmann:
The perf+ suffix is just a name added to the version. It's not related to the performance scheduler.

See here: https://github.com/LineageOS/androi...rch/arm64/configs/gta4l_eur_open_defconfig#L1

Rgds,

Chris
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] rickroll'd:
I am unable to use the 3.5mm jack. Is it a known problem or just a me thing?
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] chrmhoffmann:
At least 3.5mm headsets are working here on both sm-t505 and 500.

Chris
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Peter12205:
The 3.5 mm jack input works the same on my tablet, the strange thing is that it is heard with little power having the volume at 100% with my wired headphones.

I want to think that it is my headphones that are causing the problem that the sound is heard softly, I have not tried other headphones if the same thing happens.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] rickroll'd:
T505 here, running the latest Nightly (the issue is not new). USB C headphones work fine but 3.5mm is detected but no sound comes nor the mic works but the center button does seem to bring up assistant so there's that. Doesn't bother me very much as I anyways carry a USB C to 3.5mm or use bluetooth headsets but just wanted to know if it's a known issue.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] chrmhoffmann:
Have you tried different headset? Tried cleaning out dust with a needle :) ?

Chris
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] rickroll'd:
No dice but now screen cast and screen record is also broken since 9th June build 🤪. Maybe I should stop updating every week.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] SmartJuwel:
When I click on safety & emergency the settings app is crashing. I'm on latest build with latest NikGappsCore. No ROOT.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] rickroll'd:
Hi, just wanted to inform you that a dirty flash did the trick for me. On a seperate note, I believe the CPU governer earlier was performance but now appears to be schedutil, causing me considerable slowdowns lately. Is there a way to set it to performance again?
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] chrmhoffmann:
People have asked the inverse already. So the only way would be to have a personal hack on your device to change the governor.

Chris
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] rickroll'd:
Found a "KernelPack Manager" by referring to the older posts. Works great, except battery life takes a considerable hit but I can live with it.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] SmartJuwel:
Now fresh installed with MindTheGapps. System is booting up 👍 but unable to login into Google Account with the Setup Wizard.. Safety & Emergency crashes.

Clean flash again with NikGappsCore and anything works except safety & emergency. I don't use this section, but maybe other users 🙂

Clean flash = Format System, factory reset and clear cache.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] lewmur:
If you flash the bgN version of the ROM, you don't need to install a separate gapps.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Peter12205:
This is not a GSI rom so here it is necessary to use gapps separately after installation for its perfect functioning
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] lewmur:
Sorry. I have four different Samsung tablets with the T500 being the oldest. There is a GSI version of LOS 21 but I haven't tried it on the T500. I haven't updated my T500 for a while so I have the 20240416nightly with MindTheGapps 20240225 installed and everything I use is working fine. If the latest versions are giving you problems, you might have better luck with an older one.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] talksickisil:
Okay, I just came across this yesterday, I installed the 6/11 nightly with twrp. Disabled encryption and installed magisk everything works great! Then this morning I dirty flashed the 6/18 nightly and I am not getting WiFi with it, I flip the proverbial switch to the on position for WiFi, go to the next page to search for networks and none are found, then when I go back to the previous page , the on off switch for WiFi will be back off. So then, I tried doing a clean install, still had the same issue. Is this just me with WiFi troubles? Thanks for sharing this , Dev. The kernel update alone has made my device substantially better
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Peter12205:
brother, I had problems with lineage 21 similar to yours, but I realized that it was because of TWRP, install the lineage os recovery from the official site for your variant, this will solve those problems that you have, in what in the future A developer managed to make a perfect and stable TWRP for our Galaxy Tab A7

For my part, there is no problem or error in this latest update on my device, everything is perfect, if it helps you, use the nikgapps core of android 14.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] talksickisil:
Accidental Double post self removed
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] talksickisil:
I see. No TWRP seems like a bad idea for my usage. Can you still disable FBE with lineage recovery? Does lineage recovery have a back up and restore option as robust as TWRP? I genuinely don't know, it's been several years since I used any LR variant, except Android TV. Also, I don't use gapps, but I imagine gaps won't have any impact on WiFi connection. In all honesty though, I'd be very surprised if a new TWRP released for t500
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] thaimaduc:
Im trying to install lineage on my Tab a7 t505, but after i flash vbmeta tar via Odin, the device restart and show the can't load android system as picture. How can i fix it
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] lewmur:
Did you do the factory reset?
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] thaimaduc:
i did, i flash the stock firmware and even lock the bootloader then follow the instructions from start but still have that error
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] rickroll'd:
You have to do the factory data reset, it's mentioned in the official install instructions.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] rickroll'd:
Select "Factory data reset" it will boot you into a fresh copy of One UI, then continue with the guide
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] thaimaduc:
i did factory data reset, then setup the tablet. The bootloader is still unlocked. then i flash the vbmeta.tar via Odin, and the tablet reboot but it didn't boot to lineage, it still boot to my previous set up samsung firmware. There's no option to format data as instructed
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] thaimaduc:
What do u mean by Dont setup language? does that mean dont set up anything at all, or leave the language as default and setup all the other things? Cuz if I dont set up anything and just power off right away, I can't flash the recovery
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Khyamil:
Don't setup anything. I sold device, so I can't check again.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Peter12205:
Check page 6, 7 and 8 there I left some tips on how to install twrp and then the rom, by the way, you always have to have the most current firmware and the bootloader unlocked and that it is grayed out oem in developer mode.

[UPDATED][RECOVERY][UNOFFICIAL]TWRP 3.6.2 for 2020 Galaxy Tab A7 10.4[SM-T500]

/* *Disclaimer * * Your warranty is now void. * * We're not responsible for bricked devices, dead SD cards, * thermonuclear war, or you getting fired because the alarm app failed. Please * do some research if you have any concerns about features...

xdaforums.com
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Mohamad.Jo0:
I have A7 T505N i nought second hand, after using it for a while i tried to rest it and i found it was locked by nox to educational institution, i bypassed the nox by wifi trick and downloaded dynamic island app to enable developer mode and disabled nox via pc app. But if i done factory reset i will have to do the same again, i want to install lineageos on this tab can i? It has android 12 oneui 4.1
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Teeheeman4000:
RIP Official Lineage OS support for this tablet :(
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Peter12205:
F in the chat for the Android 14 compilation of the Galaxy Tab A7 and all its variants, hopefully the developer will return to create Android 15 and this will be a break until lineage 22 is released
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] lazostat:
I have some questions :

1) I have bought the tablet for my kid last year, but the battery is very bad, also run out of storage always. Will installing a custom rom solve those problems or not?

2) If not, are there any advantages of installing the following custom rom?

3) Where can i find the TWRP to install the rom? Or don't need one?

4) For unlocking the bootloader and root, where can i see the instructions?
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] lazostat:
And last, opinion about Project Matrixx? Is this better?

[ROM][14][U][SM-T500][GTA4LWIFI] Project Matrixx v10.4.3 Vanilla [OFFICIAL] for Samsung Galaxy Tab A7 2020

Rom based on crDroid Android Disclaimer * We're not responsible for bricked devices, dead SD card, or anything that happens with your device. * Flash at your own risk/knowledge...

xdaforums.com
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] js-xda:
Well, that is a very subjective assessment that you are asking. No custom ROM will solve either a broken battery or too little storage for your use case while it may improve both aspects. Space will depend also on what additional packages you are flashing but most likely less than stock.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] sodnwsdho:
😭Is there still a chance to re-support
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] lazostat:
Guys i need your help. I have just installed LineageOs on samsung tab a7, but samsung kids doesn't work. Also galaxy store have a strange behavior and prompts me to login on Chinese.

Can you help me please? If samsung kids doesn't work, i have to revert back to original os, sadly..
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Peter12205:
install one ui again, this is an operating system based on stock android, like motorola.

The Galaxy store and others will not work unless it is returned to stock with the help of odin.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] lewmur:
Lineage is not a Samsung OS. When you install ANY GSI ROM, you lose all of the Samsung proprietary apps.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] chrmhoffmann:
Yes
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] lazostat:
There is no way to install all the core samsung apps to device and make them working?

How do i know which custom rom, it's samsung app friendly?
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] js-xda:
Not having tested it ever but my thought would be: If you want to have the Samsung experience, you should stick to Samsung stock.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] lewmur:
There are no GSI ROMs that a "Samsunt app friendly". If Samsung apps are a big deal to you your only option is to reinstall the stock ROM. Custom ROMs are for people who consider the Samsung apps to be bloat.

edit: Personally, if kids are going to be using the device, I wouldn't even want the bootloader unlocked. Much less a rooted custom ROM.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] lazostat:
Ok guys, thanks for the info!
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Teeheeman4000:
It's back on the Lineage OS website. Chrmhoffmann must've wanted to take a break, which is fair.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] rickroll'd:
Yep about a month considering the last build.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] chrmhoffmann:
gta4lwifi should come tomorrow, too - it's scheduled now.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] rickroll'd:
Will builds be every Monday or every Sunday like earlier?
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Peter12205:
Phew, how lucky, I thought I was never going to compile android for this tablet again, although I would have preferred it to take a little longer break to rest from editing software and binaries, since I suppose it must be difficult and take up a lot of time testing and editing and see what works and what doesn't.

Hopefully in the future I will build a kernel with an overclock at the maximum 2.4 Ghz and minimum 384 Mhz clock frequency for this device since perhaps in Android 15 if it is developed in the future it will cost a little more to run it and a kernel with OC would be the solution to continue having good speed like on Android 13 and 14.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] r100:
Thank you soo much @chrmhoffmann for making and maintaining this ROM, I love it! Thanks for making this tablet actually feel like a responsive SD662 device, unlike the original software which made it feel like an SoC from the Snapdragon 400 series. Obviously the storage is still eMMC and not UFS, but somehow LineageOS seems to work around this limitation pretty well. And official support with OTA is the cherry on top, cheers to you :)
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Nex137:
I messed up. I had Lineage installed and working, then I decided to try locking the boot loader. It said it was going to factory reset and I said okay. Now it only boots directly into download mode and displays:

partition vbmeta

Reason vbmeta: Public key used to sign data rejected. (5)

CUSTOM vbmeta

VBMETA : No sign info

Everytime I reboot, it comes back to this message. How do I fix this?
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] lewmur:
You can't boot LOS with the bootloader locked. You have to either unlock it or use Odin to flash stock ROM.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Nex137:
Okay, I've learned my lesson. How do I get it to boot into LOS again? It's stuck in download mode with this error message.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] lewmur:
You need to start from scratch by flashing stock ROM.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] rickroll'd:
Download the stock ROM from somewhere like samfw.com and in Odin flash every file in their respective slot. They have an instruction guide on the website too but skip the part where they tell you to boot to download mode cuz you are already there.

To reinstall LineageOS, follow the guide again and this time don't relock the bootloader. :)
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Nex137:
Thank you so much for the help! I flashed the stock firmware, then followed the instructions for LineageOS. Now I have a working tablet with Lineage again! This time I will leave the bootloader alone :)
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Rienquejefourretago:
The tablet will be faster with LOS 21 than stock or no ?
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Peter12205:
Any device that has pure Android and not a customization layer like One UI or MiUI among others and no matter how light that layer is or is cut and the device is slow, pure Android always gives you that speed that you lose due to that layer.

In my case I am using the variant with microg which is even faster and does not consume a lot of battery and does not heat up so easily.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Rienquejefourretago:
Thank you for your help, for microg i install the apk instead of mindthegapps ?
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] rickroll'd:
Your welcome
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Peter12205:
gta4lwifi

Galaxy Tab A7 2020 Wifi SM-T500
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Rienquejefourretago:
As i understand i don't need to reflash vbmeta and recovery, i can directly clean flash lineageos for microg
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Deepansh Pandey:
you just need to create a tar zip with 7 zip and you're done.

just pick that tar in AP section of odin

like I said Easy Peasy
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] UnderscoreKer:
Edit: Flashed with Odin instead.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Deepansh Pandey:
try with odin

use 7zip to create tar ball and flash using odin

select the created tar files in AP and flash
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] UnderscoreKer:
Did exactly that, thanks to your post from before :)
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] UnderscoreKer:
Mild annoyance: I have the official samsung folio smart case which has magnets to wake the screen when the case is opened. The rom does not automatically wake/sleep the tablet when the cover is opened/closed.

Otherwise the rom is quite smooth so far. General performance and battery life is similar to the official rom which I heavily debloated. But some apps do perform slightly better. The responsiveness is also much better in general.

Very nice experience so far.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Deepansh Pandey:
I have the folio cover too and auto screen on/off doesn't work for me too, I've tried mamy apps from Play Store but they too doesn't work 😕

either way its a small price to pay.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] chrmhoffmann:
Didn't even know that this exists, I'll have a look.

Chris
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Deepansh Pandey:
it's actually not that important so do as you wish...

but please create a telegram group for discussion checking onto xda is kinda annoying.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] chrmhoffmann:
Does someone have Netflix and can test if it works?

Chris
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] lewmur:
And I find telegram not just kinda annoying but extremely annoying. To each his own but, personally, I wouldn't create a group just to please one person.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Deepansh Pandey:
yup it works.

Only in prime video we get 720p but

netflix and all other ott run at 1080p no problems.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Deepansh Pandey:
even I don't like telegram that much ,I prefer discord over everything but it's not what we want, but what will attract most users.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] lewmur:
Well if nobody has already created a group for it, then obviously XDA is attracting more users. LOL.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] chrmhoffmann:
Feel free to open whatever group.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Deepansh Pandey:
Tab A7 | Lineage OS

[OFFICIAL LineageOS for SM-T500 / SM-T505 / SM-T505N / SM-T505C / SM-T507, gta4l/gta4wifi]	LineageOS 21 for Galaxy Tab A7 (2020)	ROM Maintained by @chrmhoffmann

t.me

Please join

And if possible put in thread's main post
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] chrmhoffmann:
Done
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] SanHelios:
hey, i have this weird problem, that i can't enter download-mode. I enabled developer settings and OEM-Unlock is toggled though,

Can anybody explain, what exactly the steps are? Maybe i missed something out. Thx a lot.

@chrmhoffmann You are a genius... thx a lot. :)
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] UnderscoreKer:
Did you connect your tablet to a pc first? You can only go into download mode when connected to a computer.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] SanHelios:
Hmm... Still nothing.

EDIT: Yes it worked, thx... :D
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] DJ_BARO:
Hello,

i tried to install this room but the zip installation process ends inmediately with 1 saying its for gta4l but the device is gta4lwifi (which isnt through its the LTE variant) and also with the latest LTE Firmware T505XXU4CWD1.

Any advice? Just to be sure, how to flash the two img exactly? To flash with odin do i need to repack thoose two files into one tar?

Many Thanks! :)
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] UnderscoreKer:
To flash with Odin, I used 7-zip to right click and compress the 2 files into 1 tar file. Then used the AP slot to flash.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] DJ_BARO:
Thank you i figured it out by myself like that! :)
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] meohmy:
A silly question I expect, is this recovery image twrp and can exposed modules be used?
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] walter79:
Link is wrong.

Devicetree

https://github.com/chrmhoffmann/android_device_samsung_gta4

This one works: https://github.com/chrmhoffmann/android_device_samsung_gta4l