yashsingh1/xdaforums huggingface dataset:
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Rawwrius01:
Yes :D Im still learning all that dev stuff. But i wont get that deep because of less time... I will improve the kernel from time to time and maybe the rom but bringing a custom rom to this device is pointless in my opinion. I use this tablet for university and i love the samsung multitasking feature and spen optimations. So there wont be a custom rom for this device unless its a TW Rom based.....

My goal is to get the most performance and battery life out of this device. OC by keeping the stock frequencies is a great improvement in performance without increasing battery drain.

Here is the Rom : https://drive.google.com/open?id=1ee6K6Uvu9Z3SKrao-PfCp0p25fQnj64j
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] arielsub:
thank you! I installed the rom and the kernel. It works really well, also is very debloated, nice rom! Do you know if there is a way to keep te big cores activated? I tried different gobernor settings but all of them turn off the big cores after a while. I'm using oxygen.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Rawwrius01:
Its normal. They only get activated when needed to safe battery..

Thanks :D i will push a last update with some more changes soon. But this will be the last one for the first time.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] arielsub:
Nice, I'll be waiting for the update. Thanks for your hard work dude! :good:
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Rawwrius01:
Im still learning :D Thanks for the kind words. But every user can help!

1. New version is comming with a lot of includes like shed's and hotplugs ( govs etc are included alredy) it would be awesome if you could test the different gov, sheds ect and look which one is the best in therms of performance and battery balance (which is my goal) that would be awesome.

2. hitting thanks will motivate me to put more work in it :D

the chngelog will be up to date but only the main diffs the ''under the hood'' thinks can be tracked on github.

Thanks, Darius.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] tska:
Is there a P585 version?
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Rawwrius01:
ATM no. I don't own the device so I can only try .... But it shouldn't be that hard. I will look into this next week.

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[Samsung Galaxy Tab A series ROMs, Kernels, Recover] tska:
Thanks!

I'm looking for the latest stock debloated that includes Air Command for S-Pen. I am reading everywhere but couldn't find a guide to properly deodex, debloated and zipalign it.

Nice to see that this thread custom kernel mod gives performance and maintains the battery quality without drain to a stock rom.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Rawwrius01:
search for assayyed kitchen... its very simple to use its the tool i started with. perfect for debloating and some tweaks. you should try it ;) we need more guys for the spen development.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] tska:
Thanks mate! I will read this guide to understand how to build those roms. I just found it!

https://xdaforums.com/android/software/guide-how-to-develop-modify-roms-t3616040
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Rawwrius01:
Right :)

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[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Rawwrius01:
Little heads up,

I am trying to revise the kernel to another source. It's already booting but wifi is gone .....

For the p585 I need some files. If someone could download the latest kernel source from the Samsung website and post the makefile and defcon would be really nice :D (saves me a lot of download time)

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[Samsung Galaxy Tab A series ROMs, Kernels, Recover] burshturs:
Thank you very much for your hard work. I tested the kernel and it works great with your debloated ROM. I did find some issues with the ROM but not the kernel. Specifically, that device maintenance is not installed so there's no access to storage and battery settings.

I will try the kernel on a full stock rom and let you know how it works.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Rawwrius01:
Didn't noticed that :D but I think I will add this. Do you have the APK name ? If there is a new version I will update the ROM as well. Seems that Oreo will come in this month till early next year.

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[Samsung Galaxy Tab A series ROMs, Kernels, Recover] burshturs:
The name of the app is Device Maintenance and I think the app name is devicemaintenance.apk.

BTW, I installed a stock firmware, rooted it and then installed your kernel and it works like a charm. I am overclocking both the CPU and the GPU to the max and it runs really fast.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Rawwrius01:
Nice to hear :D I will look into that.

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[Samsung Galaxy Tab A series ROMs, Kernels, Recover] mordantly:
Can you support ext2/4 sdcards?
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Rawwrius01:
Why ext2 ? [emoji28] And ext4 should be supported out of the box by Android.

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[Samsung Galaxy Tab A series ROMs, Kernels, Recover] mordantly:
Stock Sammy jernels on my S3 and S5 won't mount ext2 or 4 sdcard or usb otg.. no easy way to mount and tell vold. I use CM because it works with ext2.. flash friendly and backup flash storages. This device I would like to use the same medias but vold not playing nice.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Rawwrius01:
Okay, I will try to add this but I'm not sure if I can :D atm I'm trying to revise again [emoji28] I have not that much time and need a new hard drive for my laptop to build. But I have planned some other options like switching to linaro 7.x remove some governor's ( not all of them are good) ect.

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[Samsung Galaxy Tab A series ROMs, Kernels, Recover] mordantly:
If you can, awesome.. I haven't rooted and tickled the stock 7.0 yet. Lol.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] burshturs:
Quick question, why is version 1.2 not stable? I've been using it for a while and haven't had any issues.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Rawwrius01:
1.2 ist stable but because I'm still a beginner I will try to improve the Kernel even more. It's very basic atm. It would be nice if I get lz4 compression and some battery / performance tweaks.

The problem is, that I breaker always wifi if I add more tweaks and have to restart.

I'm using v1.2 as well as my daily driver

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[Samsung Galaxy Tab A series ROMs, Kernels, Recover] burshturs:
Do you have the stock kernel in flasheable format? Or is there a way for me to extract it from the stock firmware?
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Rawwrius01:
You can Download the rom from this thread and install it ( its a debloated stock rom) or extract the boot.img from it and flash it via twrp.

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[Samsung Galaxy Tab A series ROMs, Kernels, Recover] burshturs:
Thanks for the reply. So I can just take the boot image from the rom and flash that using twrp?
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Rawwrius01:
It should work. But als always, so a backup.

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[Samsung Galaxy Tab A series ROMs, Kernels, Recover] burshturs:
Thanks for the help. I was able to switch to the stock kernel and immediately noticed the difference in performance. I hope you continue working on this and can even improve things further.

Thanks for all your hard work.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Rawwrius01:
I will. But maybe I start to continue when Androd 8 is released for our device.

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[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Rawwrius01:
And Oreo is up :D

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[Samsung Galaxy Tab A series ROMs, Kernels, Recover] burshturs:
I saw that too. The one I found is from South Korea. Did you get to try it? I noticed that the firmware is much smaller in size than previous firmware.

I tried to flash it using Odin but it didn't flash it. Looks like the partitions are different since Odin was asking for a PIT file.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Rawwrius01:
I am making a flashable debloated version with root ect. I think this weekend i will look into the kernel ( if samsung released the source) I will upload the zip if it works.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] burshturs:
That would be great! Maybe you could also create a zip with the removed apps. I sometimes miss some of the apps removed on some debloated roms, for example the game optimizing service, the device maintenance app, Samsung backup and galaxy apps.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Rawwrius01:
Thats what i was thinking of :D but i think it would be much easier to flash pre made debloater script from another oreo samsung device. It should also work.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] paulwollf:
Can you select German language in the south korean rom and is there a lot of asian bloatware?

I want to flash it on a German t580
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Rawwrius01:
a lot of problems :D hat to format my device and it looks like that twrp doesnt support oreo now.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] burshturs:
How did you manage to install it? Did you have to repartition? Also, were you able to go back to nougat? What problem did you have with TWRP?
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Rawwrius01:
using odin 13.x then flash latest twrp from twrp site and flash via odin. doing the encryption stuff and it works but twrp has some screen issues only strange lines. not usable. i am trying to build it right now but i have to look how :D.I think the main problem is that the recovery is build with android 6 source.

i have / debloat/ rooted the stock rom ect. but i need twrp to flash.

didnt try to go back to 7 so far.

edit:

looks like we have to wait till we have a working twrp....

And I'm back to 7.0. was no problem. Flashing a 7.0 built with Odin, TWRP and restore my backup.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] burshturs:
Thank you for letting us know. How did you get the firmware to flash with Odin? When I try it I doesn't work and it asks for a PIT file. Am I missing something?

Edit: I realized I was using an old version of Odin. I was able to flash it with Odin 13.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Rawwrius01:
So you are running Oreo? Does twrp work for you?

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[Samsung Galaxy Tab A series ROMs, Kernels, Recover] burshturs:
I tried it for a few hours and had the same issues with TWRP so I went back to nougat.

I've been out of the rooting scene for quite some time, but I know that in the past there was a method to flash a stock firmware while maintaining root accesss using the flashfire app. However the app doesn't work for me at all and I need to be rooted since I have some system folders mounted to my SDCard which helps with the low storage of this tablet.

I was thinking that maybe TWRP is just not working graphically, but there are apps that allow you to flash things on TWRP directly from the app without having to actually to anything manually in the recovery. So, in theory, if I managed to flash the stock firmware without losing root, and if TWRP was still working despite of the graphical glitches, we could still be able to flash zips using an app. However, the flashfire app is no longer being maintained and doesn't work for me. If you want to try it out you sou,d need first to root the tablet with supersu instead of magisk. Maybe you could get it to work since you are more knowlegeable than me.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Rawwrius01:
I contacted the twrp builder team for making a compatible teamwin. I will try to use the Oreo kernel for the teamwin.img and look if it works.

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[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Rawwrius01:
Was able to get team win working with display but now it won't recognize the internal and external sd card :D

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[Samsung Galaxy Tab A series ROMs, Kernels, Recover] burshturs:
Thanks for the update. I'm glad to read that some progress was made. Is your SDCard formatted in exFAT or is it formatted in a linux filesyste. I know that sometimes TWRP doesn't detect the internal storage, but it normally detects the external SDCard just fine. Hopefully the teamwin team will get back to you and help you sort it out.:o

Edit: I am willing to try the recovery in my tablet to see if I experience the same issue. Did you modify the original recovery and created a new recovery image? I yes, I am willing to try the new image and see how it works for me.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Rawwrius01:
I just unpacked the stock Oreo kernel and the twrp img and put the dtb and image file from the Oreo kernel in the recovery img and repacked it.

The filesystem is the stock one from the SD card.

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[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Rawwrius01:
Ive got a working build :D I have to test if root is working and other features like spen and so on ...
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] burshturs:
Those are great news! I suppose you figured out the recovery issue. :)
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Rawwrius01:
the recovery is also working but wifi isn't. I think its because i modified knox, the default prop usw... i need the stock kernel. Stupid as i am i deleted the stock rom and have to downloadt it again but the download tool isnt working.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] burshturs:
I downloaded it from sammobile. It's available there but with a free account the download will be slow. Which part of the firmware contains the kernel? Is it in the BL or in the AP? I could upload it to Dropbox for you.

Also, could you share the fixed recovery that is working for you for me to try it out?
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Rawwrius01:
It's the same recovery. I use another installer script. It's the AP file which contains the firmware boot.img ect :D that would be awesome.

I will try to upload a flashable zip only debloated. For a modified kernel I need the source code which isn't available yet.

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[Samsung Galaxy Tab A series ROMs, Kernels, Recover] burshturs:
Great, you can download it from here https://drive.google.com/file/d/1Ku_kefstjiTSDNs2t9K6Sg6abeDXxSP3/view?usp=drivesdk

I uploaded the entire firmware in case other users want to download and flash. It should be up in about 15 minutes.

So about the TWRP recovery, is there any way to flash it via Odin? You mentioned you used another installer script, does this mean you didn't flash it with Odin?

I would be happy with a stock rooted firmware, but for that I need a working recovery. I normally install the stock firmware and then uninstall the system apps that I don't need and also set folder mounts for the data and obb folders to my sdcard. I would then flash any improved kernels, like yours, on top of that. Maybe you can explain how to get the recovery working. I would really appreciate it.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Rawwrius01:
I used a flasable ROM from another firmware for another device and replaced the firmware and kernel with the one for our device ( I mentioned that I'm a bad dev lol ) with this method the twrp will work for me.

I contact Samsung to release the source it could take up to 2 weeks. Then I can try to make a kernel for Oreo. The problem is always the wifi.... I download the firmware and try to make a flashable stock ROM.

Edit: looks like it wont work and my skills aren't good eneugh to fix it sorry....

i don't know if it's the recovery or the installer... when it boots wifi isnt working and i think thats a critical bug .

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[Samsung Galaxy Tab A series ROMs, Kernels, Recover] burshturs:
Thank you very much for trying and for keeping us updated. I'm sure you'll figure it out soon.:) if you need anyone to test anything you can count on me.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Rawwrius01:
I will :D

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[Samsung Galaxy Tab A series ROMs, Kernels, Recover] mordantly:
What firmware is this? Stock etc? As to odin and twrp... get the tarball not img and put in AP slot. Make sure uncheck auto reboot or you must be ready to hit vol up home and power as soon as it reboots! Otherwise when odin reports SUCESS hold vol up home power. Will take 5 to 10 seconds to reboot from download mode. Hold until twrp splash screen.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] burshturs:
That's the stock oreo firmware that can be flashed with Odin. I can flash it and it works fine. The issue is with TWRP. It is not working with this new firmware. Once you install it and get into it it just shows some weird lines and it's impossible to do anything with it.

Maybe you can try it out and see if you can get it to work for you.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] mordantly:
The download wouldn't start on my lte connection. Will have to try on a friends wifi. Did the oreo bootloader lock you out of nougat?
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] burshturs:
If what you're asking is if I was able to go back to Nougat, yes I was without any issues. Just make sure you are using the latest version of Odin.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] cmzizi:
Good day guys. Did anyone win with twrp?
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] NiceVietBoi:
Greetings friends I'm looking for a good stable rom for my sm-p580 I'm wondering what would you guys recommend. Thank in advance!
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Rawwrius01:
Sadly there aren't many roms :D you can use my rom. It's simply stock with some goodies and heavy debloated.

So as I see there is official ore out for much more country's (Germany as well) I will look this next week / weekend into this. TWRP is booting but with external sd problems and no mtp.

Sadly the team win builder team has rejected my request for our tablet. And I can't compile tw because my skills aren't that good :).

I've got a working flashable zip from Oreo the problem was, no wifi and Bluetooth. Now the kernel source are out and I try to fix it.

My plans are:

Making a flashable stock ROM without any changes (for now) put root on the internal SD, flash it and look if it's working.

After that looking the fix the wifi problem. I think it's easy to solve. Maybe deactivate force encryption and such things.

If this also is working I try to debloat and deknox the rom + starting with the Siri kernel for Oreo.

But you won't be able to flash things from SD ore over mtp.

Also I think you have to flash the Oreo bootloader before flashing the Oreo ROM.

It's very frustrating that Oreo is out and I can't install it [emoji28] I need my tablet for university so I can't test it a lot. This means the progress is very slow ....

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[Samsung Galaxy Tab A series ROMs, Kernels, Recover] NiceVietBoi:
Right now I have stock rom with twerp and root access. Everything esle is untouched as I will be giving away this tablet to someone in a month. Can you confirm everything will work perfectly fine including the s pen with your rom?

This one? This rom is nougat right?

https://drive.google.com/open?id=1ee...fCp0p25fQnj64j

Do I have to flash the kernal?
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Rawwrius01:
I use this ROM for months now without any issues. You don't have to flash the kernel.

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[Samsung Galaxy Tab A series ROMs, Kernels, Recover] NiceVietBoi:
Thanks for your answer!
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Rawwrius01:
I've got stock Oreo ROM booting with twrp and root. Also wifi is working. I'm testing to debloat the ROM and look if it's still working.

Edit:

It's working. I will upload the ROM later with flash instructions :) remind it's only a debloated stock ROM for now. No tweaks overclock or deodexed. But at least Oreo :D

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[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Rawwrius01:
Another issue. You have to format the internal SD card Everytime you reboot....

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[Samsung Galaxy Tab A series ROMs, Kernels, Recover] NiceVietBoi:
That suck you have to format internal SD card everytime you reboot. Thank for your hard work Rawwrius01! I hope you can release a working oreo rom with no issues soon.

Edit: btw I already installed your nougat rom. Thank you again!
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] mordantly:
Did you downgrade to N or was bootloader locked?
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] NiceVietBoi:
If you're asking me I did not downgrade to N or did anything to the bootloader.

Rawwrius01

I have another question for you. I have to flash the kernel in order to get my cpu overclock right? Or maybe I'll wait till you release Oreo and I will flash it.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Rawwrius01:
Yes the Kernel has some features like overclocked cpu and GPU :) I can't tell when I got a working Oreo build. The main problem is twrp.

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[Samsung Galaxy Tab A series ROMs, Kernels, Recover] NiceVietBoi:
Rawwrius01 try twrp-3.2.3 with Oreo see if you can get twrp to work. I heard ppl got twrp to work with that version I haven't try it out yet.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Rawwrius01:
Can you give me the link to the recovery?

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[Samsung Galaxy Tab A series ROMs, Kernels, Recover] NiceVietBoi:
this twrp is for sm-p580. Im not too sure if it work with oreo tho. I havnt try it yet because i still need to download the Oreo firmware from sammobile which take forever. Let me know if it work for you.

https://dl.twrp.me/gtanotexlwifi/

edit: Also someone found a solution to get oreo working wih Magisk if you like to take a look into that

https://xdaforums.com/galaxy-tab-a/help/twrp-p580-running-oreo-t3869102
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] mordantly:
If someone can confirm oreo can be downgraded back to BQK1, I can play with it as well. But if O bootloader is locked, I'm not getting screwed by sammy like my S5 did.
[Samsung Galaxy Tab A series ROMs, Kernels, Recover] Rawwrius01:
This is the recovery I've already tried. The problem is that the display won't work correctly when you upgrade your bootloader to Oreo. So I took the recovery from the t580 and switched some files from the p580 kernel in it and the display is working but you won't be able to flash anything. It won't recognize the internal SD. I think you have to recompile the recovery with ore source. Sadly I don't know how and haven't much time to study how.

I switched a couple of times back from Oreo to Nougat. You don't need to update your bootloader to run Oreo. But you could also flash the nougat bootloader with Odin and then flash my rom. This should work to go back to nugat.

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[Samsung Galaxy Tab A series ROMs, Kernels, Recover] NiceVietBoi:
Im thinking about using odin to flash P580UEU1CRK2 . If there is anything wrong or if i want to go back to the original state like new how do i do it? How do i still get stock rom and still get OTA update to oreo? If that not possible then how do i go back to nougat? Do i just download nougat firmware and flash it with odin? :confused: