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[ROM][10.0][UNOFFICIAL] Nexus Stock for 2019 Galaxy Tab A 8.0 [SM-T290]

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djrexy

Member
Apr 29, 2013
27
2
Transfering files from PC to internal memory or card SD not working. Is only charging. If you switch to transfering files-nothing happen. Another bug wha i find is Magisk. When i install Magisck via TWRP i have restarts every 1 minute.
 
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djrexy

Member
Apr 29, 2013
27
2
I can confirm - right after I flashed Magisk.zip via TWRP the tablet reboots by itself every minute or so. I guess I can reboot to recovery, wipe/format and reflash the ROM, but I need root, which means I need to flash Magisk... any ideas?
probably i'll be back to stock rom and then push magisk
 

Magendanz

Senior Member
Mar 25, 2008
783
736
Issaquah, WA
www.Vote4Chad.com
Transfering files from PC to internal memory or card SD not working. Is only charging. If you switch to transfering files-nothing happen. Another bug wha i find is Magisk. When i install Magisck via TWRP i have restarts every 1 minute.
That file transfer is called MTP, and it's listed as a known issue. I've fixed it with a custom kernel build for TWRP, but that breaks WiFi (seemingly due to some issue with enforcing SELinux). Losing wireless networking is fine for TWRP, which doesn't use it, but not for the main system.

As for Magisk, I don't use it and so don't test it. You'll have to troubleshoot that on the Magisk forum.
 

Mitar00

Member
Jul 12, 2015
46
1
Belgrade
That file transfer is called MTP, and it's listed as a known issue. I've fixed it with a custom kernel build for TWRP, but that breaks WiFi (seemingly due to some issue with enforcing SELinux). Losing wireless networking is fine for TWRP, which doesn't use it, but not for the main system.

As for Magisk, I don't use it and so don't test it. You'll have to troubleshoot that on the Magisk forum.
When are you dropping the android 11 build brother? I'd gladly test it if you need.
 

mateuxi

Member
Nov 27, 2015
37
3
is solution to get working netflix app?
I got netflix working by downloading the latest netflix beta apkm from apk mirror, then installing it with the apkmirror installer.
However, widevine drm is on L3 status on almost every custom rom, that means that you can't play HD content, there is a hack to fix it but it relies on Magisk, which doesn't work on this rom for the moment.
 

mateuxi

Member
Nov 27, 2015
37
3
As soon as we get a stable ARM64 build of OpenGApps for Android 11. We finally got an update on May 13th (after almost 4 months) and it's giving me a black screen during setup.
Just installed and thoroughly tested the latest build of your rom, it is smooth and stable as f*k. There was no way to get the poor thing to run as fast on stock, thanks. The only problem I've found is that Magisk makes the system restart one minute after it boots, but the rom allows for root over adb and that has been enough for my needs.

Once again, thanks for the incredible rom, you have been singlehandedly carrying the entire rom development community for this device.
 

mateuxi

Member
Nov 27, 2015
37
3
Hi, I tried to use the mic on a zoom call and discovered that the mic (and audio in general) isn't working right, I tried changing all the configs related to audio in Phh config and still nothing (in any audio recording app, not just in zoom), I could get a bluetooth headset working, but then the mic would work but the audio would still go through the speakers. Any ideas for a workaround?
 

V0latyle

Senior Member
That is the reason why you gave bootloop
How do you figure? Flashing Magisk via TWRP patches the boot image.

I installed Magisk on the tablet, but it crashes on startup. I'll try patching the image but I'll have to do it on another device.

I'm not even sure how to flash the boot image since Samsung doesn't use fastboot.

Is MTP working for anyone else on this ROM?
 
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cossak2007

Senior Member
Jul 30, 2012
169
8
Canada
How do you figure? Flashing Magisk via TWRP patches the boot image.

I installed Magisk on the tablet, but it crashes on startup. I'll try patching the image but I'll have to do it on another device.

I'm not even sure how to flash the boot image since Samsung doesn't use fastboot.

Is MTP working for anyone else on this ROM?
 

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  • 1
    I was having the continuous reboots on the January build, so I updated to the May build, and now the tablet only boots to TWRP. Any ideas?
    Have you tried flashing T290XXU3BUC1 system before the ROM?
  • 6
    qPD09.png

    Here's my first effort at porting the Nexus Stock custom ROM to the 2019 Galaxy Tab A 8.0 [SM-T290] on Android 10. It's very much a work in progress, but it should hopefully help blaze the trail for even better work.

    Notes:
    • The current process may require you to reset to factory defaults to remove file-based encryption. Remember to backup your data!
    • The system is based on @AndyYan's LineageOS 17.1 (LQ) with the latest Stock variant from OpenGApps.
    • Boot animation and default wallpaper is from my Nexus series of custom ROMs for Android TV, and I'm using the Pixel boot animation with black background.
    • This should be installed using my latest TWRP build for the SM-T290.
    • The properties now correctly identify the device as a tablet, and so the Google Dialer and Messenger are no longer installed. I've also disabled the Emergency button, but SetupWizard still insists on reminding you to insert a SIM (sigh!).
    • This is unofficial and unsupported, so the usual caveats apply. Since we don't mess with the bootloader, you should be able recover from any problems...but nothing is guaranteed.

    Not working:
    • Support for file-based encryption
    • MTP support (pending Samsung kernel source update)

    Downloads:
    Build Archives:
    Change Log:
    20210516:
    • Switched GSI from custom AOSP build to the latest LineageOS 17.1 (20210512).
    • Restored enforced OEM file-based encryption to work around issue with screen lock.
    • Sized boot animation correctly for 720p screen.
    • Worked around issue with OpenGApp's Google Recorder installation.
    • Updated to OEM stock T290XXU3BUC1 kernel (March 2021 Update).
    • Updated TWRP recovery to v3.5.2_9-0.
    • Updated Google apps from latest OpenGapps Stock variant (20210515)
    20210104:
    • Updated to OEM stock T290XXS3BTL6 kernel (December 2020 Update).
    • Updated TWRP recovery to v3.5.0_9-0.
    • Updated Google apps from latest OpenGapps Stock variant (20201223)
    20201223:
    • Initial build based on OEM stock T290XXU3BTI2 kernel (September 2020 Update) and AOSP 10.0 v222.
    • Latest Google apps from Stock variant of OpenGApps (20201205)

    Instructions:
    • Ensure bootloader is unlocked and TWRP is installed.
    • Ensure matching OEM build (e.g. T290XXS3BTL6) is installed.
    • Reboot to TWRP.
    • Factory reset with Wipe->Format Data. (Not necessary for incremental upgrades.)
    • Tap Install, select your update (.zip file), and then swipe to install.
    • Reboot to system.

    Source:

    Donations:
    • Your support is always appreciated! Just click here.
    • I'm leveraging a ton of work done by @phhusson for Treble GSIs, so please show him some love here!
    3
    Note: If you install Google Recorder from the Google Play Store, it works just fine. The issue is with the pre-installed APK from OpenGApps.
    3
    SafetyNet check failed (but basic is true). SafetyNet on stock firmware failed too, but MagiskHide always help. In your ROM, if i turn on MagiskHide, i got cyclyng reboot, over and over again until i turn "hide" off.
    SafetyNet fails by design on any device with an unlocked bootloader and custom ROM. Magisk has its tricks to try to fool SafetyNet, but it's a bit of Whack-a-Mole game.
    Can you make a custom Kernel with GPU Overclock? Tablet not so bad and run some games pretty well, with overclock they can be runs much better.
    Unfortunately, the Android 10 kernel source that was posted last week is not working. It compiles fine, but builds to a significantly different size and crashes to the bootloader when packaged in either boot or recovery images. Until that's addressed, I can't provide an MTP fix or any overclocking.
    3
    Note: I just posted a v3.4.0-1 update to my TWRP for SM-T290 thread that includes a new custom T290UES3ATC1 kernel fixing MTP support. If you install it over the TWRP build included in this build, it will allow file transfers on this custom ROM by rebooting to recovery.

    Since this is an Android 10 custom ROM, I can't use it in the boot image, but it's a workaround until we get working T290XXU3BTI2 kernel source.
    3
    Hi, there. I've managed to get the image installed, used the compatible version, etc. After rebooting, I got to TWRP, did the wipe, etc. Upon reboot, I get through to the setup process, skip the SIM setup stuff (no cell stuff in this T290) and then when trying to add a wifi connection, it never completes the "Connect to WiFi" step. If I skip, I can get through manual set up of the basics, manual time config, a few other prompts. All that seems okay. But even when I get to the main menu menu, it seems like everything is working (pulls up, etc) but I'm still not connected. The WiFi radio appears to be turned completely off. Each time I try to turn it back on, it flashes on for a split second, then immediately turns off again.

    Any ideas I can try to get this enabled?
    Okay, all weekend I've been trying to figure out why wireless isn't working on my custom kernel, but it appears the OEM kernel isn't working as well...and I didn't even realize it. This is actually a hugely valuable data point that will drive my troubleshooting in an entirely different direction.

    I'm embarrassed that I missed this in my initial smoke testing, but at least I know that my MTP fix is solid. More info to follow...