Hard to find much on or about these $64.00 tablets from Walmart, so I thought I would throw this out there. The bootloader is unlockable and it has project treble support. Support is A-only, no seamless updates. Magisk installed just fine and then Riru-Core and EdXposed. I don't know where one would get stock boot.img so I tackled mine by using mtk-su by @diplomatic. Once I got a root shell I used dd to dump boot.img with "dd if=/dev/block/by-name/boot of=/sdcard/boot.img". It looks weird but platform and soc weren't needed. Install Magisk Manager and let it patch stock boot.img. Transfer magisk_patched.img to PC. Tablet connected to PC use "adb reboot bootloader" once in fastboot mode use "fastboot flashing unlock" and follow on-screen prompts to unlock bootloader. Set tablet up again in developer options for adb as unlocking performs factory reset. Reinstall Magisk Manager then use "adb reboot bootloader" again and finally the money shot "fastboot flash boot magisk_patched.img". I'm not sure if it was helpful or needed but I then used "fastboot oem reboot-recovery" and wiped cache partition from stock recovery. After cache wipe completes, reboot system and go to Magisk Manager and check installation and updates then tend to whatever you think necessary. In the Magisk downloads section is Riru-Core and EdXposed which install same as any other module. From there I can confirm Gravitybox works, so far I've enabled the advanced power menu,navbar tweaks changed button color and button glow color and duration, also forced overflow menu. Bloat is very minimal on these with I believe 5 Sam Walton based apps which put up no resistance to pm hide command and later removal. I removed them (and then some) after making a backup with Advanced Tools Pro. Still in the process of finding out what should or shouldn't be removed. I stumbled upon a simply named but quietly complex root app by the name of Disable Application (ROOT) that is worth checking out. And of course fastboot and adb commands above are without the quotation marks. If you pick up any of my bad habits from reading the above, which in turn have any ill effects on your device, I am in no way responsible. In other words, wuzzn't me.
edit: I had this tucked away and easy to miss so here it is.
magisk_patched.img, mt8163_scatter and a few more things
IMG Files pulled from device using dd
I have added a full backup taken with TFM Tool that can be flashed with TFM or individually with fastboot
(Folder emptied by google)
There is an SP Flash Tool backup and tools on @CaffeinePizza 's server here: https://www.nathanbar.net/files/android/
There is also a flashing guide that works very well in post #192 by @CaffeinePizza
edit: I had this tucked away and easy to miss so here it is.
magisk_patched.img, mt8163_scatter and a few more things
IMG Files pulled from device using dd
I have added a full backup taken with TFM Tool that can be flashed with TFM or individually with fastboot
(Folder emptied by google)
There is an SP Flash Tool backup and tools on @CaffeinePizza 's server here: https://www.nathanbar.net/files/android/
There is also a flashing guide that works very well in post #192 by @CaffeinePizza
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