yashsingh1/xdaforums huggingface dataset:
[Android Stick & Console AllWinner based Computers] SamuEDL:
Installation guide: https://xdaforums.com/t/extract-boo...0-allwinner-a100.4338541/page-2#post-86720467

Rom: https://sourceforge.net/projects/an...808-UNOFFICIAL-treble_a64_bvS.img.xz/download

Rom Thread: https://xdaforums.com/t/gsi-10-lineageos-17-x-gsi-all-archs.4004673/

If you need gapps, you can use LiteGapps. Which can be installed from magisk.
[Android Stick & Console AllWinner based Computers] Zeh John:
Many thanks again, SamuEDL!

I've downloaded the ROM and all the other needed little img files. And I've got a lot to read from the threads you've given. Appreciated!

Thanks for mentioning Gapps and their installation from Magisk, you've saved me on that one since I'm used to flash them with TWRP before the 1st boot on LineageOS18, but that does not apply here.

I got the Gapps from:

https://sourceforge.net/projects/li...LiteGapps_arm_10.0_v2.5_official.zip/download

I got the LiteGapps version because I only need the PlayStore and I can get the YouTube app from there.

And since this tablet only has 1GB of RAM, I want to keep things very minimal.

Just one thing I did not understand: the download page has links to download the Gapps and also the Addon. I don't know what this Addon is and a quick search on Google didn't help.

So what is it exactly? Is it also needed or optional while installing the Gapps?

Once again, SamuEDL, thanks!
[Android Stick & Console AllWinner based Computers] Zeh John:
@SamuEDL,

I'm preparing to flash LineageOS and while reviewing the procedure, I've noticed this on step 4:

I've seen no mention anywhere to downloading a system-xxxx.img file regarding LineageOS 17.1, neither here nor in the ROM's thread.

Did it escape me somehow, is this a mistake in the procedure that does not apply to LineageOS, or?...

Thanks.
[Android Stick & Console AllWinner based Computers] SamuEDL:
The system-xxx.img is the rom. In the case of LineageOS that I have given you, it is called "lineage-17.1-20210808-UNOFFICIAL-treble_a64_bvS.img" (The file that remains after decompressing).

About litegapps addons, I really don't know what they are for. Better check your page https://litegapps.github.io/documentation.html
[Android Stick & Console AllWinner based Computers] Zeh John:
Thanks for the hints!

I've checked the litegapps addons documentation and they only have procedures and instructions but not a definition...

I was going to write saying that so it must not be that important but I am actually now realizing that I've been having a lot of problems failing to install Gapps on LineageOS (all Recovery installations I've tried failed and only one suceeded with Magisk but it didn't have the Google Play Services and I couldn't login into my account) so that addon might actually be something...

I've been having a lot of failed experiences, specially with Magisk failing to root properly, but I'm going to read LineageOS' looooong thread for some eventual solution, if not I'll report back here.

Meanwhile, IF you're using LineageOS on this Allwinner, can you tell me if you've got it rooted and how you managed to do it properly, as well of what LiteGapps version you have?

I've really enjoyed the fluidity os LineageOS and I'd like to keep it if I could solve these 2 issues...

Thanks!
[Android Stick & Console AllWinner based Computers] SamuEDL:
I have it rooted with magisk and use litegapps++ LTS. And I had no problem starting playstore.
[Android Stick & Console AllWinner based Computers] Zeh John:
I'm downloading litegapps++ LTS now and will start again from scratch with LineageOS after lunch.

Regarding Magisk and root, I'm just windering in my semi-noob thoughts if this failure to root properly could be somehow related with the Magisk .img boot image from the start of this post. But I'm assuming the installation procedure for LineageOS (and I am following it!) scraps everything in a nuke&pave fashion, so that Magisk boot image for the Stock ROM would be completely wiped and not interfere, right?
[Android Stick & Console AllWinner based Computers] Zeh John:
@SamuEDL,

The good news first. I was able to install litegapps++ through Magisk and that one is solved. Thanks!

Now the bad news, there is definitely something wrong with my system because I can't install Magisk properly and root the tablet.

After installation, when opening the app, Magisk states it can't detect its su binary.

Titanium Backup can't access root but a very old app for finetuning the SD card's reading cache does work, asks for root permissions, writes its config and reads it upon reboot, keeping root access.

Root Checker also works perfectly and confirms root is working.

So Magisk isn't rooting properly.

I've tried different versions but it all ends up the same because it updates itself to the latest version and sometimes doesn't allow to attempt root when offline, and when I go online it disables rooting and instead asks for updating itself to the latest version.

I've uninstalled Magisk and it even gets weirder, to the point of not recognizing the internet connection when the browser confirms I'm online.

Or doesn't perform the usual automatic rooting and instead asks for a manual file, akin to this:

I've given it the boot.img you've supplied above in this thread and it works on it, but I realize it's output would be the same as what this does it taking a stock boot.img and get it Magisk patched to be installed with fastboot.

Either way, the practical end result is the same.

I've read something on the million tabs I had open about a missing symlink binding to to the su. I've downloaded a Magisk module to attempt fixing it but it aborted stating Magisk is not activated.

So this ends up in my previous post's questions about the boot.img, if LineageOS overwrites it with its own or what else. Googling around hasn't been helping much, I'm at a loss here... Should I install the stock ROM and start over, or?... Any help, please? Thanks, as usual!
[Android Stick & Console AllWinner based Computers] DarcioManuel:
Hello again!

It is possible to use the short pin method to load a rom on this tablet?

I cannot start the tablet to enable debug mode. It crashes on startup and I have no access to anything other than the recovery menu, but I can't do anything other than reset, which has no effect!

Thanks
[Android Stick & Console AllWinner based Computers] speedfreak007:
I have installed the drivers + adb from the link in this thread, but "Google" doesn't show up in this screen. What am i doing wrong?

EDIT: i see in the last step of the adb + driver installer, the drivers get installed. This is however not working on my Windows 10 system (I don't get the driver installation UI). Can I find this manually?

My tablet is on the android with internals screen. Neither my mac can connect to it as my windows pc
[Android Stick & Console AllWinner based Computers] Zeh John:
I can't help you with the Windows drivers cringe and neither with MacOS as I have 2 problems with Apple: A full brain and an empty wallet.

Worst chance, if you can't get those OSs to recognize your tablet, you can try a Linux live boot USB. This means downloading a Linux distro (I personally recommend Linux Mint), "install" the live boot on a USB thumb drive, and boot your computer from it. You will have a running OS without having to install it or mess with your existing installations.

Your device should be recognized out of the box and adb and an old version of fastboot are easily installable. This will be enough to give the fastboot continue command for your tablet to resume.

Quick caveats that pop into my mind:

1) The tablet will boot normally but might return to fastboot mode once restarted, so if you do this make sure it reboots properly before shutting Linux down. This happened to me and out of the box I can't remember how I got it to reboot normally.

2) This Linux OS will be running as a live session, meaning it has no persistence, so it won't save your files and settings once shut down or rebooted. Save all your files, notes and procedures taken elsewhere or you will lose them!

So if you can't unstuck yourself with Windows and MacOS and need guidance with this Linux procedure, let me know. Cheers.
[Android Stick & Console AllWinner based Computers] SamuEDL:
Did you have the bootloader unlocked? I'm telling you because if you didn't have it unlocked it won't help you recover your tablet.

Here you have a picture that explains how to install the drivers: https://xdaforums.com/t/extract-boo...0-allwinner-a100.4338541/page-2#post-86744087
[Android Stick & Console AllWinner based Computers] Zeh John:
Not even to get the tablet out of a fastboot loop with the fastboot continue command? (assuming the OS is fine and has just been booted into fasboot mode and got stuck there like it has happened to me)

Just genuinely asking.
[Android Stick & Console AllWinner based Computers] speedfreak007:
Yes, I had checked the bootloader unlock button in developer settings
[Android Stick & Console AllWinner based Computers] speedfreak007:
Thanks, I have retried it on another windows 10 machine and i could get my tablet to boot by doing fastboot continue. However, when I want to send the vbmeta, i get the following error: 'secure mode, fastboot limited used'.

EDIT: i forgot to do fastboot oem unlock

everything is working fine now. thank you very much for all your help
[Android Stick & Console AllWinner based Computers] Romiz:
@SamuEDL

Could you also post how did you manage to get the dump?

I'm struggling to get my own, because to make it with adb I need root permissions but to root the device I need the image of the boot partition (that I can not dump) and then patch it.
[Android Stick & Console AllWinner based Computers] SamuEDL:
I did not do the dump, but an acquaintance. The dump is done through the UART port of the motherboard and guided by this guide: https://github.com/roleoroleo/yi-hack-Allwinner/wiki/Dump-your-backup-firmware-(serial-cable)
[Android Stick & Console AllWinner based Computers] capitaoazevedo:
Hello everyone.

I managed to successfully install the rom but now I'm having a bit of a serious problem, the tablet even not being with any cable connected indicates that it is charging and gets quite hot, even if I try to turn it off he continues to indicate that it is charging. Anyone with this problem? thanks
[Android Stick & Console AllWinner based Computers] Zeh John:
Exactly which ROM did you install?

This post is about a modified boot image with root capabilities for the stock ROM. There might be some references to other ROMs but those might be just some a little offtrack references. (please correct me if I'm wrong!)

Or did you install just the boot image, keeping the stock ROM and you started having this behavior?

Could you please clarify?

I've never heard of such behavior, but I'm still noobish in this Android world.

But that definitely does not report as a normal behavior.

I could suggest you to "reinstall the ROM" (AKA repeat whatever you have done) to check if the symptoms persist or get solved, but before suggesting anything I believe it's better for you to clarify what you've installed first so we here can understand the situation better in order to be able to make better diagnostics and decisions.

Cheers, Capitão!
[Android Stick & Console AllWinner based Computers] capitaoazevedo:
Hey Zeh,

thanks for the reply, i installed the rom suggested by @SamuEDL (LineageOS) and followed all the steps as he described
[Android Stick & Console AllWinner based Computers] Zeh John:
Thanks for the clarification, Capitão!

For what I know from what people are experiencing and reporting, the LineageOS versions of the Generic System Images Android versions 11 and 12 don't have the gyroscope working well, but the Android 10 version works all fine, that's what I currently have installed on my Lamentablet (I only report a half backed root, for some apps it works, for others they can't get root permissions but I can live with it).

And none of these report the problems you've been experiencing.

I can't give you specific troubleshooting but what I would do is, to save time, first try a Factory Reset and then reinstall the whole thing again if the Factory Reset fails to solve your problems. Remember to back up first!

I don't know if there are given checksums for those images so we can check the integrity of our downloads, or if they are checked when installing. You could have downloaded a problematic image file and that can do all sorts of unexpected behaviors. So if you reinstall again from scratch and keep on having weird and erratic behaviors, I recommend downloading the image file again.
[Android Stick & Console AllWinner based Computers] SamuEDL:
I have never been notified of this error. Try to install the stock rom, if it persists it is a hardware problem and not a software one.
[Android Stick & Console AllWinner based Computers] Zeh John:
Is there any special procedure, configuration, etc. should one need to install the stock ROM, or the procedure to install other ROMs apply here too?

Also, would installing the stock ROM overwrite the Magisk rooted boot image and also relock the boot loader?
[Android Stick & Console AllWinner based Computers] SamuEDL:
Here: https://xdaforums.com/t/extract-boo...t-t8100-allwinner-a100.4338541/#post-86499627

Overwrites boot, but does not lock bootloader.
[Android Stick & Console AllWinner based Computers] heyfunny:
I am to the point where I have the tablet in fastboot shows the md2207AP13014391 when I run fastboot devices

when I run fastboot oem unlock it says FAILED (remote: 'system is already unlocked')

I did fastboot flash boot patched_boot.img

C:\Program Files\platform-tools>fastboot flash boot patched_boot.img

Invalid sparse file format at header magic

Sending sparse 'boot' 1/2 (32764 KB) OKAY [ 1.223s]

Writing 'boot' OKAY [ 2.832s]

Sending sparse 'boot' 2/2 (1408 KB) OKAY [ 0.077s]

Writing 'boot' OKAY [ 2.547s]

Finished. Total time: 6.781s

ran fastboot reboot

and I get a screen that says Your device software can't be checked for corruption. Please lock the bootloader...

How do I get to the fastbootd?
[Android Stick & Console AllWinner based Computers] SamuEDL:
Inside the bootloader, with the command "fastboot reboot fastboot"
[Android Stick & Console AllWinner based Computers] SamuEDL:
Good afternoon, I come to tell you that I have managed to make a rom to flash using the phoenix flash tool, thanks to the dump we had and using the base of the Teclast P80. And I have verified that it works correctly on my T8100 with unlocked bootloader. That yes, I need a tester to check if with the locked bootloader, it also works.

Notice: Tried on locked bootloader and work

Rom: https://github.com/SamuEDL/Tools_T8100/releases/download/T8100Stock1.0/T8100Firmware.zip

Installation guide (Method 1): https://xdaforums.com/t/guide-firmw...firmware-restoration-upgrading-guide.4412585/
[Android Stick & Console AllWinner based Computers] speedfreak007:
Can you tell us a bit more about the rom? Which android version is it and does it run more stable than the GSI A10 which has been suggested in this thread (because that one is very slow on my device).
[Android Stick & Console AllWinner based Computers] SamuEDL:
It is the Android 10 Stock of the T8100. It is more intended for users who have bricked the tablet and they have the locked bootloader. Since that way they could try to recover the tablet.

But of course, I have not been able to test it on a tablet with a locked bootloader.
[Android Stick & Console AllWinner based Computers] Snack4:
Have burned this rom via Phoenix Suit on T8100 with blocked bootloader and active FRP.

Phonix shows no errors while flashing.

After reboot it still remain with blocked OEM and FRP.

Any idea?
[Android Stick & Console AllWinner based Computers] SamuEDL:
I don't understand what you mean by OEM. About the FRP can not be removed with phoenix. There may be some video on youtube to bypass the FRP supported by the tablet, but I have no idea.

Edit: Can you post a photo of the error?
[Android Stick & Console AllWinner based Computers] Snack4:
There are no errors with image. It can successfully be used to unbrick the tablet.

Great work, thank you.

Device was accidentally blocked with mismatched pin code. Nobody knows this old Google account and now I can't open desktop. Asks for password. ADB and fastboot commands don't work while OEM unlock and USB debugging not checked.

P.S.

Found unlock video suitable for this model.
[Android Stick & Console AllWinner based Computers] SamuEDL:
To lift the thread a bit, I've recently tested Android 13 GSI (Trebledroid) and it works pretty decent. The only problems that I have found are the accelerometer (as it happens in most roms) and the bluetooth that does not turn on.
[Android Stick & Console AllWinner based Computers] Zeh John:
Thanks for keeping on feeding this thread, SamuELD.

So with this I assume the automatic screen flip to vertical / horizontal doesn't work, right?

Is there any other way to easily do it manually?

Android is a toy operating system, in my opinion, it doesn't even allow custom shortcuts like, for instance, for a setting that would control this.

I'll throw a party the day a proper Linux distro with a proper mobile OS and GUI can run in these things. Damn if I die old before this happens! :)
[Android Stick & Console AllWinner based Computers] Zeh John:
And since we're on this tablet, there seems to be a 2GB version of it. Not yet confirmed if it is the same exact model with more RAM or another model.

I've got my Lamentablet for €2 as a welcome gift from the Portuguese Consumers Advocate (DECO) (who is infamous for practicing the very same shady marketing techniques they fight themselves), and for a couple of months they've been bugging me by sending me marketing about a "fabulous" tablet with the same general specs, but this time 2GB of RAM.

At first I was tempted to sign in again, get my tablet and cancel the subscription again, playing by their own rules and being a cheap Tuga (Portuguese), but then I'm having 2nd thoughts on this.

On the other side, exclusively for research purposes :D it would be nice to have a Lamentablet 2.0, degoogled, that just by having 2GB of RAM would definitely behave better than the "fabulous" original Lamentablet that we already know, have and (don't) love.

So with this comes a question:

Assuming it's the exact same model but with 2GB of RAM instead of just 1, could we apply on it the rooted IMG image and the same ROMs we've been discussing here on this thread?
[Android Stick & Console AllWinner based Computers] SamuEDL:
No idea, since maybe apart from the 2GB of ram. They have changed more components such as the screen.

I hope it also reaches Spain and I can try it.

P.D: Does the information tell you what version of android it comes with?

P.D2: The GSI roms would possibly be compatible with that tablet. At last they are generic roms.
[Android Stick & Console AllWinner based Computers] Zeh John:
It's Android 10, I "guess". Mind the quotes because I've gone around their ad papers and found NO info on the OS of this thing. All it says is that, according to them, like the 1GB version, it is fantastic!... (more info on a link further below)

This version of Android will reach EOL pretty soon, I guess. And soon apps may start to break due to OS incompatibility.

But I also assume this tablet may be compatible with newer versions of Android GSI.

And no idea about the screen being different. Their ad only says 8", no info on resolution.

Also, the new version supports a SIM card.

Here in this forum: (it's in Portuguese, you can use Google Translate or you, SamuEDL, being Spanish, won't have much trouble understanding it)

https://forum.zwame.pt/threads/tablet-deco-proteste-2022.1073692/

You can follow up about this new 2GB tablet from DECO (the Portuguese Consumer Association).

Thing is, people are so burned up with them and their 1GB lamentablet they aren't even risking €2 for it! :D Sad but true and I totally understand them!

Also, their ways are so shady people are suspecting they would sign up for a specific gift and receive another... And bare in mind this is the national Consumer Association!! Even myself is Mmmmm... Meh!

Also, me hates setting up and configuring Android. No good backup and restore tools, Titanium Backup has some bug it won't recognize the backups (you have to manually change the archive extensions), no OS imaging abilities (blocked by Google, I believe), Google's and LineageOS' factory restore for personal data on apps doesn't work...

I have 2 phones, and a lamentablet with GAPPs installed but frozen, all of them with LineageOS and only the Samsung Galaxy S5 NEO can properly run TWRP. I'm not even bothering upgrading. That's why I call Android a toy operating system. I'm so happy I don't work on IT right now and don't have to professionally deal with phones.

So I just cringe adding another tablet in my life... My kingdom for a Raspberry Pi 400!!
[Android Stick & Console AllWinner based Computers] AngelCastillo029:
Hey bro can you please explain us how did you managed to backup/dump the tablet's firmware? I have a Ghia a7 tablet powered by a Allwinner A133 and I can't find a way to backup the firmware...
[Android Stick & Console AllWinner based Computers] SamuEDL:
The method used to extract the rom was this, which in principle is generic for most allwinner devices.

Dump your backup firmware (serial cable)

Custom firmware for Yi 1080p camera based on Allwinner platform - roleoroleo/yi-hack-Allwinner

github.com
[Android Stick & Console AllWinner based Computers] AngelCastillo029:
Hi bro, first to all thanks for answering

But sorry for this silly question (I'm just a newbie), is there any other method for doing a backup of the ROM that doesn't involves opening up the tablet? Something that I forgot to say is that the tablet is running Android 11 Go Edition, it has dynamic partitions (super.img) and double-slot partitions (A/B, boot_a, boot_b and that stuff)

Any suggestion will be highly appreciated 👍
[Android Stick & Console AllWinner based Computers] Zeh John:
I don't know if this comes in line with the last question, but one of my basic needs failing with the latest Android versions and major complains is the lack of the ability to do a save state image backup, something in the lines of what TWRP can do (but there's no TWRP for this tablet, so...)?

Android has some settings backup and restore associated with the Google account but this has always failed me to restore.

I think LineageOS comes with a software that does it (but my memory is failing me exactly what and how) but I believe it failed me also.

Titanium Backup has a bug that changes backup files extensions and fails to restore images...

I hate spending hours and days reconfiguring everything back! And I always keep on forgetting anything deep down there...

An image backup solution for this tablet, does anyone know of anything that actually works?

HUGE thanks!
[Android Stick & Console AllWinner based Computers] SamuEDL:
Without opening the tablet, you have to have the tablet rooted.

With the tablet rooted, you check the partitions with:

And then make the backup using the command:

You only need to make a backup of: Boot, bootloader, dtbo, env, recovery, super, vbmeta, vbmeta_system and vbmeta_vendor.

These backups can later be flashed from fastboot. As long as you have the bootloader unlocked.
[Android Stick & Console AllWinner based Computers] AngelCastillo029:
Alright, is there a way to root the tablet/install magisk without having the firmware? Please help me bro
[Android Stick & Console AllWinner based Computers] SamuEDL:
In my case, I did not find it.
[Android Stick & Console AllWinner based Computers] gcmdbz:
hi guys! happy new year to everyone!!

I’m new here and i’ve read all this forum but I really don’t know how to solve my problem. The only thing i’ve done with it is turning on the developer mode. i’ve try to fastboot it via USB but since i can’t reach the developer menu i can’t activate the USB debugging option.

Someone can help?