SteeMan

@Almir Oliveira why are you looking for a build that is over three years old and includes a Linux kernal that is no longer supported? Why not download the latest build from the Armbian downloads page?

Have you tried the install instructions and build from here: https://www.armbian.com/amlogic-s9xx-tv-box/

This video should give you the information you need for setting up a usb debug uart connection:

At this point you seem to have done everything properly. The next step would be to find the uart connection point on you board and hook up a usb-uart reader so you can see the debug output from uboot to see what is happening.

That is enabling multiboot (what enabled either Armbian or android to boot. I'm going through with you all the basics that you didn't mention in your original post (and that others often forget to do), to eliminate all the basic things. You say "maintain it", but you shouldn't hold that button too long, a few seconds (10 at most is all you need). Holding too long will not work.

This is required to use Armbian on the amlogic TV boxes. Enabling multiboot is one of the steps on the install instructions.

You don't need to decompile.this as the original source dts is available in the Linux git source code.

Have you used Armbian on other amlogic TV Boxes? I would never recommend using an amlogic TV Box as a mini pc. The graphical performance is poor. See the FAQ for TV boxes pined in this forum.

Why are you using USB? Does the box not have an SD card slot? Also what method are you using to enable multiboot?

Please explain in more detail what you mean by these statements. "put dtb file" - there is no dtb file to put, just test the ones that are in the build and I would start with meson-sm1-sei610.dtb (which is the reference board for the s905x3 cpu). And what u-boot-* are you using? Also have you run any other linux distribution on this box other than an official Armbian build downloaded from this site?

That isn't what you use for amlogic tv boxes. Follow the instructions linked from the download page: https://www.armbian.com/amlogic-s9xx-tv-box

@SuzSinclair Start by reading the first post of this thread, which has all the information you should need to get started.

What exact image are you running? Or better yet providing full logs with armbianmonitor -u

There is no gpu support in these amlogic tvbox builds.

@user03 Given that you now have a working uboot installed on the emmc, I'm 95% confident that following the standard instructions will let you move your SD card install to emmc. But there are no guarantees.

@kingbecher This is now off topic for this thread, but you need to look at: https://www.armbian.com/amlogic-s9xx-tv-box

@kingbecher Why do you believe this isn't an Amlogic s905w? Those cpus are also cortex-a53. I see Amlogic references throughout the boot log you posted

I just downloaded both images available on the download page (minimal and xfce desktop) and both images had the install-aml.sh script in the /root directory. As far as your current state, I only know of the windows amlogic tool as being the only available way to restore an android image. I know nothing about the Khadas tools you are trying to use, whether they will work on non-khadas boards, or if they can be used for what you are trying to do.

I don't believe you did. As the install instructions linked to from the download page don't mention any of the things you tried (like armbian-config, armbian-install, nand-sata-install, etc). These are the instructions for the amlogic s9xx tv box builds (again these are linked from the download page): https://forum.armbian.com/topic/33676-installation-instructions-for-tv-boxes-with-amlogic-cpus These instructions tell you to run /root/install-aml.sh which is not what you said you did. Now a further note is that ophub is a fork of Armbian. They do not contribute to Armbian development, do not participate in these forums and use the Armbian name without permission. So if you choose to use their software, you will need to discuss their software on their forums as we can't help you at all with ophub software.

You should have followed the install instructions on the download page: https://www.armbian.com/amlogic-s9xx-tv-box Given where you are now, you need to find an original android image, flash that to return the board to a clean state, and then follow those instructions. The amlogic s9xx TV box builds use the android bootloader to bootstrap the boot process which at this point you have overwritten part of.

I'll start on congratulating you for all you have accomplished. Now to your questions. I've never experienced a case where installing to emmc took away the ability to boot from the SD card, nor have I ever heard that reported by other users in the forums. So that one is a mystery. To debug that you would need to find your uart connection on the board and hook up a usb-uart adapter to monitor the uboot process. I would also recommend you try putting your image on a usb thumb drive and see if that works for a workaround. For autologin, you should just be able to follow any standard guidelines for doing that with a google search of 'xfce4 auto login' and you will likely need to edit some config file somewhere to enable this. Exactly what may depend on are you running Ubuntu or Debian userland with the Armbian kernel.

If you mean the built-in script as described in the instructions linked to from the download page (https://www.armbian.com/amlogic-s9xx-tv-box) Then yes that should do everything you need.

I always appreciate the work you do. I'll try to experiment with what you have done. It sounds very interesting, but I probably won't have time until next month though to look at it.

I've never used any other method. I'd suggest using a search engine to search for other methods to "enable multi boot on amlogic TV box"

You will need to provide a lot more information. What image are you trying to use? What CPU does your box have? There are different generations of this box and from what I can see they all have different cpus.