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Everything you can find in this thread (binaries, texts, code snippets, etc...) are provided AS-IS and are not part of official Armbian project. For this reason not people from Armbian project nor myself are responsible for misuse or loss of functionality of hardware.
THIS POST explains very well the troubles with TV Boxes and why they are not suitable for everyone
Please don't ask about support or assistance in other non-community forums nor in t
Hmmm, what you describe seems a regression from latest u-boot upgrade to v2024.01, even though I did not notice any issue like that before; anyway you can easily trigger the boot from sdcard removing the bootloader from the emmc with dd if=/dev/zero of=/dev/mmcblk2 bs=32k seek=1 count=40
Once you do that, the board will boot multitool from sdcard