Amlogic-ng does not boot on MECOOL KII Pro (S905D)

I know this is experimenta,l but when selecting the above device from the downloads page there is a text saying that it is supported by -ng builds.

So I gave it a try on a spare micro sd card, copied gxl_p231_2g_dvb.dtb to dtb.img.

The result is that it shows the MECOOL logo and then switches to a black screen where it stays forever.

Searching this forum, I found no results.

Can anyone confirm?

Did you follow the “First boot” section from the article linked in the download helper?

You mean I should press the reset button again for a long time, even though the box already boots from sd?

I found out that the box boots but I get these and a black screen

[   27.428929@0] fb: malloc_osd_memory, cma:ffffff800ad14848
[   27.428939@0] fb: malloc_osd_memory, 1218, base:0x000000007f800000, size:8388608
[   27.428942@0] fb: use ion buffer for fb memory, fb_index=0
[   27.428957@0] ion_dev ion_dev: Fail to allocate buffer
[   27.428961@0] fb: malloc_osd_memory: size=1800000, FAILED.
[   27.432761@0] fb: malloc_osd_memory, cma:ffffff800ad14848
[   27.432771@0] fb: malloc_osd_memory, 1218, base:0x000000007f800000, size:8388608
[   27.432774@0] fb: use ion buffer for fb memory, fb_index=0
[   27.432790@0] ion_dev ion_dev: Fail to allocate buffer
[   27.432793@0] fb: malloc_osd_memory: size=1800000, FAILED.

Yes, it must be used for every new installation, and after every Android upgrade.

Did not help.
Tried everything from scratch, tried updating the old sdcard with .nocompat etc. boots but black screen and above error.

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