Repurpose a TV Box Allwinner H313 (similar to H96 Max) to boot secure image

[Sergioclr]

Newbie on Armbian.

 

I have an Allwinner H313 (confirmed) box that I want to to use as a basic Samba server.

 

 CPU:Allwinner H313Quad Core ARM Cortex A53 
 GPU:Mali-G31 OPenGL ES3.2
 Memory:2GB
 Flash:16GB
 OS:Android 10.0

 

The actual firmware is a secure image and, no matter what procedure I do, I can't  load any other image but

the secure one.

 

Debugging shows that 'fastbootd' has the "secure" flag set.

 

My intention is to create a  basic secure arm64 Debian image but I am having a hard time in doing so.

 

Any ideas (specific Wiki, procedures) on how to create the secure image or "reset" the "secure" flag will be very appreciated.

 

Thanks in advance. 

[Nick A]

 

[Sergioclr]

On a first analysis, I noticed that the git already has a very similar option that I need (H313):

~/build/patch/u-boot/u-boot-sunxi/board_x96q$

   arm64-sun50i-h313-add-x96q-lpddr3-defconfig.patch
   sunsi-add-h616-internal-eth-phy-support.patch

 

so I am stuck on how to proceed because the example has H616 parameters.

 

Help will be appreciated.