sd-to-eMMC adapter

[UBS1]

Hello Kind Forum Experts,

I ask for you help with following issue:

 

Device: Nanopi-r4s 4GB

 

Background:

I'm happy with my device running from SD - but wanted to preemptively upgrade to eMMC based setup for improved reliability.

 

I bought "original" FriendlyELEC SD-to-eMMC adapter + 64GB eMMC module.

 

with normal microSD it boots great, with the sd-to-eMMC - nothing multiple attempts, tried both cloning my old SD & writing fresh image but both didn't help.

eMMC type is 1.8V\3.3V HS400 speed, i think i need to address that in the .dtb file ?

 

any help would be much appreciated

Uri