OEM ? Easy way for optimal install QubeOS librem 14V1

Hello,

I have make a install QubeOS but I have problems on boot (time sync, etc) and I lost de checkboot.

What the easy way for install QubeOS, the best way is to use OEM version Purism ? https://source.puri.sm/Purism/qubes-oem/-/commit/008f40ce2950498827aa08bc0e5ff758731a3992 ?

Thanks