I have the newer version with scandsk and these are my speeds below for the emmc and ssd,not to bad compared to others I seen. I just cloned over windows onto an SSD and all went fine. Except I needed to extend the partition using a third party program .
I’m the same I have the version 4 with locked bios, anybody figure out how to unlock this version yet ?? Interesting the build date of the BIOS is June , iv seen some v3 with July unlocked