TrustOnX TOX3 S905X4 my experience

Tested the wifi - its working: wifi on TOX3
ceemmc -x gives only single mode installation on internal memory:

CoreELEC:~ # ceemmc -x
Starting CoreELEC eMMC installation tool...
System is not supported: sc2_s905x4_4g_1gbit!
There is NO official support by Team CoreELEC
if you continue to run this tool!
Continue? [y]: y
eMMC size: 0x000747c00000 [32GB]
No CoreELEC installation found on eMMC
Install in single boot mode, only CoreELEC on eMMC
  Use CoreELEC data from
    [3] current used SD or USB device
    [4] existing backup on current used SD or USB device

Install in dual boot mode not possible!
Please choose one option? [3/4]: