=====Key parameters=====
  * Quad-Core A55
  * 2GB/4GB/8GB LPDDR4
  * 32GB/64GB EMMC
  * IPS/CTP
  * Type-C
  * micro-HDMI
  * 1W Speaker, two MIC
  * CAM
  * some GPIOs

=====OS=====
  * Android11
  * Ubuntu