Originally paid more than 1800 HKD...
But its stuck on blue light as shown in the video in the below location:
https://drive.google.com/drive/folders/1Yx8sP5muRKWYPEuKXp7GVcJn1YPQXYIN?usp=sharing
Already contacted Amazon customer but they were not able to solve the problem.
Both adapter and unit turns on without any issues - but the unit is stuck on blue light.