My timeline:
App received: Aug 27, 2020
AOR1: Jan 25, 2021
SA: Feb 16, 2021
MR: Feb 15 ,2021
MP: Feb 25, 2021
AOR2: Mar 3, 2021
Pre arrival: Mar 9, 2021
My VO is Hongkong
I thought my ecas status would change into DM very soon after the Pre arrival, but now it seems there is still long way to wait.