Doorbell was working but stopped connecting to hub. Removed camera from app and hub. Now won't connect to hub. I've reset the hub and doorbell. Tried to connect on iPhone app and when this failed on...

@SrDarkWarrior Hello I am new to this. I have deco m9 v2 and want to upgrade formware. I am on 1.2.10. I have downloaded the Jan2020 uk version - however the upgrade instructions tell me to access...