On my side same issue with the registration on an Iphone 6S (everything
tried), it unlocked when I finalised the pairing on an Android galaxy s6
lite tablet. When I logged on the Android app, the headset was already
listed in the devices, I selected ...
I was finally able to finalise the initial setup 2 hours ago. I didn't
try today with my Iphone but tried with my son Android galaxy s6 lite
tablet. Installed the App 178.0.0.5.105, the device was already listed
and I selected the option to finalise ...