I have never been able to get my cubecell capsule to join the network

[1rabbit]

Using a HTCC-AC02 with sensor BH1750 on the helium network

It's stuck in a join loop, no matter what software / example i try

I don't have the problem with the HTCC-AB02S

EDIT, actually its only one of my capsules, the other one works fine with the same software. so I think its a dead RX stage. Contacting support now.