heh, I’m not ready to disassemble such a beautiful water resistant device.
There’s a T1000-A (?) teardown available if you like 
https://www.youtube.com/shorts/JrR2sUVHxSQ
I’m waiting over the weekend till the fine people from Seeed are back to see what the solution can be, because I think we exhausted all possibilities at my end.
Glad to hear I’m not the only one with the phone number issue, btw!