Block a user
Network tests
Factory reset everything and get FW
Identify services on the device
HW/SW specification
Get inner module FW
Get inner module FW
Failed with UART and mini programmer. Noone could provide further ideas, Leo said it exceeds the test scope as it's too hard to obtain.
Factory reset everything and get FW
Get inner module FW
Try getting BLE traffic
HW/SW specification
Identify services on the device