Autsch, sd card hotswap is sadly hindered by the fact that the battery is blocking the angle to slot in the sd.
I was trying to test the new 2.0.2.45 feature to store backup on sd and swap.

Here is your sharp corners and overview of the backside EDIT: and the pins.








But i seems to hold. My daughter pushed the c down on tiles from the table a minute ago O.o no scratch after it hit flat on backside. pffffew.