Just in case – if any of you is going to disassemble the Fairphone 5 into all its 11 parts, here’s my experience and advice:
Once you have disassembled the FP5 and all 11 parts and screws are lying in front of you, re-assemble everything with the display at last only. If you start re-assembly with the display, you are likely to pry out the motherboard on the other side of the midframe and the flat top-bottom connector (transfers signals speaker-to-motherboard, you can see it in the right half of the final photo here) might become disconnected. So remount everything else first before you remount the display.
P.S.: If you take a look at the top unit that holds several parts (all three cameras, earspeaker) in place, you will notice “1” and “2” markings in its lower left corner. I think the obvious conclusion is that you’re recommended to – after having removed all the screws – open the tiny part labeled “1” and open the connector right under it first before you get to removing the whole unit.