Short video guide:
If you need to replace Loop for AURA Strap you should:
1) Remove the backward cover with the included screwdriver (Philips PH0) сounterclockwise;
2) Remove the old strap parts and insert replacement parts. Make sure that the connectors are positioned correctly;
3) Place the cover and tighten the four screws clockwise.
4) You are able to take a measurement!