The gears in my camera's motor broke and there are no good videos out there of this repair, so here you go.

Sites with spare parts:
https://www.asus-accessories.com/zs67...
https://en.accessoires-asus.com/zs670...
https://www.asusparts.eu/en/asus/smar...
https://rounded.com/zenfone-7-pro-zs6... (Site I used to buy my parts)
https://www.deviceparts.com/c/asus-ze...