Flex Cable with SimCard Holder SIM Reader For HTC One M8 831C Flex Cable with SimCard Holder SIM Reader For HTC One M8 831C No instructions manual include. Professional technician is needed for installation. We wont responsible for any damage due to improper operation. *Repair/Replacing old, broken, damaged faulty Flex Cable with SimCard Holder SIM Reader Compatible with: HTC One M8 831C Pacakge include: 1x Flex Cable with SimCard Holder SIM Reader