Apple said that the glass on the back was the "most durable glass on any smartphone" , attempting to assuage fears that the new iPhone would be less durable than the iPhone 7.
Apple ກ່າວວ່າແກ້ວກັບຄືນໄປບ່ອນແມ່ນ "ແກ້ວທົນທານທີ່ສຸດກ່ຽວກັບໂທລະສັບສະຫຼາດໃດ," ພະຍາຍາມເພື່ອລະງັບການຄວາມຢ້ານກົວວ່າ iPhone ໃຫມ່ຈະທົນທານຕ່ໍາກວ່າ iPhone ໄດ້ 7.