BT preferred using a Samsung Galaxy Note 4, but that has changed because Bunn says that "much more development and testing have been performed, the Security was not considered sufficient."
BT ມັກ ໃຊ້ Samsung Galaxy Note 4, ແຕ່ວ່າມັນໄດ້ປ່ຽນໄປແລ້ວ ເນື່ອງຈາກວ່າ Bunn ຮັບປະກັນວ່າ"ໄດ້ມີການພັດທະນາແລະທົດສອບຫຼາຍຂື້ນ, ຄວາມປອດໄພບໍ່ໄດ້ຖືວ່າພຽງພໍ."