iOS Device a hmang mi hna nih Kan Computer ah a um cia mi Hla/Video le a dang dang Na Phone ah Fawi tein khumh na duh tik ah siseh , Na Phone pakhat khat tlamtling lo ruang ah Firmware Upgrade tuah na duh tik ah hmang khawh a si mi 3u Tools Latest Version cu a tanglei ah hin Download tuah khawh a si
3u Tools cu a hmang zong a fawi i Na Phone ah Data na khumh tik zong ah a rang , a hmang a nuam . a cunglei Download tuahnak ah hin Software Download tuah law na Computer ah Install tuah piak