KII L21 C636 B310 CUST C636 D001 Huawei GR5 Firmware KII-L21 Rom ASIA PASIFIC : Thailand, Turkey, Azerbaijan, China, Indonesia, Australia, Vietnam, Bangladesh, Cambodia, China, Hong Kong, Japan, Malaysia, Kazakhstan, Laos, Myanmar, Nepal, South Korea, New Zealand, Philippines, Singapore, Sri Lanka, Taiwan, China, Uzbekistan,