This phone is designed to support dual-SIM dual-standby 4G networks. Two cards can be standby 4g signal at the same time. However, you cannot insert a telecom card into the secondary card.
The phone is powered by the Kirin 960 processor and supports 4G full NetCom. It has a built-in 4,000mah battery that supports 22.5w fast charging. The material is the screen, the fingerprint on the back. It was the high-end flagship model released by Huawei that year.
Huawei's mate9 mobile phone supports the dual-SIM card dual-standby function, but only supports 4G with one SIM card. The 4G function cannot be enabled with both SIM cards at the same time.