Huawei Mate 40E 4G official Pictures. Huawei Mate 40E 4G is a Smartphone of huawei. The Huawei Mate 40E 4G Smartphone. Announced Jun 2021. Features 6.5″ Display, Kirin 990E Chipset, 4200 MAh Battery, 256 GB Storage, 8 GB RAM. Huawei Mate 40E 4G price starts.