Mate 40 Pro Price in BD | Mate 40 Pro. Mate 40 Pro Price in Bangladesh. Huawei Mate 40 Pro Price in Bangladesh. Huawei Mate 40 Pro has an internal memory of 256 GB, which can keep a lot of files and data of the user. There is an expandable memory slot that can keep up NM (Nano Memory), up to 256GB (uses shared SIM slot) with the help of a memory card. This stylish device has a 50 MP, 12 MP, 20 MP, TOF 3D camera in the back, and a 16 MP, TOF 3D camera on the front side. It was powered by a standard 4400 mAh Li-polymer battery.