Samsung Galaxy M40 has display Size 6.3", operating system Android 9.0; One UI. The device has ram 6 GB too, card support is microSD, up to 1 TB (uses shared SIM slot), it has 128 GB, 6 GB RAM or 64 GB, 4 GB RAM hard disk. Back camera 32 MP is awesome, front camera 16 MP is also not bad. Galaxy M40 has power storage, . Device status is Available