stands for Mobile Point of Sale . It is an application provided by MTN (often in partnership with banks or fintech partners) that allows merchants to accept digital payments using a smartphone or tablet. Instead of a traditional bulky card machine, the app turns a mobile device into a payment terminal, often connecting via Bluetooth to a small card reader.
Open MPOS → Go to Settings (or three-line menu) → About → Compare the version number (e.g., 4.2.7) with the one on the official download link. mpos mtn apk download latest version link