For the Sencor SMP 9000, the firmware dictates:
Write this number down. Compare it with the version number of the file you intend to download. If the download file has a higher number, it is a newer version. Sencor Smp 9000 Firmware
According to its user manual, the device supports firmware updates via the Settings > System menu. Users typically need to place a compatible firmware file (often an .img or .zip ) onto a formatted USB drive or SD card to initiate a local update. Where to Find Firmware Files For the Sencor SMP 9000, the firmware dictates: