The "M1" moniker is utilized by various manufacturers across different industries, most notably in professional lighting controllers (such as the Avolites M1) and advanced networking or audio hardware. Regardless of the specific hardware iteration, the release of a "dot-oh" update (moving from v2.02 to v2.03) typically signals a focus on refinement—squashing persistent bugs and polishing existing features rather than introducing radical new interfaces.
Are you checking for the or a different device like a Shanling player or Sena headset ? How to Upgrade the M1+ Firmware? - Projector - ViewSonic m1 firmware update v2.03
Plug the drive into the powered-on projector; it should automatically detect the files and prompt for confirmation. The "M1" moniker is utilized by various manufacturers
The release of marks a significant milestone for several popular hardware devices, most notably the ViewSonic M1+ projector Go to product viewer dialog for this item. and Allen & Heath dLive How to Upgrade the M1+ Firmware
Access the ViewSonic Support Center and search for "M1+" to download the "M1+ Firmware Update v2.03" package.