The guide for updating your series device to firmware v2.03 depends on the specific hardware you own, as "M1" refers to several popular products. ViewSonic M1+ Projector
The v203 UPD firmware release for the M1 platform introduces critical stability fixes, improved power handling, and enhanced host compatibility. This update addresses user-reported issues since v202, with a focus on USB-C connectivity and thermal management. m1 firmware update v203 upd
The M1 firmware team has already hinted at v2.1.0 (expected Q3 2025). Features under consideration include: M1 The guide for updating your series device