: Go to About Device (sometimes under the Information tab).
Tap Check for Update . If a new version is available, the screen will prompt you to download it. benq rp653k firmware update
Use this method for batch updates across 20+ units or if the internet is restricted. : Go to About Device (sometimes under the Information tab)
Over time, users report minor lag or missed touches. BenQ constantly releases algorithms to improve the infrared touch accuracy. Version 1.2.x to 1.5.x, for example, saw a 40% improvement in palm rejection. benq rp653k firmware update
How to update: