If you are looking for documentation to troubleshoot this specific version, you can find installation guides and firmware update tips on the HCCast Softonic page Vision Pass Google Play page Are you trying to update this firmware on a specific projector model, or are you experiencing connectivity issues with a modern phone? Vision Pass - Apps on Google Play
Navigate to the Upgrade submenu tab and click on the network inspection option. Hccast Version 19.05.29
Avoid random EXE files from file-sharing sites. CRC32 checksum for a clean copy is often 0x7A3F9C1D – verify before installing. If you are looking for documentation to troubleshoot