CUBE R1 Firmware Download（Latest） Download Version: 1.20 Size: 684 MB Release Date: Oct.23, 2026 Version: 1.20 New Features： 1.Display the Line In audio level meter when Line In is used as the audio input. 2.Fall back to the mainstream for preview when a video source has no substream. Bug Fixes： 1.Fixed an issue where the playback progress bar would freeze when the signal source reconnected during recording. 2.Fixed incorrect frame rate display for files recorded from PTZ cameras. 3.Fixed a system hang that occurred after approximately one hour of transcoded recording with Line In enabled. 4.Fixed an issue where unlocking DISK2 during DISK1 playback paused the DISK1 playback, which could not be resumed with the Play button. 5.Fixed intermittent black screen during playback on the host. 6.Fixed audio noise in the host-side Line Out monitoring preview when the audio has more than 2 channels. 7.Fixed the audio level meter moving downward in reverse at low volume levels. Optimizations： 1.Fixed several crash issues to improve program stability. 2.Standardized API naming conventions and added support for creating authorization strings dedicated to API calls. 3.Improved slow response and stuttering when saving settings on the host.