D260 Firmware Download (Latest) Download Version: 2.30 Size: 206 MB Release Date: Oct. 9, 2026 Version: 2.30.0747 New Features Added support for AC3 audio format. Implemented adaption adjustments for FPGA chips to improve hardware compatibility. Added throttling for authentication error logs to prevent excessive log output. The overlay editor supports multiple time formats for text display. Bug Fixes Fixed issues including choppy HLS playback and program switching failure on Apple devices; fixed incorrect program switching when multiple programs share audio tracks. Fixed incorrect display of video height information for i-format video sources. Fixed abnormal timestamp format upon user creation. Optimizations Simplified serial port logs by removing print messages for successful KlnkApp token push. Updated the default nickname of super administrator to Nickname. Improved HLS pull stream playback smoothness by aligning buffer strategy to eliminate jitter and stuttering. Optimized the issue where some files are occasionally lost after firmware upgrade.