Newer updates often include better codecs for playing MKV, AVI, or MP4 files via USB.
Download the firmware from your manufacturer's support site or a trusted community forum. Extract: If the file is in a .zip or .rar format, unzip it. 1509 dvbt2 512m firmware update hot
Ensure the file extension is strictly .bin and your USB is under 32GB. Newer updates often include better codecs for playing