If you use the USB port for playback, updated software can broaden the range of supported codecs for MKV, MP4, and AVI files.
Updating this board is straightforward but requires caution. You can find detailed technical steps in the RR52C.03A Manual on Manuals.plus. rr52c03a firmware better
Before flashing, always verify your LCD model's resolution on Panelook to ensure you are using the correct firmware file for your hardware. If you use the USB port for playback,