FAT32 formatted USB drive (8GB max), remote control.
Older firmware (Android 7.0) is often bloated with malware or spyware (common in cheap unlicensed boxes). Newer custom or stock firmware removes background processes, freeing up RAM for Kodi or YouTube. hi3798 firmware
Using the wrong firmware can hard‑brick your box. You must match: FAT32 formatted USB drive (8GB max), remote control