Be careful when downloading firmware labeled "Android 11" or "Android 11.1" for the RK3328. Version Spoofing:
: Android 11 is more resource-intensive; older boxes with poor cooling may experience slowdowns during heavy use Device Compatibility Examples Rk3328 Firmware Android 11
Always backup your existing firmware (if possible) before flashing, and ensure the Android 11 ROM you download explicitly lists your device model number as compatible. Be careful when downloading firmware labeled "Android 11"