Mx Player For Android 4.1.2 Official

You installed the wrong APK (likely a new version). Uninstall and find 1.20.19 or 1.10.50 . Versions after 1.21.x dropped Jelly Bean support.

One major frustration: official MX Player removed AC3 (Dolby Digital) and DTS codecs due to licensing issues. On Android 4.1.2, you need a custom codec. mx player for android 4.1.2

MX Player 1.9.14 (arm-v7a) (nodpi) (Android 4.0+) - APKMirror You installed the wrong APK (likely a new version)

On modern Android, MX Player uses HW+ by default. On Android 4.1.2, this feature is critical: this feature is critical: