If you have ever seen the dreaded "Unsupported Android version" error or experienced the "audio codec failed" pop-up while trying to play an AC3 or DTS file on MX Player, you have landed on the right page.
Version Mismatch: Using a 1.49.0 codec with a much newer or older version of MX Player. mx player custom codec 149 0 armv8 neon work
Download the mx_neon64.zip (or similar ARMv8 file) from a trusted source like Free-Codecs or APKMirror. The Ultimate Guide to MX Player Custom Codec 1
For users on newer versions of MX Player (like 1.87 or above), you may eventually need to upgrade to a newer codec build, but version 1.49.0 remains a reliable legacy fix for many devices. Downloaded the codec zip and extracted x86 /
x86/arm folder (used the armv8+neon build).149_0 codec file in MX Player’s required folder / selected via MX Player’s “Custom Codec” prompt.Identify Requirement: Open MX Player, go to Settings > Decoder, and scroll to the bottom. The app will specify which codec version it needs (e.g., "ARMv8 NEON" or "AIO 1.49.0").
libffmpeg.mx.so.neon.1.49.0.zip file (from XDA Developers or GitHub repositories – note: I cannot host files here, but look for "XDA MX Player Custom Codec AIO").