Modern Android devices typically use one of three main custom codec variations: ARMv8 NEON (mx_neon64.zip): The standard for modern 64-bit ARM smartphones and tablets. ARMv7 NEON (mx_neon.zip): For older 32-bit ARM devices. AIO ZIP (mx_aio.zip):
: Open MX Player, go to Settings > Help > About . Note whether you are using the 64-bit or 32-bit version. Most modern phones require the ARMv8 (64-bit) package. Mx Player Armv8 Neon Codec
However, if you have ever opened MX Player and received a pop-up saying "This video cannot be played," or if you’ve tried to play a high-definition file only to experience stuttering and lag, the solution is likely a small, background file called a . Modern Android devices typically use one of three
: Specifically tuned for Armv8 (AArch64) processors, utilizing the Neon SIMD (Single Instruction, Multiple Data) engine for faster video decoding. Note whether you are using the 64-bit or 32-bit version
Some video formats (specifically newer ones like ) have licensing issues. MX Player removed native support for these to avoid legal fees. The "Custom Codec" puts these decoders back into the app.