: The app will automatically restart to apply the new codec. You can verify it under Help > About . Troubleshooting
Open MX Player, go to , and scroll to the bottom. Look for "Custom Codec." It will tell you exactly which version you need (e.g., "Use ARMv8 NEON type custom codec"). 2. Download the Correct File
Current stable releases of MX Player (Pro and Free) built on the 1.49.x branch require this exact codec revision for optimal performance.