| Phone Type | Best MP4 Settings | |------------|-------------------| | | 720p, H.264, 1.5 Mbps, AAC 128kbps | | Mid-range (1080p screen) | 1080p, H.265 (if supported), 3 Mbps | | Flagship (1440p+) | 1080p H.265 (4K is overkill unless casting) | | Older iPhone (iPhone 6/7) | 720p H.264 (H.265 not fully accelerated) |

For home theater enthusiasts or subtitle lovers, MKV might be better. But for a phone? MP4 is still the undisputed champion. Next time you load a movie onto your phone for a trip, make sure it’s an MP4 with H.264/AAC, 720p or 1080p, and a bitrate under 4 Mbps. Your storage and battery will thank you.

For the foreseeable future, MP4 will remain the default—especially as streaming services push more downloads to offline libraries using customized MP4 variants. Absolutely—if you prioritize compatibility and battery life. For the average user watching a film on a commute, MP4 delivers the best trade-off: small files, great quality on small screens, and it just works everywhere.