When sending MP4 videos via standard mobile MMS, adherence to specific technical limits is critical to ensure delivery across different carriers and devices.
: Keep files under 600 KB for the widest carrier support and to avoid delivery lag. MMS Livemp4
: MP4 is the standard and most widely supported video format for MMS. File Size Limits : When sending MP4 videos via standard mobile MMS,
: Some platforms allow up to 20 MB if they provide transcoding services, which compress the video for mobile delivery. File Size Limits : : Some platforms allow
: Recommended video length is under 30 seconds for standard MMS messaging. Resolution & Aspect Ratio :
is generally preferred for mobile viewing as it utilizes the full vertical screen.
Using MP4 clips in messaging can significantly boost engagement compared to standard text-only SMS. MMS Messages API Guide - Vonage