326 Mp4 File

The number is the signature pixel density (PPI) for Apple's original Retina Display .

: Usually paired with AAC-LC audio up to 160 Kbps. 3. "Deep Text" and Research 326 mp4

: For older 326 ppi devices (like iPhone 5c), the standard was H.264 video up to 1080p at 30 frames per second . The number is the signature pixel density (PPI)

The standard video format for these 326 ppi devices is . 326 mp4

If your query refers to technical research rather than hardware:

: Apple provides "deep" documentation on iPhone 5c and iPhone 4 specs, covering everything from the 326 ppi display to MP4 playback limits.