PDF417 SDK to work properly requires a device with these capabilities:
- camera with autofocus
- minimal video stream resolution* of 480p
- iOS version - 5.1.1 or newer
- Apple devices - iPhone 3GS, iPad 2 i iPod touch 4th gen or newer
- Android version - 4.1 or newer
- Windows Phone version - 8.0 or newer
*Note: camera video stream resolution is not the same as still image camera resolution. Usually, video stream resolution is lower than still camera resolution.