Flash ROM memory depending on version: 32, 128 or 256 GB. Retina display. Fingerprint-resistant oleophobic, antireflective coating. Five-element lens, hybrid IR filter. 4K video recording (3840 by 2160) at 30 fps. 1080p HD video recording at 30 fps or 60 fps. 720p HD video recording at 30 fps. Slo-mo video support for 1080p at 120 fps and 720p at 240 fps. Time-lapse video with stabilization. Dual microphones. iBeacon microlocation. Retina flash for front camera.