iPhone 4 Tech specs

Color	White Black
Capacity1	8GB flash drive
Size and Weight2	Height: 4.5 inches (115.2 mm) Width: 2.31 inches (58.6 mm) Depth: 0.37 inch (9.3 mm) Weight: 4.8 ounces (137 grams)
Cellular and Wireless	GSM model: UMTS/HSDPA/HSUPA (850, 900, 1900, 2100 MHz); GSM/EDGE (850, 900, 1800, 1900 MHz) CDMA model: CDMA EV-DO Rev. A (800, 1900 MHz) 802.11b/g/n Wi-Fi (802.11n 2.4GHz only) Bluetooth 2.1 + EDR wireless technology
Location	Assisted GPS Digital compass Wi-Fi Cellular
Display	Retina display 3.5-inch (diagonal) widescreen Multi-Touch display 800:1 contrast ratio (typical) 500 cd/m2 max brightness (typical) Fingerprint-resistant oleophobic coating on front and back Support for display of multiple languages and characters simultaneously
Camera, Photos, and Video	Video recording, HD (720p) up to 30 frames per second with audio 5-megapixel still camera VGA-quality photos and video at up to 30 frames per second with the front camera Tap to focus video or still images LED flash Photo and video geotagging
External Buttons and Connectors	External Buttons and Controls Connectors and Input/Output
Power and Battery3	Built-in rechargeable lithium-ion battery Charging via USB to computer system or power adapter Talk time: Up to 7 hours on 3G, up to 14 hours on 2G (GSM) Standby time: Up to 300 hours Internet use: Up to 6 hours on 3G, up to 10 hours on Wi-Fi Video playback: Up to 10 hours Audio playback: Up to 40 hours
Audio Playback	Frequency response: 20Hz to 20,000Hz Audio formats supported: AAC (8 to 320 Kbps), Protected AAC (from iTunes Store), HE-AAC, MP3 (8 to 320 Kbps), MP3 VBR, Audible (formats 2, 3, 4, Audible Enhanced Audio, AAX, and AAX+), Apple Lossless, AIFF, and WAV User-configurable maximum volume limit
TV and Video	Video out support at up to 720p with Apple Digital AV Adapter or Apple VGA Adapter; 576p and 480p with Apple Component AV Cable; 576i and 480i with Apple Composite AV Cable (cables sold separately) Video formats supported: H.264 video up to 720p, 30 frames per second, Main Profile Level 3.1 with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats; MPEG-4 video up to 2.5 Mbps, 640 by 480 pixels, 30 frames per second, Simple Profile with AAC-LC audio up to 160 Kbps per channel, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats; Motion JPEG (M-JPEG) up to 35 Mbps, 1280 by 720 pixels, 30 frames per second, audio in ulaw, PCM stereo audio in .avi file format
Headphones	Apple Earphones with Remote and Mic Frequency response: 20Hz to 20,000Hz Impedance: 32 ohms
Rating for Hearing Aids4	iPhone 4 (GSM model) 3G network - 850/1900 MHz: M4, T4 2G network - 850 MHz: M3, T3 2G network - 1900 MHz: M3, T35 iPhone 4 (CDMA model) M4, T4
Mail Attachment Support	Viewable Document Types .jpg, .tiff, .gif (images); .doc and .docx (Microsoft Word); .htm and .html (web pages); .key (Keynote); .numbers (Numbers); .pages (Pages); .pdf (Preview and Adobe Acrobat); .ppt and .pptx (Microsoft PowerPoint); .txt (text); .rtf (rich text format); .vcf (contact information); .xls and .xlsx (Microsoft Excel)
Sensors	Three-axis gyro Accelerometer Proximity sensor Ambient light sensor
System Requirements	Apple ID (required for some features) Internet access6 Syncing with iTunes on a Mac or PC requires: Mac: OS X v10.5.8 or later PC: Windows 7; Windows Vista; or Windows XP Home or Professional with Service Pack 3 or later iTunes 10.5 or later (free download from www.itunes.com/download)
Environmental Requirements	Operating temperature: 32° to 95° F (0° to 35° C) Nonoperating temperature: -4° to 113° F (-20° to 45° C) Relative humidity: 5% to 95% noncondensing Maximum operating altitude: 10,000 feet (3000 m)
Languages	Language Support English (U.S.), English (UK), Chinese (Simplified), Chinese (Traditional), French, German, Italian, Japanese, Korean, Spanish, Arabic, Catalan, Croatian, Czech, Danish, Dutch, Finnish, Greek, Hebrew, Hungarian, Indonesian, Malay, Norwegian, Polish, Portuguese, Portuguese (Brazil), Romanian, Russian, Slovak, Swedish, Thai, Turkish, Ukrainian, Vietnamese Keyboard Support English (U.S.), English (UK), Chinese - Simplified (Handwriting, Pinyin, Wubihua), Chinese - Traditional (Handwriting, Pinyin, Zhuyin, Cangjie, Wubihua), French, French (Canadian), French (Switzerland), German (Germany), German (Switzerland), Italian, Japanese (Romaji, Kana), Korean, Spanish, Arabic, Bulgarian, Catalan, Cherokee, Croatian, Czech, Danish, Dutch, Emoji, Estonian, Finnish, Flemish, Greek, Hawaiian, Hebrew, Hindi, Hungarian, Icelandic, Indonesian, Latvian, Lithuanian, Macedonian, Malay, Norwegian, Polish, Portuguese, Portuguese (Brazil), Romanian, Russian, Serbian (Cyrillic/Latin), Slovak, Swedish, Thai, Tibetan, Turkish, Ukrainian, Vietnamese Dictionary Support English (U.S.), English (UK), Chinese (Simplified), Chinese (Traditional), French, French (Canadian), French (Switzerland), German, Italian, Japanese (Romaji, Kana), Korean, Spanish, Arabic, Catalan, Cherokee, Croatian, Czech, Danish, Dutch, Estonian, Finnish, Flemish, Greek, Hawaiian, Hebrew, Hindi, Hungarian, Indonesian, Latvian, Lithuanian, Malay, Norwegian, Polish, Portuguese, Portuguese (Brazil), Romanian, Russian, Slovak, Swedish, Thai, Turkish, Ukrainian, Vietnamese
In the Box	iPhone 4 Apple Earphones with Remote and Mic Dock Connector to USB Cable USB Power Adapter Documentation