Review Gadget | iPhone 4

We've reviewed iPhone 3Gs on my post before, now I want to review iPhone 4. Hmm... iPhone 4 has many features and of course more completely than before, so... this is it.. 

Color

Black

White

 

Capacity

• 8GB flash drive

Size and Weight

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 iSight 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 I/O

 

 

 

 

 

 

Power and Battery

• 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

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 Aids

iPhone 4 (GSM model)

• 3G network - 850/1900 MHz: M4, T4
• 2G network - 850 MHz: M3, T3
• 2G network - 1900 MHz: M3, T3

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

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)

Ok... readers, hopefully it is useful for you. Thanks.