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iPhone 3G [All About,Jailbreaking,Unlocking]

iPhone 3G - Technical Specifications

Size and weight
Height:
4.5 inches (115.5 mm)
Width:
2.4 inches (62.1 mm)
Depth:
0.48 inch (12.3 mm)
Weight:
4.7 ounces (133 grams)
Color
8GB model: Black
16GB model: Black or white
Capacity2
8GB or 16GB flash drive
Cellular and wireless
UMTS/HSDPA (850, 1900, 2100 MHz)
GSM/EDGE (850, 900, 1800, 1900 MHz)
Wi-Fi (802.11b/g)
Bluetooth 2.0 + EDR
GPS
Assisted GPS
In the box
iPhone 3G
Stereo Headset with mic
Dock Connector to USB Cable
USB Power Adapter
Documentation
Cleaning/polishing cloth
SIM eject tool
Environmental Status Report
iPhone 3G embodies Apple’s continuing environmental progress. It is designed with the following features to reduce environmental impact:

PVC-free handset
PVC-free headphones
PVC-free USB cable
Bromine-free printed circuit boards
Mercury-free LCD display
Majority of packaging made from post-consumer recycled fiberboard and biobased materials
Power adapter outperforms strictest global energy efficiency standards
Display
3.5-inch (diagonal) widescreen Multi-Touch display
480-by-320-pixel resolution at 163 ppi
Support for display of multiple languages and characters simultaneously
Audio
Frequency response: 20Hz to 20,000Hz
Audio formats supported: AAC, Protected AAC, MP3, MP3 VBR, Audible (formats 2, 3, and 4), Apple Lossless, AIFF, and WAV
User-configurable maximum volume limit
Headphones
Stereo earphones with built-in microphone
Frequency response: 20Hz to 20,000Hz
Impedance: 32 ohms
Video
Video formats supported: H.264 video, up to 1.5 Mbps, 640 by 480 pixels, 30 frames per second, Low-Complexity version of the H.264 Baseline Profile with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats; H.264 video, up to 2.5 Mbps, 640 by 480 pixels, 30 frames per second, Baseline Profile up to Level 3.0 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, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats
Camera and photos
2.0 megapixels
Photo geotagging
iPhone and third-party application integration
Language support
Language support for English, French, German, Japanese, Dutch, Italian, Spanish, Portuguese, Danish, Finnish, Norwegian, Swedish, Korean, Simplified Chinese, Traditional Chinese, Russian, and Polish
International keyboard and dictionary support for English (U.S.), English (UK), French (France), French (Canada), German, Japanese, Dutch, Italian, Spanish, Portuguese (Portugal), Portuguese (Brazil), Danish, Finnish, Norwegian, Swedish, Korean (no dictionary), Simplified Chinese, Traditional Chinese, Russian, and Polish
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); .vcf (contact information); .xls and .xlsx (Microsoft Excel)
Connectors and input/output
30-pin dock connector
3.5-mm stereo headphone minijack
Built-in speaker
Microphone
SIM card tray
External buttons and controls
Sleep/wake
Ring/silent
Volume up/down
Home
Sensors
Accelerometer
Proximity sensor
Ambient light sensor
Power and battery
Built-in rechargeable lithium-ion battery3
Charging via USB to computer system or power adapter
Talk time:4
Up to 5 hours on 3G
Up to 10 hours on 2G
Standby time: Up to 300 hours5
Internet use:
Up to 5 hours on 3G6
Up to 6 hours on Wi-Fi7
Video playback: Up to 7 hours8
Audio playback: Up to 24 hours9
Mac system requirements
Mac computer with USB 2.0 port
Mac OS X v10.4.10 or later
iTunes 7.7 or later
Windows system requirements
PC with USB 2.0 port
Windows Vista; or Windows XP Home or Professional with Service Pack 2 or later
iTunes 7.7 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)
iPhone Accessories
iPhone Bluetooth Headset
Answer iPhone calls wirelessly with this compact, lightweight Bluetooth headset. A single button lets you answer and end calls easily. And the lithium-ion battery delivers up to 5.5 hours of talk time and up to 72 hours of standby time.1

iPhone 3G Dock
Get fast access to USB charging, syncing, and audio out with the iPhone 3G Dock. Even conduct speakerphone calls when your iPhone is in the dock.

Apple USB Power Adapter
Charge your iPhone on the go with this new, ultracompact USB power adapter. Includes an Apple Dock Connector to USB Cable.

iPhone Stereo Headset
Apple Dock Connector to USB Cable
iPhone Bluetooth Travel Cable
iPhone 3G Universal Dock Adapter 3-Pack
iPhone TTY Adapter
Apple Universal Dock
Apple Component AV Cable
Apple Composite AV Cable
******* Extreme Base Station
See more accessories in the Apple Online Store

Actual size and weight vary by configuration and manufacturing process.
1GB = 1 billion bytes; actual formatted capacity less.
Rechargeable batteries have a limited number of charge cycles and may eventually need to be replaced. See Apple - Batteries for more information.
Talk time: Testing conducted by Apple in May and June 2008 using preproduction iPhone 3G units and software. iPhone 3G units were connected to a 1900MHz network or a 2100MHz network. All settings were default except: Call Forwarding was turned on; the Wi-Fi feature Ask to Join Networks was turned off. Wi-Fi was enabled but not associated with a network. Battery life depends on the cellular network, location, signal strength, feature configuration, usage, and many other factors. Battery tests are conducted using specific iPhone units; actual results may vary.
Standby time: Testing conducted by Apple in May and June 2008 using preproduction iPhone 3G units and software. All settings were default except: Call Forwarding was turned on; the Wi-Fi feature Ask to Join Networks was turned off. Wi-Fi was enabled but not associated with a network. Battery life depends on the cellular network, location, signal strength, feature configuration, usage, and many other factors. Battery tests are conducted using specific iPhone units; actual results may vary.
Internet use over 3G: Testing conducted by Apple in May and June 2008 using preproduction iPhone 3G units and software. Internet over 3G tests were conducted over a 1900MHz 3G network using dedicated web and mail servers, browsing snapshot versions of 20 popular web pages, and receiving mail once an hour. All settings were default except: Call Forwarding was turned on; the Wi-Fi feature Ask to Join Networks and Auto-Brightness were turned off. Wi-Fi was enabled but not associated with a network. Battery life depends on the cellular network, location, signal strength, 3G connectivity, feature configuration, usage, and many other factors. Battery tests are conducted using specific iPhone units; actual results may vary.
Internet use over Wi-Fi: Testing conducted by Apple in May and June 2008 using preproduction iPhone 3G units and software. Internet over Wi-Fi tests were conducted using a closed network and dedicated web and mail servers, browsing snapshot versions of 20 popular web pages, and receiving mail once an hour. All settings were default except: Call Forwarding was turned on; the Wi-Fi feature Ask to Join Networks and Auto-Brightness were turned off; WPA2 encryption was enabled. Battery life depends on the cellular network, location, signal strength, Wi-Fi connectivity, feature configuration, usage, and many other factors. Battery tests are conducted using specific iPhone units; actual results may vary.
Video playback: Testing conducted by Apple in May and June 2008 using preproduction iPhone 3G units and software. Video content consisted of a repeated 2-hour 23-minute movie purchased from the iTunes Store. All settings were default except: Call Forwarding was turned on; the Wi-Fi feature Ask to Join Networks and Auto-Brightness were turned off. Wi-Fi was enabled but not associated with a network. Battery life depends on the cellular network, location, signal strength, feature configuration, usage, and many other factors. Battery tests are conducted using specific iPhone units; actual results may vary.
Audio playback: Testing conducted by Apple in May and June 2008 using preproduction iPhone 3G units and software. The playlist consisted of 358 unique audio tracks, a combination of content imported from CDs using iTunes (128-Kbps AAC encoding) and content purchased from the iTunes Store (128-Kbps AAC encoding). All settings were default except: Call Forwarding was turned on; the Wi-Fi feature Ask to Join Networks was turned off. Wi-Fi was enabled but not associated with a network. Battery life depends on the cellular network, location, signal strength, feature configuration, usage, and many other factors. Battery tests are conducted using specific iPhone units; actual results may vary.
Talk and standby times: Testing conducted by Apple in June 2007 using preproduction iPhone Bluetooth Headsets, iPhone units, and software. All iPhone Bluetooth Headset settings were default. All iPhone settings were default except: Call Forwarding was turned on; the Wi-Fi feature Ask to Join Networks was turned off. Battery life depends on signal strength, usage, and many other factors. Battery tests are conducted using specific iPhone Bluetooth Headset and iPhone units; actual results may vary.

Source : Apple -iPhone 3G

Difference Between iPhone 3G and 3Gs On it's Back iPhone is Grey on 3g
and it's Silver on 3GS and Of course Other Specifications Differences

Latest OS Version is 4.2.1 and Updates is Stopped .