The iPhone devices is a line of smartphones released by Apple, which run on the Apple's iOS operating system. The first iPhone was unveiled on June 29th, 2007, and then iPhone 3G, iPhone 3GS, iPhone 4, iPhone 4S and iPhone 5 are released successively. Every update of Apple's iPhone is a big surprise and each generation of iPhone was released accompanied by one of the new iOS. We will give the brief look of the development and differences of the six generations of Apple's iPhone.
Display: 3.5 inches, 320x480 resolution
System: iOS 1.0
Storage: 4G/ 8G/ 16G
Size: 115×61×11.6mm
Color: Black
Weight: 135g
Messaging: SMS
Camera: 2 megapixel
Cellular and Wireless: GSM model
Video recording: Not supported
Battery life: Talk time (Up to 8 hours)/ Browsing time (Up to 6 hours on Wi-Fi)/ Standby time: Up to250 hours
Display: 3.5 inches, 320x480 resolution
System: iOS 2.0
Storage: 8G/ 16G
Size: 115.5×62.1×12.3mm
Color: Black/ White
Weight: 133g
Messaging: SMS
Camera: 2 megapixel
Cellular and Wireless: GSM model/ WCDMA model/ UMTS model
Video recording: Not supported
Battery life: Talk time (Up to 10 hours on 2G and 5 hours on 3G)/ Browsing time (Up to 6 hours on Wi-Fi)/ Standby time: Up to 300 hours
Display: 3.5 inches, 320x480 resolution
System: iOS 3.0
Storage: 8G/ 16G/ 32G
Size: 115.5×62.1×12.3mm
Color: Black/ White
Weight: 135g
Messaging: SMS/ MMS
Camera: 3 megapixel
Cellular and Wireless: GSM model/ WCDMA model/ UMTS model
Video recording: Supported
Battery life: Talk time (Up to 10 hours on 2G and 5 hours on 3G)/ Browsing time (Up to 6 hours on Wi-Fi)/ Standby time: Up to 300 hours
Display: 3.5 inches, 960x640 resolution
System: iOS 4.0
Storage: 8G/ 16G/ 32G
Size: 115.2×58.6×9.3mm
Color: Black/ White
Weight: 137g
Messaging: SMS/ MMS
Camera: 8 megapixel
Cellular and Wireless: GSM model (GSM/EDGE, UMTS/HSPA)/ CDMA model (CDMA EV-DO Rev. A)/ Wi-Fi (802.11b/g/n; 802.11n on 2.4GHz)/ Bluetooth 2.1 + EDR/ GPS
Video recording: 30 fps, Tap to focus while recording, LED light
Battery life: Talk time (Up to 7 hours on 3G)/ Browsing time (Up to 6 hours on 3G and Up to 10 hours on Wi-Fi)/ Standby time: Up to 300 hours
Display: 3.5 inches, 960x640 resolution
System: iOS 5.1
Storage: 8G/ 16G/ 32G
Size: 115.2×58.6×9.3mm
Color: Black/ White
Weight: 140g
Messaging: SMS/ MMS/ iMessage
Camera: 8 megapixel
Cellular and Wireless: GSM model (GSM/EDGE, UMTS/HSPA)/ CDMA model (CDMA EV-DO Rev. A2)/ Wi-Fi (802.11b/g/n; 802.11n on 2.4GHz)/ Bluetooth 4.0/ GPS and GLONASS
Video recording: 30 fps, Tap to focus while recording, LED light, Video stabilization
Battery life: Talk time (Up to 8 hours on 3G)/ Browsing time (Up to 6 hours on 3G and Up to 9 hours on Wi-Fi)/ Standby time: Up to 200 hours
Display: 4 inches, 1136x640 resolution
System: iOS 6.0
Storage: 8G/ 16G/ 32G
Size: 123.8×58.6×7.6mm
Color: Black/ White
Weight: 112g
Messaging: SMS/ MMS/ iMessage
Camera: 8 megapixel
Cellular and Wireless: GSM model (GSM/EDGE, UMTS/HSPA, DC-HSDPA)/ CDMA model (CDMA model: CDMA EV-DO Rev. A and Rev. B, LTE3)/ Wi-Fi (802.11a/b/g/n; 802.11n on 2.4GHz and 5GHz)/ Bluetooth 4.0/ GPS and GLONASS
Video recording: 30 fps, Tap to focus while recording, LED light, Improved video stabilization, Take still photos while recording video, Face detection
Battery life: Talk time (Up to 8 hours on 3G)/ Browsing time (Up to 8 hours on LTE, Up to 8 hours on 3G and Up to 10 hours on Wi-Fi)/ Standby time: Up to 225 hours
From above specs comparison among the six generations of iPhone, we can see the iPhone become more and more powerful and user-friendly. And the new iPhone 5 also has other amazing features like 4G-LTE networking, A6 chip processor, new designed dock connector and earphone, panorama photos shooting, 1080p HD video recording, Passbook, photo streaming, etc. All these attractive functions of iPhone 5 makes it the world's most advanced smartphone.
If you are one of iPhone users, please pay close attention to the following guide articles to make your iPhone life much more interesting and entertaining: