explore the iphone all models with the specification details also i phone history and evolution.

1. iPhone 1
July 11, 2008
Units sold 6.1 million
Operating systemOriginal: iPhone OS 1.0
Storage4, 8 or 16 GB flash memoryBatteryBuilt-in
Li-ion battery[7] 3.7 V 1400 mAh
3-axis accelerometer
Proximity sensor
Ambient light sensor
Display3.5-inch screen (diagonally)
320×480 pixel resolution at 163 ppi
Camera 2 MP
Wi-Fi (802.11 b/g)
Bluetooth 2.0

2. iPhone 2 (3G)
First released July 11, 2008,
Unit sold1 million over first
Dimensions115.5 mm (4.55 in)
Operating systemOriginal: iPhone OS 2.0
Current: iOS 4.2.1, released November 22,
2010
Storage8 or 16 GB flash memory
Battery1150 mAh, 3.7 V
screen (diagonally)
480×320 pixel resolution at 163ppi
camera2.0 MP
Wi-Fi (802.11 b/g)
Bluetooth 2.0 + EDR

3. iPhone 3GS :
First released June 19,2009
Dimensions115.5 mm (4.55 in) H
62.1 mm (2.44 in) W
12.3 mm (0.48 in) DWeight135 g (4.8 oz
)Operating systemOriginal: iPhone OS 3.0
Current: iOS 6.1.6, released February 21,
Storage8, 16 or 32 GB flash memory
BatteryBuilt-in rechargeable li-ion battery
3.7 V 1220
Display3.5 in (89 mm) screen (diagonally)
480×320 pixel resolution at 163ppi
camera3.2 MP with video (VGA at 30 fps)
Photo and video geotagging
Tap to focus video or still images
ExposureSoundSingle
Wi-Fi (802.11 b/g)
Bluetooth 2.1+EDR

4. iPhone 4 :
First releasedGSM model (black): June 24, 2010
Dimensions115.2 mm (4.54 in) H
58.6 mm (2.31 in) W
9.3 mm (0.37 in) DWeight137 g (4.8 oz)Operating
systemOriginal: iOS 4.0
Current: iOS 7.1.2, released June 30, 2014
Storage8, 16, or 32 GB flash memoryBattery3.7 V,
5.3 Wh (1,420 mAh)
Display3.5 in (89 mm)
960×640 resolution at 326 ppi(0.61 megapixels)
Rear camera5 MP "iSight"
HD video (720p) at 30 frame/s
LED flash
Front camera0.3 MP VGA (480p) at 30 frame/s
25 μm size pixels
Tap to focus video or still images
Photo and video geotaggingSoundSingle
ConnectivityWi-Fi (802.11 b/g/n)(2.4 GHz only)
Bluetooth 2.1 + EDR

5. iPhone 4S :
Units sold Four million in first three days of initial sales
(October 14–17, 2011)[
Dimensions115.2 mm (4.54 in) H
58.6 mm (2.31 in) W
9.3 mm (0.37 in) DWeight140 g (4.9 oz)Operating
systemOriginal: iOS 5.0
Storage8, 16, 32, or 64 GB
Battery3.7 V, 5.3 Wh (1,430 mAh)
Display3.5 in (89 mm) diagonal 3:2 aspect ratio widescreen
960×640 resolution at 326 ppi(0.61 MP)
Rear cameraSony IMX145[5] 8 MP back-side illuminated
sensor
HD video (1080p) at 30 frame/s
Aperture f/2.4
5 element lens
Front camera0.3 MP VGA (480p)
ConnectivityWi-Fi (802.11 b/g/n)(2.4 GHz only)
Bluetooth 4.0

6. iPhone 5 :
Availability by countrySept. 21,
Units soldTwo million units in the initial 24 hours of pre-
order
[6]
Five million units in the first three days of
Dimensions123.8 mm (4.87 in) H
58.6 mm (2.31 in) W
7.6 mm (0.30 in) DWeight112 g (3.95 oz)Operating
systemOriginal: iOS 6.0
Current: iOS 7.1.2, released June 30, 2014
Storage16, 32 or 64 GBBattery3.8 V, 5.45 Wh (1,440 mAh)
[
Display4 in (100 mm) diagonal
(16:9 aspect ratio),
multi-touch display,
LED backlit IPS TFT LCD,
1,136×640 pixels at 326 ppi,
Rear cameraSony 8 MP back-side illuminated sensor
HD video (1080p) at 30 frame/s
Aperture f/2.4
5 element lens
Image stabilizationFront camera1.2 MP, HD video (720p)
Connectivity:
Wi-Fi (802.11 a/b/g/n) (802.11n: 2.4 and 5 GHz),
Bluetooth 4.0,GPS & GLONASS,

7. iPhone 5C :
First releasedSeptember 20, 2013;
Dimensions124.4 mm (4.90 in) H
59.2 mm (2.33 in) W
8.97 mm (0.353 in) DWeight132 g (4.66 oz)
Operating systemOriginal: iOS 7.0
Current: iOS 7.1.2, released June 30, 2014
Storage, 16 or 32 GB
Battery5.73 Whr (~1510 mAh)
[
Display4 in (100 mm) diagonal
(9:16 aspect ratio),
multi-touch display,
LED backlit IPS TFT LCD,
640×1136 pixels at 326 ppi,
Rear camera8 MP back-side illuminated sensor
HD video (1080p) at 30 frame/s
IR filter
Aperture f/2.4
5 element lens
Facial recognition (stills only)
Image stabilizationFront camera1.2 MP, HD video (720p)

8. iPhone 5S :
First releasedSeptember 20, 2013
Weight112 g (3.95 oz)Operating systemOriginal: iOS 7.0
Current: iOS 7.1.2, released June 30,
Apple A7, Apple M7 motion coprocessorCPU1.3 Ghz Dual-
coreGPUPowerVR G6430 (four
cluster@200MHz)
[2]
Memory1 GB LPDDR3 RAM
[3]
Storage16, 32, or 64 GB
Battery ~1560 mAh
Display4 in (100 mm) diagonal
(16:9 aspect ratio),
multi-touch display,
LED backlit IPS TFT LCD,
640×1136 pixels at 326 ppi,
800:1 contrast ratio (typical), fingerprint-
resistantoleophobic coating on frontRear
camera8 MP back-side illuminated sensor
HD video (1080p) at 30 frame/s
HD video (720p) at 120 frame/s
IR filter
Dual warm/cool LED flashes
Aperture f/2.2
Facial recognition (stills only)
Image stabilization
Burst modeFront camera2.2 MP, HD video (720p)