double tap the home button while the iphone is locked
Try resetting your iPhone. Hold Down the Home Button AND the Power button at the same time for 30 seconds
Depending on what iOS you have it varies, if both iPhone 4 and 3GS had iOS5 the only difference would be not having the switch camera button in the Camera App and FaceTime.
The lock and the home buttons on the iPhone 5 are the same as on all previous model iPhones; the lock button is at the top right of the phone (when held with the display facing you), while the home button is at the bottom center of the display.
Yes. It has a front camera for FaceTime and you can download the Skype application
iPhone 3GS's native camera application has a video camera that works pretty well. For older iPhones, there are $.99 applications on the app store that record lower-quality video.
The iPhone's digital compass application works just like any magnetic-needle compass. Launch the application by tapping the "Compass" button on the iPhone's.
The new iPhone by Apple, the iPhone 5, has a bigger camera and screen with retina display that is said to make everything more vivid when viewing it.
Try resetting your iPhone. Hold Down the Home Button AND the Power button at the same time for 30 seconds
iPhone 4: 5MP 720p HD Camera iPhone 3GS & Below: 3MP Camera
The front camera for the iPhone 5 is 1.2 megapixels. The camera on the rear is 8 megapixels.
You can upload it or take a photo directly from your device in Messenger by clicking on the camera button. In chat, you can upload it by using the small camera button as well.
No, the iPhone 3G does not have a front camera.