Apple launched the new generation iPhone 4 on June 24, 2010, and Apple claims that the iPhone 4 is the most developed model compared to previous iPhone models. There are many enhanced features on the iPhone 4 and the 10 main features are shown below.
Lighter screen (retina screen): One of the big improvements in the iPhone 4 is the new retina display. This retina display is the sharpest, most vibrant and highest resolution screen ever. It has a resolution of 640 x 960 at 326 ppi and is 2 times the previous iPhone. Because the pixel density of the retina screen is so high, your eye cannot distinguish between individual pixels. The Retina display uses a technology called in-plane switching (IPS) to achieve a wider viewing angle than typical LCDs, and offers four times the contrast ratio of previous models that make everything sharper and more surprising in the iPhone 4. This retina display leads the market over the other products for many years. Retina display glass, made from the same materials used in helicopters, is chemically reinforced to be tougher, scratch-resistant, oil-resistant and more durable than ever. Writing on screen looks like probable print on paper and is quite different from what you can see on the formal screen. When you have already used the retina screen, you are not willing to use the previous screen again. Remember to use the iPhone case, screen protector and other accessories to protect your iPhone 11 Pro screen replacement. Gyro sensor: In this century, mobile phones are becoming increasingly intelligent. This view is very suitable for iPhone 4 as it has 6 sensors including 1 gyro sensor, three-axis accelerometer sensors, 1 proximity sensor and 1 ambient light sensor. The built-in gyro sensor on the iPhone 4 will enhance your perception of how it moves and can move the sensation in 6 axes. For the user, this meant that it would benefit from a more fantastic game and application. At present it will be very difficult to speak clearly about the operator using this sensor, but it is certainly a very innovative technological birth. thickness: The iPhone 4 is the world's thinnest mobile intelligence phone now. The thickness of the iPhone 4 is 9.3 millimeters, which is 24% thinner compared to the iPhone 3GS. The design of the iPhone 4 is very striking and when you take it in your hand you will also be impressed and surprised. The iPhone 4 screen is the same as before, which is 3.5 inches; Therefore, it is smaller than most Android mobile phones. However, this may also be the iPhone's inferiority. Some analysts believe that because more and more users will be using the mobile phone to watch movies, users expect the screen size to be larger. LED camera flash: Apple produced the iPhone 4 cameras with the flashing LED light, and it was considered that Apple chased the competitor into action. The integrated advanced backlight sensor and built-in LED flash, which automatically turn on when needed, allow users to easily take photos and videos at night or in low-light environments. Best camera: The quality of the iPhone 4 camera has improved compared to the previous model. The camera on this mobile phone is 5 megapixels, higher than iPhone 3GS than 3 megapixels. This is not the best camera for mobile phones in the market, for example the integrated 8-megapixel HTC Droid Incredible camera, and the Google Nexus One has also used a 5-megapixel camera. However, the iPhone 4 could also shoot HD videos (720p). At the same time, Apple is also promoting a new video editor called an iMovie application at the same time. The camera also provides a 5x digital zoom and an optional HDR (High Dynamic Range) setting to help capture incredibly detailed images. Front camera and video conference: In addition to the 5-megapixel camera on the back, the iPhone 4 was also integrated with the front camera, which is one of the most anticipated features of iPhone fans. This front camera can be used for self portraits and video conferencing. Videos and photos of self-portraits are very common nowadays, especially for teens because it helps users to easily take their portraits. Multitasking and folders: IPhone 4 has used the new operating system iOS 4. The biggest improvement to this updated system lies in multitasking support, which means the iPhone 4 can use multiple applications at once and switch between them instantly.
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