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Presentation of the iPhone 4 (2010 – 2013)
The new iPhone 4 was presented at the WWDC Edition 2010 conference by Steve Jobs. The iPhone is the 4th of the iPhone generation. When it was unveiled, the iPhone 4 received a very positive reception. It is also the only iPhone model to have remained on the market for fifteen months. It comes with a better camera, better quality videos, new sensors, and new features. The iPhone 4 became popular from its launch. So popular that in 2020, the iPhone 12 returns to its design. A nice nod to celebrate the tenth anniversary of the iPhone 4!
The characteristics of the iPhone 4
Screen
The screen of the iPhone 4 has a high resolution panel IPS LCD backlit of 960 x 640 while the iPhone 3S of the previous generation had a screen of 480 x 320 pixels. This iPhone is the first to be equipped with a screen RETINA with a palette of 16 million colors and a contrast of 800: 1 as well as an oleophobic coating that allows you not to leave nasty fingerprints on the screen of your smartphone.
Camera
The phone has a 5 mp photo sensor on the back with a 3.85mm f / 2.8 lens and has an LED flash. This rear sensor is capable of recording HD videos in 720P. Added to this is a 0.3 MP front camera. Both cameras work with the tap to focus which is part of the iOS 4 update.
Chip
The device is equipped with the microprocessor Apple A4 SoC created by Samsung.
Connectivity
The phone allows the use of Bluetooth 2.1 and also has a 3.5 mm jack output.
Sensor
On this phone, you will find different sensors: an accelerometer, a proximity sensor, an ambient light sensor as well as a 3-axis gyroscope which, combined with the accelerometer, allows to provide 6-axis motion recognition.
Design
The iPhone 4 has a new structure. Unlike the iPhone 3GS which has a curved plastic shell, the iPhone 4 has a more rectilinear finish, built on glass and aluminum. Unlike the iPhone 3GS, the back of this model is flat.
This design, thinner, more rectilinear, is in line with the emblematic sobriety of Apple products.
Storage
The phone is available in 8, 16 and 32 GB of storage capacity.
Drums
The technology used in the iPhone 4 battery is lithium-ion technology and the iPhone 4 battery has a capacity of 1420mAh.
Weight and dimensions
With a weight of 140 g, the iPhone is a light device, pleasant to handle and use on a daily basis. Regarding its dimensions, it measures 115 mm in height and 58 mm in width and 9.3 mm in thickness.
IPhone 4 compatibility
Operating systems
When released, the operating system used was iOS 4. It included new features like multitasking, improved Mail software, folders, and more.
Accessories
The iPhone 4 has been specially designed to work with Apple In-Ear headphones supplied with remote control and microphone. In addition, it can also be fitted with protective accessories like covers, cases and cases.
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