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Introducing the iPhone 4S

The iPhone 4S, released on October 3, 2011, follows the iPhone 4 and precedes the iPhone 5. The "S" refers to the intelligent personal assistant, Siri, which will be integrated into the brand's following generation smartphones in Apple. This iPhone is for the year 2011 completely revolutionary. It is the first smartphone to integrate a voice assistant. The iPhone 4S integrates new functionalities such as iCloud, iMessage and a center of notifications.

All about the iPhone 4S


The characteristics of the iPhone 4S


The iPhone 4S has a 3.5-inch Retina display with a resolution of 960 x 640 pixels. The device has a jack located on the top left of the smartphone as well as a microphone, useful when you want to mute the sound during calls or during FaceTime.


The phone's camera, also named iSight by the Apple brand, has an 8-megapixel sensor on the back and can record videos at 1180px resolution. For comparison, the camera of the iPhone 4S is improved compared to the iPhone 4. In terms of clarity, there is a 30% improvement and a 26% improvement compared to the white balance as well as color accuracy. This improvement is explained by the integration of an additional lens, an infrared filter as well as thanks to its wider f/2.4 aperture and its image signal processing processor.


The processor used is an ARM Cortex-A9 MPCore processor. It also includes a PowerVR SGX543MP2 graphics processor, which offers 7 times higher graphics performance than the previous one.


The iPhone is equipped with Bluetooth 4.0 as well as Wi-Fi.


The device is equipped with an accelerometer, a proximity sensor as well as a magnetometer and a gyrometer.


The design of the iPhone 4S simply takes the design of its predecessor. For the firm at the apple, the design must remain coherent and timeless. Compared to the iPhone 3GS, which has a curved plastic shell, the iPhone 4S has a straight finish and a flat back.


The phone is available in 8GB, 16GB, 32GB and 64GB of storage capacity.


In terms of autonomy, the iPhone does not exceed 200 hours on standby, 8 hours in 3G communication, 6 hours in internet browsing with 3G and 9 hours in internet browsing via Wi-Fi.


The Cupertino company has always wanted to make its devices usable for everyone, with or without a disability. Siri voice assistance is therefore useful for using various features of the iPhone 4S. The new feature of iOS 5, Assistive Touch, is also present to facilitate the use of the iPhone 4S for people with physical and motor disabilities. With a single finger movement, you can perform multi-touch gestures and control iOS features.


With a weight of 140g, the iPhone 4S measures 115mm high and 58mm wide and a thickness of 7.7mm.

iPhone 4S Compatibility


The iPhone 4S runs on iOS 5, a functional, very ergonomic and ultra-reliable operating system. This iPhone can be updated to iOS 9.


The iPhone 4S is compatible with several multimedia devices. Its box includes an Apple charging cable and earphones. Want to learn more about other iPhones?


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