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iPhone 4s

The iPhone 4s was the fifth generation of Apple’s iPhone, released on October 14, 2011. It featured a 3.5-inch Retina display with a resolution of 960 x 640 pixels, and was powered by Apple’s dual-core A5 chip, which provided faster performance and improved graphics compared to the previous model. The camera on the iPhone 4s was also upgraded to an 8-megapixel sensor, which allowed for 1080p HD video recording and improved low-light performance.

The iPhone 4s also introduced Siri, a virtual personal assistant that used voice recognition to respond to user commands and perform various tasks, such as scheduling appointments and sending text messages. Additionally, the iPhone 4s was the first iPhone to come with both CDMA and GSM radio bands, making it compatible with more wireless carriers around the world.

The iPhone 4s was available in either black or white, and in three storage capacities: 16GB, 32GB, and 64GB. It was sold with the iOS 5 operating system, which included new features such as iMessage, a messaging service that allowed users to send text, photos, and videos between iOS devices, and a new, simpler camera interface.

The iPhone 4s was widely popular and it was the most successful iPhone till that time and it was also the most popular phone of 2011. It was succeeded by the iPhone 5 in September 2012.

Specifications 

Display: 3.5-inch Retina display, 960 x 640 pixels resolution

Processor: Dual-core A5 chip

Rear Camera: 8-megapixel sensor, 1080p HD video recording

Front Camera: VGA resolution

Storage: 16GB, 32GB, or 64GB

Operating System: iOS 5 (upgradable to iOS 9.3.5)

Connectivity: Wi-Fi, Bluetooth 4.0, GPS, USB 2.0, 3G/4G LTE (depending on model)

Battery: 1420 mAh

Sensors: Accelerometer, Gyroscope, Proximity sensor, Ambient light sensor, Compass

Dimensions: 115.2 x 58.6 x 9.3 mm

Weight: 140 g

Colours: Black or White

Other features: Siri, iCloud, AirPlay, AirDrop

Display 

The iPhone 4s featured a 3.5-inch Retina display with a resolution of 960 x 640 pixels. The Retina display technology used in the iPhone 4s made the display incredibly sharp and vibrant, with a high level of detail and clarity. The display also had a 800:1 contrast ratio and a 500 cd/m² max brightness.

Processor 

The iPhone 4s was powered by Apple’s dual-core A5 chip, which provided significant performance and graphical improvements over the previous A4 chip used in the iPhone 4. This chip also provides good power efficiency and faster performance for multitasking.

Rear Camera 

The camera on the iPhone 4s was upgraded to an 8-megapixel sensor with a f/2.4 aperture. This camera was able to capture high-resolution images and 1080p HD video recording. The camera also featured improved low-light performance and a hybrid IR filter. The camera also has autofocus, LED flash, face detection, and image stabilization.

Front Camera

The front-facing camera on the iPhone 4s was VGA resolution and capable of recording video at 720p HD.

Storage

The iPhone 4s was available in three storage capacities: 16GB, 32GB, and 64GB. This storage is not expandable, so the user should choose the right storage capacity according to his needs.

Operating System

The iPhone 4s was released with iOS 5, which introduced new features such as iMessage, Notification Center, and a new, simpler camera interface. The device can be upgradeable to iOS 9.3.5, the last version of iOS 9.

Connectivity

The iPhone 4s supported Wi-Fi, Bluetooth 4.0, GPS, USB 2.0, and 3G/4G LTE (depending on the model). This allows the user to connect to the internet and other devices wirelessly, and also it has a 3.5mm headphone jack.

Battery

The iPhone 4s has a 1420 mAh battery that provides up to 8 hours of talk time, 14 hours of 2G talk time, 6 hours of 3G talk time, 9 hours of internet use, 40 hours of music playback, and 200 hours of standby time.

Sensors

The iPhone 4s has a variety of sensors including an accelerometer, a gyroscope, a proximity sensor, an ambient light sensor, and a compass. These sensors allow the device to detect movement and orientation, adjust screen brightness, and navigate using GPS.

Dimensions 

The iPhone 4s has dimensions of 115.2 x 58.6 x 9.3 mm and weighs 140 g.

Colours

The iPhone 4s was available in either black or white.

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