The iPhone 4s features a 3.5-inch Retina display with a resolution of 640 x 960 pixels. It is powered by Apple's dual-core A5 chip and has 512 MB of RAM.

Sure, I can provide you with a detailed overview of the iPhone 4s. Introduction: The iPhone 4s was announced by Apple Inc. on October 4, 2011, and was released on October 14, 2011. It is the fifth generation of the iPhone, succeeding the iPhone 4 and preceding the iPhone 5. 

The iPhone 4s was significant because it introduced a number of new features, including Siri, a voice-controlled digital assistant, and iCloud, a cloud-based storage service. Design: The iPhone 4s has a similar design to its predecessor, the iPhone 4. It has a glass front and back, with a stainless steel band around the edges. The device measures 115.2 x 58.6 x 9.3 mm and weighs 140 grams. The front of the device has a 3.5-inch Retina display, with a resolution of 640 x 960 pixels and a pixel density of 326 ppi. The back of the device has an 8-megapixel camera with an LED flash. Hardware: The iPhone 4s is powered by Apple's dual-core A5 chip, which provides improved performance and graphics compared to the iPhone 4. It has 512 MB of RAM and was available in three storage capacities: 16 GB, 32 GB, and 64 GB. The device also has a non-removable 1432 mAh lithium-ion battery, which provides up to 8 hours of talk time on 3G and up to 200 hours of standby time. Camera: The iPhone 4s has an 8-megapixel rear camera with an LED flash. The camera is capable of recording 1080p HD video at 30 frames per second, as well as 720p video at 30 frames per second. It also has a front-facing camera for FaceTime video calls, which has a resolution of 640 x 480 pixels. Siri: One of the key features of the iPhone 4s is Siri, a voice-controlled digital assistant. Siri allows users to interact with their phone using natural language voice commands. It can perform a wide range of tasks, including making phone calls, sending text messages, setting reminders, and playing music. Siri can also answer questions, provide directions, and even tell jokes. iCloud: The iPhone 4s was the first iPhone to support iCloud, a cloud-based storage service that allows users to store their data in the cloud and access it from any device. iCloud can be used to store contacts, calendars, photos, music, and other data. It also enables users to back up their device automatically, so that they can restore their data if they lose or replace their device. iOS: The iPhone 4s shipped with iOS 5, which introduced a number of new features and improvements. iOS 5 included a new notification system, iMessage, improved camera functionality, and the introduction of iCloud. The iPhone 4s was also compatible with iOS 6, iOS 7, and iOS 8, although it did not receive the iOS 9 update. Connectivity: The iPhone 4s supports a wide range of connectivity options, including Wi-Fi, Bluetooth, and GPS. It also has a 30-pin dock connector and a 3.5mm headphone jack. The device supports 3G and HSDPA data speeds, but does not support 4G LTE. Conclusion: The iPhone 4s was a significant device for Apple, as it introduced a number of new features, including Siri and iCloud. It was also the last iPhone model to be designed under the leadership of Steve Jobs. While the device is now considered outdated, it was a popular device at the time of its release and remains a collector's item for some Apple fans iPhone 4s

iPhone 4s

Category Information
Body Dimensions: 115.2 x 58.6 x 9.3 mm
Weight: 140 g
Build: Glass front (Gorilla Glass), aluminum back, aluminum frame
SIM: Micro-SIM
Display Type: Retina IPS LCD
Size: 3.5 inches (~54.0% screen-to-body ratio)
Resolution: 640 x 960 pixels (~330 PPI density)
Protection: Corning Gorilla Glass, oleophobic coating
Platform OS: iOS 5, upgradable to iOS 9.3.6
Chipset: Apple A5
CPU: Dual-core 1.0 GHz Cortex-A9
GPU: PowerVR SGX543MP2
Memory Card slot: No
Internal: 8GB 512MB RAM, 16GB 512MB RAM, 32GB 512MB RAM
Main Camera Single: 8 MP, f/2.4, 1/3.2", AF
Features: LED flash, HDR
Video: 1080p@30fps
Selfie Camera Single: VGA, videocalling over Wi-Fi and 3G
Features: Face detection, HDR
Video: 480p@30fps
Sound Loudspeaker: Yes
3.5mm jack: Yes
Comms WLAN: Wi-Fi 802.11 b/g/n, hotspot
Bluetooth: 4.0, A2DP
GPS: Yes, with A-GPS, GLONASS
Radio: No
USB: 2.0, proprietary reversible connector
Features Sensors: Accelerometer, gyro, proximity, compass
Messaging: iMessage, SMS(threaded view), MMS, Email, Push Email
Browser: HTML5 (Safari)
Java: No
- Siri natural language commands and dictation
- iCloud cloud service
- MP3/WAV player
- MP4/H.264 player
- Audio/video/photo editor
- Document editor
Battery Type: Non-removable Li-Po 1432 mAh battery (5.3 Wh)
Stand-by: Up to 200 h (2G) / Up to 200 h (3G)
Talk time: Up to 14 h (2G) / Up to 8 h (3G)
Music play: Up to 40 h
Misc Colors: Black, White
Models: A1387, A1431
SAR: 1.18 W/kg (head) 0.98 W/kg (body)
SAR EU: 0.99 W/kg (head) 0.99 W/kg (body)
Price Starting at $49
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