The iPhone is a smartphone made by Apple that combines a computer, iPod, digital camera and cellular phone into one device with a touchscreen interface. The iPhone runs the iOS operating system, and in 2021 when the iPhone 13 was introduced, it offered up to 1 TB of storage and a 12-megapixel camera
IPhone 3G, 3GS. Apple released the second-generation iPhone and iPhone operating system (OS) 2.0 on June 9, 2008. The new device was called the iPhone 3G, a nod to its new ability to connect to third-generation (3G) cellular networks powered by technologies such as Universal Mobile Telecommunications System and high-speed downlink packet access (HSDPA). The iPhone 3G was available in 8 GB and 16 GB models.
The iPhone OS 2.0 update included several features designed for business, including support for Microsoft Exchange email. Improved mobile security features included secure access to corporate networks over Cisco's IPSec virtual private network, plus remote wipe and other management capabilities.