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Unlike the iPhone 4, it did not support iOS 7 due to performance issues. On November 14, 2013, Apple issued iOS 6.1.5 for the iPod touch (4th generation) to fix FaceTime calls failing. [6] On February 21, 2014, Apple issued iOS 6.1.6 for the iPod touch (4th generation) and iPhone 3GS to fix faulty SSL verification.
George Hotz developed the first iPhone unlock, which was a hardware-based solution. Later, in 2009, he released a jailbreaking tool for the iPhone 3G and iPhone 3GS on iPhone OS 3.0 called purplera1n, [49] and blackra1n for iPhone OS version 3.1.2 on the 3rd generation iPod Touch and other devices. [50]
Developers from Chronic Dev Team and iPhone Dev Team released greenpois0n Absinthe (known as just "Absinthe") in January 2012, a desktop-based tool (for OS X, Microsoft Windows, and Linux [30]) to jailbreak the iPhone 4S for the first time and the iPad 2 for the second time, on iOS 5.0.1 for both devices and also iOS 5.0 for iPhone 4S.
The iPhone 4 and iPhone 4s used stainless steel instead of aluminium due to Steve Jobs' preference for the metal which he thought, "looks beautiful when it wears". [47] The iPhone 5 is 18% thinner, 20% lighter, and has 12% less overall volume than its predecessor, the iPhone 4s. [48] The phone's aluminum body is 0.30 in (7.6 mm) thick.
Cellular network standards and generation timeline. This is a comparison of standards of wireless networking technologies for devices such as mobile phones.A new generation of cellular standards has appeared approximately every tenth year since 1G systems were introduced in 1979 and the early to mid-1980s.
iOS 6 is the sixth major release of the iOS mobile operating system developed by Apple Inc, being the successor to iOS 5.It was announced at the company's Worldwide Developers Conference on June 11, 2012, and was released on September 19, 2012.
OpenBTS (Open Base Transceiver Station) is a software-based GSM access point, allowing standard GSM-compatible mobile phones to be used as SIP endpoints in Voice over IP (VoIP) networks.
It originally shipped with iPhone OS 2 and fully supports iPhone OS 3 but has limited support for iOS 4 and did not receive support for home screen wallpapers and multitasking, but unlike the iPhone 3G, it did have support for the Game Center. [4] iOS 4.2.1 is the last iOS version supported on this iPod touch model.