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The iPad (4th generation) [15] (marketed as iPad with Retina display, [16] colloquially referred to as the iPad 4) [17] [18] is a tablet computer developed and marketed by Apple Inc. Compared to its predecessor, the third-generation iPad, the fourth-generation iPad maintained the Retina Display but featured new and upgraded components such as the Apple A6X chip and the Lightning connector ...
The controversy first emerged in late-2016, when it was reported that since a recent iOS update, some iPhone handsets had begun to experience unexpected shutdowns when their battery capacity reached 30%, caused by drops in the battery's terminal voltage below a threshold of around three volts required for operation of the device.
As of December 2011, redsn0w included the "Corona" untether by pod2g for iOS 5.0.1 for iPhone 3GS, iPhone 4, iPad (1st generation), and iPod Touch (3rd and 4th generation). [45] As of June 2012, redsn0w also includes the "Rocky Racoon" untether by pod2g for iOS 5.1.1 on all iPhone, iPad, and iPod Touch models that support iOS 5.1.1. [63]
An unlocked bootloader, showing additional available options. Bootloader unlocking is the process of disabling the bootloader security that makes secure boot possible. It can make advanced customizations possible, such as installing custom firmware.
Like any rechargeable battery, the iPad's battery loses capacity over time. However, the iPad's battery is not user-replaceable. In a program similar to iPod and iPhone battery-replacement programs, Apple promised to replace an iPad that does not hold an electrical charge with a refurbished unit for a fee of US$99 plus $6.95 shipping.
The Magic Keyboard is compatible with the 3rd and 4th generation iPad Pro. Support for trackpads, mice, and pointing devices was announced as a feature of version 13.4 of iPadOS, which was released on March 24, 2020. Like its predecessor, this version of iPad Pro supports the Apple Pencil, a variety of cases, and USB-C accessories.
The iPad Air (4th generation), informally referred to as iPad Air 4, is a tablet computer developed and marketed by Apple Inc. It was announced by Apple on September 15, 2020. Pre-orders began on October 16, 2020, and shipping began a week later on October 23, 2020, alongside the iPhone 12 and iPhone 12 Pro.
iPadOS is a mobile operating system developed by Apple for its iPad line of tablet computers.It was given a name distinct from iOS, the operating system used by Apple's iPhones to reflect the diverging features of the two product lines, such as multitasking.