Software The iPad originally shipped with
iPhone OS 3.2. On September 1, 2010, it was announced the iPad would get iOS 4.2 by November 2010; to fulfill this, Apple released
iOS 4.2.1 to the public on November 22. (This update brought important features to the first-generation iPad, including multitasking capabilities and the introduction of app folders for better organization.) It comes with several applications, including Safari, Mail, Photos, Video,
iPod,
iTunes Store,
App Store, Maps, Notes, Calendar, and Contacts. Several are improved versions of applications developed for the iPhone or
Mac. The iPad syncs with iTunes on a Mac or
Windows PC. Although the iPad isn't designed to replace a mobile phone, a user can use a wired headset or the built-in speaker and microphone to place phone calls over Wi-Fi or 3G using a
VoIP application. On October 12, 2011,
iOS 5 was released to various iOS devices, including the first-generation iPad, and was downloadable through iTunes. The update was reported to contain hundreds of new features and tweaks, including
Twitter integration, the Notification Center and
iMessage, which is a feature that allows users to send messages or multimedia files to other users on iOS or
OS X, the operating system for Apple computers.
iCloud, an iOS app and Apple-provided internet storage service which allows users to sync and backup their user data and settings to/from other devices, was also made available through this update. On June 11, 2012, Apple announced the
iOS 6 update – which brought several new features, like: • A redesigned Maps app (replacing Google Maps with Apple's own) • Passbook (later known as Wallet) • Facebook integration • FaceTime over cellular • A full-screen Safari experience • The Clock app for iPad (new for iPads in iOS 6) • Enhanced Siri functionality However, the first-generation iPad did not officially receive this update due to hardware limitations, making iOS 5.1.1 the last update available for the device. In 2026, a developer on GitHub unofficially ported iOS 6 to the iPad. which comprises a 1 GHz processor, 256 MB of
RAM and a PowerVR SGX535
GPU. There are four physical switches on the iPad, including a home button near the display that returns the user to the main menu, and three plastic physical switches on the sides:
wake/sleep and
volume up/down, plus a software-controlled switch whose function has changed with software updates. Originally the switch locked the screen to its current orientation, but iOS 4.2 changed it to a mute switch, moving the rotation lock function to an onscreen menu. In the iOS 4.3 update, a setting was added to allow the user to specify whether the side switch was used for rotation lock or mute. The iPad's
touchscreen display is a 1,024 by 768 pixel,
liquid crystal display (diagonal ), with
fingerprint- and scratch-resistant glass. As a result of the device's screen dimensions and resolution, the screen has a pixel density of 132
ppi. The iPad was equipped with 16 GB, 32 GB, or 64 GB (1 GB = 1 billion bytes) of solid-state (flash) storage for program and data storage. Furthermore, the device was available with two connectivity options:
Wi-Fi only or Wi-Fi and 3G. most of which are adapters for the proprietary
30-pin dock connector, the iPad's only port besides the headphone jack. but all generations are compatible with Bluetooth keyboards that also work with
Macs and
PCs. The iPad can be charged with a 10 W standalone power adapter, which is also compatible with iPods and iPhones. ==Reception==