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This document describes the security content of iOS 4.0.2 Update for iPhone and iPod touch, which can be downloaded and installed using iTunes.
11 sie 2010 · To update and install the iOS 4.0.2 update, all you need to do is plug your iPhone or iPod touch to your computer and click on the “Update” button within iTunes. Then click on the ‘Download and Install’ button and let iTunes handle the rest.
13 sie 2010 · Apple has released a security fix for iOS 4 and users now have to decide whether or not to install the update. There are pros and cons to installing the update, mostly revolving around whether or not you're interested in jailbreaking your device.
At any time, you can check for and install software updates. Go to Settings > General > Software Update. The screen shows the currently installed version of iOS and whether an update is available. To turn off automatic updates, go to Settings > General > Software Update > Automatic Updates.
Download iOS IPSW files for iPhone 4 (GSM)
iOS 4 is the final version of iOS that features the iPod app for music and videos on iPhones. Starting with iOS 5, iPhones do not have the iPod app, but instead have the Music and Videos apps, as the iPod Touch and iPad do.
With this release, Apple dropped support for devices using an A5 or A5X processor: the iPhone 4S, the iPad 2, iPad (3rd generation), iPad Mini (1st generation), and iPod Touch (5th generation) due to hardware limitations and performance issues, ending software support for iPhones and iPads with 30-pin connector and 3.5-inch display. iOS 10 has ...
