As you can see in the changelog list, there are some improvements to Apple Music, accessibility, and other features in iOS 9. The biggest change is that users can quickly create a new playlist when attempting to add songs to the playlist. In addition to music applications, safari also get some significant improvements, such as Safari View Controller, the ability to reload the page without content blocker and request the desktop version of a website. in addition to previously mentioned, the iPhone running iOS 9.2 also supports USB Adapter Camera to import photos and videos.
However, before you Download and install iOS 9.2 your iPhone, iPad and iPod, you should need to backup all data that are considered important you can use icloud or iTunes. It aims to anticipate when bad things happen and do not make you depressed. because after the upgrade to iOS 9.2 is complete, you can restore your data as before.
The iPhone, iPad and iPod that is compatible with IOS 9, can download and install iOS 9.2 via OTA, by accessing the application settings, then general and software updates, provided that the device you want to update must be connected to WiFi, for large size file of iOS 9.2 depending on type your device. In addition, the time required to complete the update process depends on your internet speed.
Besides can upgrading through OTA, users can also connect your iPhone, iPad and iPod into iTunes application that is installed on computer connected to the Internet. after iTunes recognizes your device, the application will usually display a notification, if you have the latest software releases, please press the "Download and Install". the download process is also dependent on the speed of your Internet connection.
If you want clean restore on your device, and updates to iOS 9.2. You can also download the ipsw file for iOS 9.2, through the website ipsw.me by adjusting the type of device (Global or GSM). After you successfully download the ipsw file. Next, open iTunes application and connect your device to computer, then restore ipsw file you downloaded before via iTunes application.
For the jailbreak status, until now has not been available tool that claim can jailbreak iOS 9.1 and iOS 9.2, so for those of you who are currently running the iPhone, iPad and iPod Touch with iOS 9, 9.0.1, 9.0.2 and jailbroken, you should avoid updating your device to iOS 9.1 and iOS 9.2, or you will lose the jailbreak.
Since Apple released iOS 9.1, users can no longer use the jailbreak tool Pangu, in the version. because Apple has patched several important security flaws, which could be exploited by jailbreak community. Until today, there has been no news about the jailbreak tool for iOS 9.1 or 9.2, to be released to public.