Updating iphone 1 1 4 to 2 1
Even if an app has always worked perfectly on your device, there is a chance that the newer versions may only run smoothly on i OS 9.You may want to avoid updating your favorite apps unless you are sure they will work with your device's operating system.i OS 9 contains several new features that will make your device easier to use.i OS 9 is free to download, like all previous versions of i OS.i OS 9 became available for download starting September 16, 2015.If you have an existing i OS device, you can download and install i OS 9. We'd like to offer you a brief overview of i OS 9 and try to answer some questions you may have at this time.i OS 9 is no longer the most recent operating system, so parts of this lesson may be out of date.To learn more about the newest version, click here for more information on i OS 10.i OS 9 is a newer version of the mobile operating system for Apple devices, including the i Phone, i Pad, and i Pod Touch.Once you update an app, you won't be able to go back to an older version. Any app you previously had installed on your phone will still be there once you upgrade to i OS 9.
If you use one of these devices, you'll still be able to use your existing version of i OS.
Keep in mind, however, that your device may experience performance issues if you download apps from the App Store designed for i OS 9.