5 Replies Latest reply: Sep 11, 2013 11:11 PM by zhongjing
zhongjing Level 1 Level 1


  • Kappy Level 10 Level 10

    Your iPad cannot be upgraded. See:


    See the chart below to determine whether you can upgrade your device and what you can upgrade to. If you do not have a Software Update option present on your iDevice, then you are trying to upgrade to iOS 5 or higher. You will have to connect your device to your computer and open iTunes in order to upgrade.


    IPhone, iPod Touch, and iPad iOS Compatibility Chart


         Device                                       iOS Verson


    iPhone 1                                      iOS 3.1.3

    iPhone 3G                                   iOS 4.2.1

    iPhone 3GS                                 iOS 6.1.x

    iPhone 4                                      iOS 6.1.x

    iPhone 4S                                    iOS 6.1.x

    iPhone 5                                      iOS 6.1.x


    iPod Touch 1                               iOS 3.1.3

    iPod Touch 2                               iOS 4.2.1

    iPod Touch 3                               iOS 5.1.1

    iPod Touch 4                               iOS 6.1.x

    iPod Touch 5                               iOS 6.1.x


    iPad 1                                          iOS 5.1.1

    iPad 2                                          iOS 6.1.x

    iPad 3                                          iOS 6.1.x

    iPad 4                                          iOS 6.1.x

    iPad Mini                                     iOS 6.1.x



    Select the method most appropriate for your situation.


    Upgrading iOS

       1. How to update your iPhone, iPad, or iPod Touch

       2. iPhone Support

       3. iPod Touch Support

       4. iPad Support


         a. Updating Your iOS to Version 6.0.x from iOS 5


              Tap Settings > General > Software Update


         If an update is available there will be an active Update button. If you are current,

         then you will see a gray screen with a message saying your are up to date.


         b. If you are still using iOS 4 Updating your device to iOS 5 or later.


         c. Resolving update problems


            1. iOS - Unable to update or restore

            2. iOS- Resolving update and restore alert messages

  • ckuan Level 7 Level 7

    If you have iPhone 3G, IOS 4.2.1 is the latest and greatest, there's no more update for that iPhone.

    Type in your serial number (from iPhone Settings > General > About > Serial Number) to find out which model you have:


  • ios decipher Level 4 Level 4

    What device do you have?


    You will need to connect to a PC/Mac that has iTunes to update the iOS. The article below can show you how:



  • zhongjing Level 1 Level 1

    iphone,version 4.2.1(8c148). model MB489ZA. HOW CAN I START AFTER CONNECT TO COMPUTER?

  • zhongjing Level 1 Level 1

    i have connected to computer,how can i start to update? thanks