But you don't have to restore.
Its a simple process of Download and Update. No technical steps to do it.
Plug in your iPad 2 into the computer. A window will come up asking you if you want to download and update your device to IOS 5 or not. Press download and update. Depending on the amount of gigabytes on your device is how many free space you need temporarily on your computer to update.
As many users do not realize it, you restore your phone and wipe it out before installing every update. Before updating, your phone would automatically make a backup of it's data and put that data back on the phone afterward. Sometimes there are cases when updating to iOS 5 that you lose all of your apps, but luckily redownloading them off the App Store again will restore them with all of their data.
Any iPhone, iPod touch, or iPad that is using iOS 5.
If you are running iOS 5, you can update to iOS 6 wirelessly from Settings>General>Software Update. If you are running an older version of iOS, you have to plug you iDevice into an iTunes-authorized computer and download and install the update software from there. You should be prompted there is new software available the moment iTunes recognizes your device.
1. Verify that you are using the latest version of iTunes before attempting to update2. Connect your device to your computer.3. Select your iPhone, iPad, or iPod touch when it appears in iTunes under Devices.4. Select the Summary tab.5. Select the Restore option.6. When prompted to back up your settings before restoring, select theBack Up option. If you have just backed up the device, it is not necessaryto create another.7. Select the Restore option when iTunes prompts you (as long as you've backed up,you should not have to worry about restoring your iOS device).8. When the restore process has completed, the device restarts and displays the Applelogo while starting up:After a restore, the iOS device displays the "Connect to iTunes" screen. For updatingto iOS 5 or later, follow the steps in the iOS Setup Assistant. For earlier versions ofiOS, keep your device connected until the "Connect to iTunes" screen goes away oryou see "iPhone is activated."9. The final step is to restore your device from a previous backup. If you do not have abackup to restore or have forgotten your restrictions passcode, then restore as New.
Any iPhone, iPod touch, or iPad that is using iOS 5.
iOs 5 will be released in fall, there are some developer versions but these are unfinished and therefore risky.
If you are running iOS 5, you can update to iOS 6.1.3 (or 6.1.4 on iPhone 5) by going into Setting>General>Software Update. If you are running iOS 3 or 4, you can update to the latest software by plugging your iDevice into your iTunes-authorized computer and wait for your device to be recognized. Once this is done, there should be a pop-up to download and update to the new iOS. Everything should be self explanatory by then.
You can update your iOS device (iPhone, iTouch, iPad) in two different ways: through the Settings app or through iTunes.Through Settings (recommended):Note: this method only works if you already have iOS 5 or above. To see which version you have, go to Settings > General > About > Version.Simply tap the Settings app, then go to General > Software Update. It will either say that your software is up to date or give you an update. If it tells you there is a new update, download and install it. Your iOS device will restart itself and boom! You have the latest version of iOS.Through iTunes:Plug your iOS device into your computer. Click on the device on iTunes, and click "Check for Update". Then download and install it to your device. This method is a little slower than the other one, and your computer must remain powered on for the entire update, but it gets the job done.Plug your device into iTunes (on your computer) and click the update button. It should be in Summary.If you have iOS 5, then you can update it from your device in Settings.if yOU jailbreak it you can jailbreak it at any computer service shop
Yes. It is supported
This was created to add support for the Verizon iPhone. No device uses it except the Verizon iPhone 4, as the same feature was added to iOS 5, and the iPhone 4S included iOS 5. It is essentially iOS 4.2.3 for Verizon.
You can update your 4th gen iPod Touch to iOS 6 in two ways. If you are on iOS 5, you can do it wirelessly from Settings>General>Software Update. If are running iOS 4, you have to plug your device into an iTunes-authorized computer and accept the pop-up to download and install the latest iOS software. Either way, there will be waiting involved, especially if you have a slow connection.