You can update your iPhone, iPad, or iPod touch to the latest version of iOS wirelessly.* If you can't see the update on your device, you can update manually using iTunes.
Before you update
Make a backup of your device using iCloud or iTunes.
Update your device wirelessly
If a message says that an update is available, tap Install Now. You can also follow these steps:
- Plug your device into power and connect to the Internet with Wi-Fi.
- Tap Settings > General > Software Update.
- Tap Download and Install. If a message asks to temporarily remove apps because iOS needs more space for the update, tap Continue or Cancel. Later, iOS will reinstall apps that it removed. If you tap Cancel, learn what to do next.
- To update now, tap Install. Or you can tap Later and choose Install Tonight or Remind Me Later. If you tap Install Tonight, just plug your iOS device into power before you go to sleep. Your device will update automatically overnight.
- If asked, enter your passcode. If you don't know your passcode, learn what to do.
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If you see an error or need more space when updating wirelessly
If you see an error message while trying to update your device wirelessly, learn what to do. If you need more space for a wireless update, you can update using iTunes or delete content manually from your device. Whether you use iTunes or update wirelessly, you'll have the same amount of free space on your device after you update.
Some iOS software updates aren't available wirelessly. VPN or proxy connections might prevent your device from contacting the iOS update servers.
Update automatically
With iOS 12, you can have your iOS device update automatically. To turn on automatic updates, go to Settings > General > Software Update > Automatic Updates. Your iOS device will automatically update to the latest version of iOS. Some updates might need to be installed manually.
Update your device using iTunes
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If you can’t update wirelessly on your iOS device, you can update manually using iTunes on a computer that you trust. If your computer is using Personal Hotspot on the iOS device that you’re updating, connect your computer to a different Wi-Fi or Ethernet network before you update.
- Install the latest version of iTunes on your computer.
- Connect your device to your computer.
- Open iTunes and select your device.
- Click Summary, then click Check for Update.
- Click Download and Update.
- If asked, enter your passcode. If you don't know your passcode, learn what to do.
If you see error messages in iTunes or need more space to update
Get help if you see error messages while updating your device with iTunes. Or if you need more space for an update, you can delete content from your device manually.
* Upgrading to the latest version of iOS software provides the latest features, security updates, and bug fixes. Not all features are available on all devices or in all regions. Battery and system performance may be influenced by many factors including network conditions and individual use; actual results may vary.
Downgrading your iDevice from iOS 9 to the previous version can be easy now. Follow the method mentioned above and get back to iOS 8.4.1.
Announced in June 2015, iOS 9 is now a public download version. And 16th September was the busiest day for internet service providers as almost all iPhone, iPad and iPod touch owners downloaded this public version – this includes developer community too.
But after downloading iOS 9 public version, you have experienced some glitches in your iDevice; some apps are not yet compatible with this latest version or you feel that your phone runs slower with this latest iOS version or perhaps you are still so much in love with that previous iOS version.
There can be number of reasons why you want to downgrade from iOS 9 to iOS 8.4.1. This information will help you downgrade to the previous version. But before you downgrade your iOS version please ensure that you have your data backed up properly.
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Apple normally signs off the previous version a month or two after it officially launches new iOS. Moreover, once you take a backup on iTunes, you cannot restore the same on the older version of iOS; be prepared to lose some data.
Before you downgrade from iOS 9 to iOS 8.4.1, you need to download iOS 8.4.1 IPSW that is compatible with your iDevices. Equip your computer with IPSW file, a USB/Lightning Cable and iTunes.
How to Downgrade from iOS 9 to iOS 8.4.1
Step #1. First off, launch Settings app on your iDevice → Tap open iCloud.
Step #2. Skyrim immersive detection of npc weapons. Scroll down and tap on “Find My Phone”.
Step #3. Toggle “Find My Phone” off.
Step #4. Now switch off your iDevice by long pressing power button.
Step #5. Open iTunes on your computer.
Step #6. Connect your iDevice to the computer via USB cable.
Step #7. Press power button and home button simultaneously for 10 seconds.
Step #8. Now release the power button & hold the home button.
A message will pop up in iTunes: A device in recovery mode has been detected.
Now you are ready for the downgrade process.
Step #9. Click on your iDevice seen on iTunes.
World of warcraft not full screen tv. Step #10. Click on Summary button.
Step #11. Click on Restore button.
If you are using Mac OS X, click the Restore button with OPTION.
If you are using Windows computer, click the Restore button with SHIFT.
Step #12. Browse iOS 8.4.1 IPSW file you have downloaded and select the same.
Once the downgrade procedure completes, your device will flash a new setup screen. Do not mess with your device while downgrade process is on. Now you are on the previous iOS.
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