iOS 8 Upgrade Guide - How to upgrade iOS 8 for iPhone, iPad

Apple has officially released iOS 8 to iOS device users (iPhone, iPad, iPod). If you own devices eligible for upgrading to iOS 8 and are still unsure how to upgrade your device, then in this article, I'll guide you through the detailed process of upgrading to iOS 8 with images.

Before deciding to upgrade your device to iOS 8, you should refer to some articles below from Taimienphi.vn:

- Things to do before upgrading to iOS 8
- Should iPhone 4s upgrade to iOS 8?

The devices supported for upgrading to iOS 8 include:

• iPhone 5s, iPhone 5c, iPhone 5, iPhone 4S
• iPad Air, Retina iPad mini, iPad 4, iPad mini, iPad 3, iPad 2
• 5th generation iPod touch

Notes before upgrading to iOS 8:

- Backup your device via iTunes or iCloud before upgrading to iOS 8. Refer to how to backup iOS devices.
- For devices that have been Jailbroken, direct upgrades on the device via OTA will not work. Upgrading will cause it to hang. Refer to how to fix the issue of hanging without data loss.

- Your device will lose Jailbreak when upgrading to iOS 8, and currently, there's no tool available to Jailbreak this latest iOS 8 version. So, make a wise decision before upgrading.

- You won't be able to revert to iOS 7.1.2 once you've upgraded to this official iOS 8 version because Apple will soon stop signing iOS 7.1.2.

Method 1. Direct Upgrade via OTA (For non-Jailbroken devices)

Enable Internet connection via WIFI or 3G on your device. For stable transmission without interruption during the upgrade process, you should choose WIFI for internet connection.

Go to Settings > General >Software Update to check for updates and upgrade to iOS directly on your device.

Note: For non-Jailbroken devices, you can still apply the upgrade via iTunes normally if you prefer not to update directly on the device via OTA.

Method 2. Upgrade via iOS 8 Firmware File with iTunes (For Jailbroken devices)

Requirements:

- Install iTunes on your computer, make sure you're using the latest version for stability and optimal compatibility with your device. (Current latest version is 11.4.0.18)
- Your device is included in the list supported for upgrading to iOS 8.

- The official iOS 8 Firmware installer. Depending on your device, choose the appropriate iOS 8 Firmware file (*.ipsw format) that matches your device.

- After upgrading, your device will return to a non-Jailbroken state.

Step 1: Download the iOS 8 Firmware file (*.ipsw format) to your computer or laptop.

Step 2: Connect your iPhone, iPad, or iPad to your computer via a USB connection cable. If the device is already connected to iTunes, it will appear as shown below.

Step 3:
- For Mac computers (OS X): Press the Option + Restore iPhone key combination.
- For Windows computers: Press the Shift + Restore iPhone key combination.

Then navigate to the *.ipsw file you downloaded in step 1. iTunes will automatically upgrade to iOS 8 for you.

So, your device will be upgraded to iOS 8 quickly through the 2 methods that Taimienphi.vn has instructed above. After the upgrade, you will experience many new things in this latest official iOS version from Apple.

Link: https://Mytour.vn/upgrade-ios-8-for-iphone-ipad-904n.aspx
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