Step 5Ĭomplete the initial setup process and click ‘Restore from Backup’ option in iTunes. When you see the Welcome Screen on your iOS device, it will be running iOS 11. Your device will boot automatically during the process. ITunes will connect to Apple and verify your restore. Hold ‘Option’ key on a Mac or the ‘Shift’ key on a Windows PC and click Restore in iTunes.īrowse to the location of iOS 11 IPSW and select it.
Step 4Īfter you have taken a backup and turned off Find My iPhone option, you are ready to upgrade to iOS 11 using the IPSW file you downloaded. You will be turning this option on after the upgrade process is finished. This step is required to restore your device using an IPSW file. Go to Settings > iCloud > Find My iPhone and turn it off. Ignore the message when iTunes says ‘update available.’ Now take a backup of your device so you can restore it after the upgrade. Step 2Ĭonnect your device to a PC or a Mac computer. Make sure you download the correct IPSW file for your device. Different Apple devices have different IPSW files for them. Download iOS 11 IPSW file from the direct links given below. To update your device to iOS 11, you will need an IPSW file for it. You don’t need to perform a restore unless you know what you are doing. An IPSW file also becomes useless once a new version is released. Upgrading an iOS device via IPSW file requires caution and patience. In rare instances where an iOS device becomes unusable due to a software issue, an IPSW file is used to perform a complete restore. This method also allows you to save bandwidth by using the same IPSW file on all of your same devices (all iPhone 7, for example).
You can download an IPSW file for your device elsewhere, bring it home on a flash drive and upgrade your device by following the steps mentioned below. IPSW method is also used if there’s a limited bandwidth on your WiFi. If you think your device is lagging or if you are seeing unusual performance issues, then it is recommended that you update it via IPSW method. Many users prefer this method over OTA as it allows a ‘clean restore.’ This method allows you to completely wipe-off your device and install the latest firmware. This method also involves iTunes running on a PC or a Mac but instead of letting iTunes automatically update your device, you will use an IPSW file. There is a third and advanced method of updating an iOS device, too.
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