For Mac: Right click checkra1n >> Select Show Package Contents >> Contents >> MACOS. Open Terminal and type: chmod +x drag and drop file checkra1n to . Terminal and hit enter. Drag and drop file checkra1n to Terminal and . type ‘-c’ at end line and hit enter. Command for Linux. Download file to Desktop. sudo passwd root (change root password) Launch iTunes or Finder and wait for your device to be detected. Once detected, click on the tiny iPhone or iPad-like icon on the left to see more details. Now simply click on 'Restore iPhone' or If your iPhone isn't listed above, it won't support iOS 17, and you won't get a notification to download the newest software. For instance, if you have an iPhone X or iPhone 8, the latest software Update your iPhone, iPad or iPod touch using iTunes. Open iTunes on your Mac with macOS Mojave or earlier or on your Windows PC. Connect your device to your computer. Click the device button in iTunes toolbar. If you don’t see your device, find out what to do. In the Summary tab, click Check for Update. Click Download and Update. Solution 4: Fix iPhone 7 Plus Won’t Update to iOS 15 via Reiboot iPhone System Repair Tool HOT. Solution 5: Check Your iPhone 7 Plus Free Space. Solution 6: Charge Your iPhone 7 Plus before Updating. Solution 7: Force Restart iPhone 7 Plus then Try Again. Solution 8: Force Quit Settings App then Reopen. Navigate to developer.apple.com on your Mac. Click on the Discover tab. Click on iOS at the top of the screen. Click Download in the upper right corner. Log in with your developer account credentials when prompted. Under iOS 15 beta, click on Download Restore Images. The iOS and iPadOS 16.7 update covers all devices that could run version 16, including older stuff like the iPhone 8, iPhone X, and first-gen iPad Pro that can't be upgraded to version 17. In a Optionally, users can also update iOS or iPadOS using a computer and a USB cable, on modern Macs this is done with Finder, and Windows through iTunes. Another option available to more advanced users is to update iOS or iPadOS using IPSW firmware files. iOS 14.6 & iPadOS 14.6 ISPW Direct Download Links iPhone 12; iPhone 12 Pro; iPhone 12 mini The problem is that the iPhone 7 and 7 Plus were made with an A10 Fusion chipset. Even though this should support the new iOS for iPhone 7 devices, Apple is choosing to discontinue updates. That means the best versions users with an iPhone 7 or 7 Plus can get are iterations of iOS 15 (15.5). Choose the device icon at the top left and hit on the 'Summary' tab. Click on 'Check for Update' now followed by 'Download and Update'. Type in a passcode if prompt and your device will get updated in a while. Way 3. Update iOS 16/15/14 without Wi-Fi but with a Professional Tool. t4lud.