However, the old iOS versions like iOS 16 and iOS 15 are no longer signed by Apple. You can\u2019t find any installers of iOS 16 or iOS 15 online. So, it is impossible to downgrade your iOS 18 to the unsigned old versions like iOS 16 or 15.<\/p>\n\n\n\n There are two ways to downgrade your iOS 18 to 17, including using iTunes and software for downgrading. However, before downgrading your iOS 18 to 17, you may need to back up all the important files and pictures on your iPhone. Here are the steps for file backup and downgrading iOS 18 to 17.<\/p>\n\n\n\n Related: Should You Update to iOS 18? Here\u2019s What You Need to Know<\/a><\/p>\n\n\n\n The first thing you need to do before downgrading iOS 18 to 17 is to back up the important files to iCloud and iTunes on your devices. You can follow the detailed steps below.<\/p>\n\n\n\n Use iCloud<\/strong><\/p>\n\n\n\n Use iTunes (On macOS & Windows)<\/strong><\/p>\n\n\n\n Note<\/strong>: This is just the preparation for how to downgrade iOS 18 to 17. You can check the detailed steps below to downgrade the iOS 18 operating system.<\/p>\n\n\n\n iTunes is the application software on personal computers running macOS and Windows. It is supported by Apple for media play and mobile device management. Here are the setup steps.<\/p>\n\n\n\n Step 1. <\/strong>Back up all your data on the iPhone. You can check the \u201cHow to Downgrade iOS 18 to 17 Without Losing Data\u201d part.<\/p>\n\n\n\n Steps 2.<\/strong> Go to the IPSW.me site on your computer and follow the directives to choose the product, platform, and version. Then, download the old iOS version that is signed.<\/p>\n\n\n\n Step 3.<\/strong> On your iPhone, tap \u201cSettings\u201d > your Apple ID> \u201cFind My\u201d > \u201cFind My iPhone\u201d. Then, switch off the toggle beside \u201cFind My iPhone\u201d on the \u201cFind My\u201d page.<\/p>\n\n\n\n Step 4.<\/strong> Use a data cable to connect your iPhone to the computer<\/strong> and launch iTunes on Mac or Finder on Windows. This is the key step for “how to downgrade iOS 18 to iOS 17”.<\/p>\n\n\n\n Step 5.<\/strong> Click the iPhone icon on iTunes or find your iPhone in the Finder\u2019s left sidebar. You may need to tap \u201cTrust\u201d to connect your iPhone to the computer.<\/p>\n\n\n\n Step 6.<\/strong> Turn on the recovery mode of your iPhone. Then your iTunes or Finder will automatically detect it. To turn on the recovery mode, press and quickly release the Volume Up button<\/strong>. Then, press and quickly release the Volume Down button<\/strong>. Finally, press and hold the Side button until \u201cConnect to iTunes\u201d appears on your screen.<\/p>\n\n\n\n Step 7.<\/strong> Press and hold the Shift key while clicking \u201cRestore iPhone\u201d or press and hold the Option key on a Mac.<\/p>\n\n\n\n Step 8.<\/strong> Find the iOS 17 firmware file you downloaded from IPSW.me and click \u201cRestore\u201d. Then your iTunes or Finder will replace the iOS 18 version with the iOS 17 version. Now, wait until the restoration process is finished. This is the final step for how to downgrade iOS 18 to 17.<\/p>\n\n\n\n Note<\/strong>: If you just bought an iPhone 16, you can’t downgrade it. You can only downgrade iOS 18 to 17 on your iPhone 15 or an older version.<\/p>\n\n\n\n You can directly use software to downgrade your iOS 18 to 17. However, you’ll pay for it to unlock the features. Taking Tenorshare ReiBoot as an example, here are the steps.<\/p>\n\n\n\n There is no exact way to downgrade your iOS 18 to 17 without a computer. Downgrading your iOS version needs iTunes, which is only supported on Mac and Windows. Also, the software for downgrading can only be used on a computer. You can only downgrade the iOS 17\/18 beta profile without a computer. Here are the detailed steps.<\/p>\n\n\n\n Downgrading iOS 18 to 17 will bring both benefits and disadvantages. You can check the pros and cons to decide whether you want to downgrade it.<\/p>\n\n\n\n Adjust your habit<\/strong>: Some iOS 18 features<\/a> are different from iOS 17. For example, the new features of iOS 18 are different from those of iOS 17 in messages, payments, photo collections, etc. You may not want to change to a different iOS version because it will affect your user experience.<\/p>\n\n\n\n Performance<\/strong>: If you\u2019re using an older device like iPhone 13 or iPhone 12, upgrading to iOS 18 might slow your device\u2019s speed because the older device might struggle with the new operating system. Then you want to downgrade the iOS version.<\/p>\n\n\n\n Security risks<\/strong>: Downgrading your iOS version will add security risks. A lower version is often not as secure as a new version. Apple also recommends you not downgrade your iOS version.<\/p>\n\n\n\n Unable to enjoy new features<\/strong>: Apple has put much effort into improving the user experience. They added more convenient features to iOS 18 than to iOS 17.<\/p>\n\n\n\n Tip: If you want to protect your data and privacy from being leaked, you can use LightningX VPN<\/a>.<\/p>\n\n\n\n If you don\u2019t want your iPhone to be attacked after downgrading from iOS 18 to 17, you can download LightningX VPN to protect it. Here are its key features.<\/p>\n\n\n\n![\"Signed](\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2024\/08\/how-to-downgrade-ios-18-to-17-1-1024x318.png\")
<\/figure>\n\n\n\nHow to Downgrade iOS 18 to 17<\/h2>\n\n\n\n
How to Downgrade iOS 18 to 17 Without Losing Data<\/h3>\n\n\n\n
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How to Downgrade iOS 18 to 17 with iTunes<\/h3>\n\n\n\n
Use Software to Downgrade iOS 18 to 17<\/h3>\n\n\n\n
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How to Downgrade iOS 18 to 17 Without a Computer<\/h3>\n\n\n\n
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Pros and Cons of Downgrading iOS 18 to 17<\/h2>\n\n\n\n
Pros<\/h3>\n\n\n\n
Cons<\/h3>\n\n\n\n
Use a VPN to Secure Your Device<\/h2>\n\n\n\n
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![\"Unsigned](\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2024\/08\/how-to-downgrade-ios-18-to-17-2-1024x732.png\")
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