How can I revert iphone to previous ios 18?

This official iTunes method is a reliable way to revert my iPhone to older iOS 18. With a Windows computer, USB cable and corresponding IPSW firmware, you can manually flash the device and safely revert my iPhone to older iOS 18 without complicated third-party tools.

What You Need

• Windows PC with iTunes
• USB cable
• iOS 18 IPSW file

How do revert my iPhone to older iOS 18

Step 1: Download the iOS 18 IPSW

• Visit the official website, select your specific iPhone model, and download the official iOS 18 IPSW file marked with a green checkmark.

Step 2: Back up your iPhone (optional)

• Connect your iPhone to iTunes and click “Back Up Now” to save your data in advance. Note that you will not be able to restore this backup after downgrading.

Step 3: Put Your iPhone into Recovery Mode

• For iPhones with Face ID: Quickly press and release the Volume Up button, quickly press and release the Volume Down button, then hold down the Side button until the Recovery Mode screen appears.
• For iPhones with a Home button: Press and hold the Home button and the Side button simultaneously until Recovery Mode begins.

Step 4: Restore to iOS 18 via iTunes

• When iTunes detects that your iPhone is in Recovery Mode, hold down the Shift key and click “Restore iPhone,” select the downloaded iOS 18 IPSW file, and then confirm to start the restoration.

Finally, wait for the process to complete.

• The entire downgrade process takes 10–20 minutes. Your iPhone will automatically restart and run the older iOS 18 system, and all data will be erased.

This standard iTunes downgrade process is simple and follows official rules, suitable for users who want to drop back to a stable old version. As long as you prepare the correct firmware and follow each step strictly, you can smoothly complete the whole downgrade operation.