How to Downgrade from iOS 26 to iOS 18.6.2: A Step-by-Step Guide

Apple's recent iOS 26 update has introduced several visual changes, but many users are facing minor lags and bugs. If you're unhappy with the new version, you can downgrade to iOS 18.6.2. This guide provides detailed steps to safely revert to the previous version, including essential backup procedures and installation tips. Remember, downgrading will erase all data, so it's crucial to back up your important files before proceeding. Follow these steps carefully to ensure a smooth transition back to iOS 18.6.2.

By Narendra Chaudhary Sep 19, 2025, 18:31 IST

Introduction to iOS 26 Update

Apple has recently launched the iOS 26 update, which brings a variety of notable visual enhancements. However, users have been experiencing some minor lags and bugs since the update was released. The new Liquid Glass interface is still unfamiliar to many, and it's not unusual for Apple to encounter technical issues with initial versions. Fortunately, Apple continues to sign iOS 18.6.2.

Reverting to iOS 18.6.2

For those unhappy with iOS 26, reverting to the previous version is an option. However, this process can be complicated. Users are advised to proceed carefully and follow the correct procedures. It's crucial to note that downgrading will erase all data on the iPhone, so backing up important files such as photos, notes, and voice memos is essential.

Steps to Install iOS 18.6.2

Step 1: Begin by backing up your data using iCloud, Finder on Mac, or iTunes on Windows. Creating multiple backups is recommended for safety.
Step 2: Disable Find My iPhone in Settings. Signing out of your Apple ID can help avoid Activation Lock issues.
Step 3: Download the iOS 18.6.2 IPSW file from Apple's official site or IPSW.me, ensuring you select the correct file for your iPhone model and confirm it's still signed by Apple.
Step 4: Connect your iPhone to your Mac or Windows PC using a USB-C or Lightning cable. Make sure Finder or iTunes recognizes your device.
Step 5: Quickly press and release the Volume Up button, then the Volume Down button. Hold the Side button until the screen goes black. Once it does, hold the Volume Down button while still holding the Side button for 5 seconds. Release the Side button but keep holding Volume Down until your device appears in Finder.
Step 6: Start the restore process. On Mac, open Finder, hold the Option key, and click Restore iPhone. On Windows, use iTunes, hold Shift, and click Restore. Select the iOS 18.6.2 IPSW file you downloaded earlier.
Step 7: Wait for the process to complete. Your iPhone will restart multiple times.
Step 8: After the process is finished, you can restore your data or set up your iPhone as new.