2. Software Update:
iOS 15.4.1
Preparing Update...
Install Now
3. Terms and Conditions: Agree
4. Verifying update...
5. Phone auto reboot
6. Updating with progress bar
7. On hello, Press home to open
8. Enter your passcode: [passcode]
9. Software Update Complete Your iPhone has been updated to iOS 15.4.1 > Continue
10. iPhone Analytics: Don't Share
11. Appearance: Light
Continue
12. Welcome to iPhone: Get Started
