Final answer:
To enable autofill OTP in iPhone, update to the latest iOS, go to Settings > Passwords & Accounts > Autofill Passwords, and ensure the toggle is turned on. When you receive an OTP, tap on the field and select the suggested OTP to autofill.
Step-by-step explanation:
To enable autofill OTP (One-Time Password) in iPhone, you need to ensure that you have the latest version of iOS installed on your device. Once updated, go to 'Settings' and tap on 'Passwords & Accounts.'Here, you will find an option for 'Autofill Passwords.' Tap on it and make sure the toggle for 'Autofill Passwords' is turned on. This will enable autofill for passwords and OTPs across apps and websites
To use autofill OTP, when you receive an OTP through SMS or any other means, simply tap on the field where you need to enter the OTP. A prompt will appear above the keyboard with the OTP suggestion. Tap on it to autofill the OTP. enable the AutoFill One-Time Password (OTP) feature on an iPhone, make sure you are running iOS 12 or later, as this functionality is a part of the operating system's deeper integration with passwords and security. Follow these steps:Open the Settings app on your iPhone.Scroll down and tap on Passwords & Accounts.Select AutoFill Passwords.Ensure that the AutoFill Passwords toggle is switched on.iPhone will now offer to fill in the OTP automatically when you receive it in a message while logging into a website or an app that supports this feature.