How to use iOS 15’s built-in password authentication system on iPhone and iPad

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Given how important it is to have an additional layer of protection against recent hacks, most websites and apps support two-factor authentication. To enable 2FA for your account, you’ll need to verify your ID with an additional code to sign in. What makes 2FA so important is the ability to protect your account in the event of a password leak. Until iOS 14, iPhone users had to rely on third-party verification apps such as Google verification system and Authy to generate 2FA verification code. However, with iOS 15, Apple has introduced a built-in password authentication system to make it even easier and more secure for users to log in to their accounts. If you want to give it a try, we’ll show you how to use the built-in password authentication system on iOS 15 on iPhone and iPad.

How to use the built-in password authentication system on iPhone and iPad (2021)

First, let’s take a look at how the new password authenticator for iOS 15 works. Then we’ll show you how to set a verification code for your app or website on your iPhone. If you use third-party apps, you can also remove them. Let’s dive right away.

How does the new built-in password authentication system in iOS 15 work?

Thanks to the tight integration, Apple’s Password Authenticator runs a bit smoother than its rivals. You can set the verification code required for additional sign-in security by using the setup key or scanning the QR code. Once setup is complete, the password authenticator will automatically generate a 6-digit verification code every 30 seconds. You can use it to authenticate your password.

You can manually copy and paste the verification code, or have Apple auto-fill the code when you log in to your website or app. In a nutshell, the verification process feels more intuitive, safer and faster. Apple eliminates the need to switch apps between iPhones to get 2FA code. Therefore, it is recommended to set it for all apps as there is no additional effort. Instead, it only helps protect your data and personal information.

Set up a built-in password authentication system for iPhone and iPad [Easiest Method]

As mentioned above, you first need to set up a verification code for your app or website that you want to protect with two-factor authentication. To do this, follow the steps below.

  1. Head to Settings app On iPhone and iPad.

Open the Settings app on your iPhone

2. Then scroll down and tap password..

Please select a password

3. Next, you need to do the following: Authenticate using Face ID / Touch ID Or continue with your passcode.

Authenticate your account using Face ID

4. On the next page, you’ll see a list of all websites and apps that have passwords stored in your iCloud Keychain. Now make sure that the website for which you want to set the verification code is saved here.

Settings app website list

If the website or app is not in the list, tap “+” Enter your website address, username and password in the upper right corner of the screen and save.Please be sure to tap end It ends in the upper right.

Add a new website

5. Then tap the name of the app or website that uses the password authentication system built into your iPhone or iPad. next,”Set verification code …“Optional.

Set a verification code

6. Next, there are two ways to set a verification code on your iPhone or iPad.

  • Enter the setup key. If your website supports the use of verification codes, please visit the website to get your setup key and get it here.
  • Scan the QR code: If the website provides a QR code, press and hold the QR code,[確認コードの設定]Can be selected and executed automatically.

Please select the confirmation code setting method

Set Facebook verification code on iPhone and iPad

Apple’s password authentication system for iOS 15 works perfectly with Facebook, so we used this social media app in the tutorial. This process is very similar for other supported apps. Check out how it works!

1. Open the Facebook app and tap the menu button (three horizontal lines) in the bottom navigation bar.Then go to Settings & Privacy-> Settings-> Security & Login..

Facebook security and login settings

2. Next, “Use two-factor authenticationClick[認証アプリ]Make sure the option is selected. Then tap the blue “Continue” button.


3. Next, there are three different options you can choose when setting up your 2FA verification code. You can select from the following.

  • Set up on the same device. Select this option to set your Facebook verification code using the password verification system built into your iPhone or iPad.

Set a verification code for this device

  • Scan the QR code: If you opened Facebook in Safari, press and hold the QR code,[設定で開く]Select an option.

Scan the QR code

  • Copy the code. Finally, copy the unique code[設定]You also have the option to enter in.

Verification key

All three ways to set up password authentication are easy and reliable. Therefore, you can choose any method based on convenience (and availability). Copy the key for the purposes of this guide.

4. Next, Settings-> Password-> Facebook-> Setup verification code> Enter setup key..

Then tap the setup key

5. Next, paste the key you copied in the above procedure,[わかった” 確認するために。 次に、iPhoneまたはiPadに組み込まれているパスワード認証システムが6桁の確認コードを自動的に生成します。 次に、このコードをコピーして貼り付けてログインを認証するか、Appleがコードを自動入力するのを確認できます。


ノート: 確認コードは30秒間のみ有効であることに注意してください。

6.次に、確認コードをコピーしてFacebookに貼り付け、ログイン試行を認証するだけです。 それで全部です。 これで、iPhoneおよびiPadのiOS15に組み込みのパスワード認証システムが正常にセットアップされました。


それはほとんどそれです! 今後、パスワードの認証を求められた場合は、自動入力機能を利用して、Facebookにサインインするときに確認コードを入力してください。 もちろん、[設定]->[パスワード]You can also manually copy and paste the verification code from.

How to remove the app password authentication system settings in iOS15

The password verification system for iPhones and iPads running the latest iOS 15 and iPad OS 15 builds is very useful, but in the future it is recommended to remove the app verification code settings. If that day comes, you can remove the two-factor authentication settings for your iOS 15 app by following the steps below.

1.[設定]->[パスワード]Go to. After Face ID / Touch ID verification, tap the name of the app whose verification code you want to delete.

2. Next, tap “Edit” in the upper right.

Delete verification code 0

3. Next, Tap the “-” (minus) button Display the Delete button below the verification code section.

Remove verification code ios15 1

4. Finally, tap the “Delete” button. From the pop-up message that appears,Delete the verification code“Optional.

Remove verification code ios15 2

that’s all. We no longer use Apple’s built-in password authenticator for the 2FA verification code for that particular app.

Use the built-in password authentication system on iOS 15 and iPad OS 15 like a pro

In short, it’s a way to take full advantage of the password authentication system built into iOS 15 and iPad OS 15 to securely log in to websites and apps. We recommend that you have a natively integrated alternative, especially for sensitive things like password authentication on your device. Therefore, we welcome this all-new security feature. And I’m pretty sure most of you will appreciate it as well. Anyway, give Apple a password authentication system and let us know your thoughts in the comments below. And if you want to learn how to enable two-factor authentication (2FA) on Facebook, Twitter, Instagram, and other popular apps, we’ll do it for you.