Забыли двухфакторная аутентификация код

What data? The two factor code is a second level of security for using the account information.

If you are talking about a passcode for the phone, that is a completely different code. It does not involve data. If you see a waiting period you can try again after the timer ends. If you wish to proceed with resetting, or if it is disabled/security lockout/unavailable, refer to this support article for various methods that you can use to resolve this. --> If you forgot your iPhone passcode, use your Mac or PC to reset it - Apple Support Which one you can use depends upon your equipment configuration. If you can use the iOS15.2+ method you may not need a computer.

How to reset your device if you are running iOS 15.2 or later:

Advance step: If you're using an eSIM, contact your carrier before trying these steps and ask for a QR code to set up your eSIM again.

1. From your device's Lock Screen, try to enter your passcode five times until the "[Device] Unavailable" screen appears and your device asks you to try again later.

2. When you're able to, continue to enter your passcode until the "Security Lockout" screen appears and you get the Erase [Device] option in the bottom corner of the screen.
 3. Tap Erase [Device], then tap Erase [Device] again to confirm.

4. Enter your Apple ID password to sign out of your Apple Account on your device.

5. Tap Erase [Device] to permanently delete all of your data and settings.

6. When your device restarts, follow the onscreen instructions to set up your device again, restore your data and settings from a backup, and set a new passcode.

You can only reach the "Security Lockout" screen if you have an active cellular or Wi-Fi connection and previously enabled Find My ( Find My - Official Apple Support ) on your device. After you try to enter your password ten times, your device will either erase itself or show Security Lockout and the option to Erase [Device] without a timer, depending on how you previously set up your device. 

If you can't follow the above steps (e.g., you are using an older iOS version), you can use a computer to reset your device, as described in this article --> If you forgot your iPhone passcode, use your Mac or PC to reset it - Apple Support .

Whichever method you use will result in erasing the iPhone. You have no alternative. You can, however, restore it from a backup as described in this support article --> Restore your iPhone, iPad, or iPod touch from a backup - Apple Support Some items will restore automatically once you make sure you are signed into iCloud (if you were using iCloud to sync these services).

Here are resources if you are prompted for your username and password and have forgotten them:

If you forgot your Apple Account primary email address or phone number - Apple Support Note that typically this is an email address you use.

If you forgot your Apple Account password - Apple Support

If you do not have a computer, use the link Find Locations to find an Apple service location, or ask a friend if you can use theirs. This could be either a Mac, or a PC with iTunes. If your computer doesn't recognize your iPhone, iPad, or iPod, read this support article --> If your computer doesn't recognize your iPhone or iPad - Apple Support

If you reset your passcode in the last 72 hours and have forgotten it, read this article about a special reset service available in iOS 17 and higher. --> Temporarily use your old passcode when you forget your new passcode on iPhone or iPad - Apple Support

What exactly are you trying to do with this phone?

Forgot two factor authentication code

my brother forgot the

screen code password and I would like to reset his phone on my iPhone

but when I go to his iCloud it asks for a two-factor authentication code

and we don’t know it

The code changes. One is sent to trusted devices or trusted numbers each time a new device is signed in for the first time.

From: Get a verification code and sign in with two-factor authentication - Apple Support

A code is sent first to your trusted devices automatically:

"If you have a trusted device running iOS 9 and later, OS X El Capitan and later, iPadOS 13 and later, or watchOS 6 and later, the verification code is displayed automatically on your trusted devices."

If you don’t have a trusted device handy, you can choose to have a verification code sent to your trusted phone number as a text message or phone call.

1. Click "Didn't get a verification code" on the sign in screen.

2. Choose to have the code sent to your trusted phone number.

3. You'll get a text message or phone call from Apple with your verification code. This text message might include an additional domain validation line. This line includes the @ symbol, the website name, and your code (for example: @icloud.com #123456 %apple.com).

4. Enter the code on your other device to complete sign in.

"If you can’t receive a verification code on your trusted devices automatically, you can get one from Settings, even if your device is offline."

On a mobile device go to Settings > [your name] > Tap Password & Security > Get Verification Code.

On a Mac: Go to Apple menu  > System Preferences [System Settings], then click Apple ID. Click Password & Security > Get Verification Code.

"If you can’t sign in, reset your password, or receive verification codes, you can request account recovery to regain access to your account [ How to use account recovery when you can’t reset your Apple Account password - Apple Support ]. Account recovery might take a few days or longer, depending on the specific account information you can provide to verify your identity."