Sign out of your current Apple ID first

Before you can switch to a new Apple ID on your iPhone, you need to sign out of the one you're using now. Go to Settings, tap your name at the top, scroll down, and tap Sign Out. You'll be asked to enter your Apple ID password to confirm — this protects your account from unauthorized access.

When you sign out, your iPhone will ask whether you want to keep a copy of your iCloud data on the device. If you choose to keep it, your photos, contacts, and other information stay on the phone but won't sync to iCloud anymore. If you choose not to keep it, that data is removed from the iPhone (though it remains in your old Apple ID's iCloud account if it was backed up there).

After you sign out, your iPhone will no longer be linked to that Apple ID. You won't receive messages or FaceTime calls sent to that account, and you won't be able to download apps or make purchases until you sign in with a different account.

Key Takeaways

  • Signing out of your Apple ID in Settings is the first step, and you'll need your password to confirm the sign-out.
  • You can choose to keep or remove iCloud data from your iPhone when you sign out, but the data remains in your old account's iCloud backup either way.
  • After signing out, sign in with your new Apple ID in the same Settings menu where you signed out.
  • If you forget your password, use the Apple ID account recovery page on a computer or another device to reset it before trying to sign in again.
  • Two-factor authentication may be required during sign-in, which sends a code to a trusted device or phone number associated with your account.

Sign in with your new Apple ID

Once you've signed out, go back to Settings and tap Sign in to your iPhone at the top of the screen. Enter the email address or phone number associated with your new Apple ID, then enter the password. If your new account uses two-factor authentication (a security feature that requires a second verification step), you'll receive a code on a trusted device or phone number and need to enter it to complete the sign-in.

Your iPhone will then sync with the new Apple ID's iCloud account. This means your new contacts, photos, calendars, and other data stored in that iCloud account will begin downloading to your phone. This process can take several minutes depending on how much data you have and your internet connection speed.

What happens to your apps and data

Apps you purchased with your old Apple ID will remain on your iPhone, but you won't be able to update them anymore. To update those apps, you have two choices: delete them and repurchase them with your new Apple ID, or keep them as they are without updates. Most people delete and repurchase only the apps they use regularly.

Your photos, messages, and other personal data that were stored locally on your iPhone (not backed up to iCloud) stay on the device regardless of which Apple ID you're signed in with. However, if you had iCloud backup turned on with your old Apple ID, that backup is no longer being updated. If you want to restore from that old backup later, you would need to sign back in with the old Apple ID.

Updating your Apple ID for the App Store

After you sign in with your new Apple ID, the App Store, Apple Books, and Apple Music will automatically use that account for purchases and downloads. Any subscriptions you had through your old Apple ID (like Apple Music or iCloud+ storage) will not transfer to your new account — you'll need to set those up separately if you want them.

If you're part of a family sharing group with your old Apple ID, you'll be removed from that group when you switch accounts. You can join a different family sharing group with your new Apple ID, or create your own.

Recovering a forgotten Apple ID password

If you don't remember the password for your new Apple ID, you can reset it before signing in. On your iPhone, tap Settings > Sign in to your iPhone > Forgot password?, or go to iforgot.apple.com on any web browser. Apple will ask you to verify your identity using a trusted phone number, recovery email, or security questions you set up with that account.

The reset process usually takes a few minutes. Once you've created a new password, return to your iPhone and sign in with the new credentials. If you can't verify your identity through the standard methods, Apple offers additional recovery options, though these may take longer.

Signing out of other devices

If you're switching Apple IDs because you're moving to a different account entirely, you may want to sign out of your old Apple ID on other devices too — like a Mac, iPad, or Apple Watch. This prevents confusion and ensures you're not receiving notifications or syncing data across devices with mixed accounts.

On each device, go to Settings (or System Preferences on Mac), find the Apple ID section, and sign out. You'll follow the same process as you did on your iPhone: enter your password to confirm, and choose whether to keep local copies of your data.

Frequently Asked Questions

Will my photos and messages transfer to my new Apple ID?

Photos and messages stored on your iPhone stay on the device no matter which Apple ID you sign in with. However, photos and messages backed up to iCloud with your old Apple ID won't automatically appear under your new account. You would need to access them through your old Apple ID's iCloud account.

Can I use the same Apple ID on multiple iPhones?

Yes. You can sign in with the same Apple ID on as many iPhones as you own. However, if you turn on iCloud sync for photos, contacts, or other data, those items will sync across all devices using that Apple ID, which can cause confusion if you want different data on different phones.

What if I want to go back to my old Apple ID?

You can sign out of your new Apple ID and sign back in with your old one at any time using the same process. Your old account's data and purchases will be available again once you sign in. Just remember that you'll need the password for your old Apple ID.

Do I need to change my Apple ID on my Apple Watch or Mac too?

Not necessarily, but it's simpler if all your devices use the same Apple ID. If you leave different accounts on different devices, you may miss notifications or have trouble with features that sync across devices. Most people find it easier to use one Apple ID everywhere.

Will my iCloud+ subscription transfer to my new Apple ID?

No. Subscriptions like iCloud+ storage, Apple Music, or Apple TV+ are tied to the Apple ID that purchased them. You'll need to set up new subscriptions with your new Apple ID if you want them, and you may be charged again depending on your plan.