The fastest way: iCloud automatic transfer during setup

When you turn on a new iPhone for the first time, Apple walks you through a setup screen that asks if you want to restore from a backup. If you backed up your old phone to iCloud before you switched, this is the simplest path — the new phone downloads your apps, photos, messages, contacts, and settings automatically while you wait.

The catch is timing. You need that iCloud backup to exist before you start the new phone's setup. If you already turned on the new phone without restoring, you can still transfer data, but it takes longer and requires more steps. The automatic route during setup takes 30 minutes to a few hours depending on how much data you have and your internet speed.

To use this method, make sure your old iPhone is backed up to iCloud. Go to Settings, tap your name at the top, select iCloud, then tap iCloud Backup. Turn it on if it is not already on, then tap Back Up Now. Wait for the backup to finish — you will see a timestamp showing when it completed.

Key Takeaways

  • The iCloud automatic transfer during new phone setup is the fastest method if your old phone is already backed up.
  • If you already turned on your new phone, you can still transfer data using iCloud by signing in with your Apple ID during setup or through Settings afterward.
  • A direct cable transfer using a USB-C or Lightning cable moves data without needing iCloud, though it requires a computer or USB adapter.
  • Some data like banking apps, health records, and certain game progress may not transfer and will need to be set up manually on the new phone.
  • The transfer process can take anywhere from 30 minutes to several hours depending on how much data you have and your internet connection speed.

Transferring data if you already started setup on the new phone

If you turned on your new iPhone and got past the initial setup screens, you can still restore from your iCloud backup. Go to Settings on the new phone, tap General, then select Transfer or Reset. Choose Erase All Content and Settings, then go through the setup process again. When you reach the restore screen, sign in with your Apple ID and choose the backup you want to restore.

This erases everything on the new phone and starts fresh, so only do this if the phone is brand new and you have not added anything you want to keep. The process takes the same amount of time as the automatic method — usually 30 minutes to a few hours.

If you do not want to erase the new phone, you can restore individual items instead. Go to Settings, tap your name, select iCloud, and turn on the types of data you want to sync — Photos, Mail, Contacts, Calendars, and others. This does not move everything, but it brings over the most important items without erasing what is already on the phone.

Using a cable to transfer data without iCloud

If you do not have iCloud storage space or your internet is too slow for a large backup, you can transfer data directly using a cable. You will need a computer (Mac or Windows), a USB-C to USB-C cable or Lightning to USB cable depending on your iPhone model, and the latest version of Finder on Mac or iTunes on Windows.

Connect your old iPhone to the computer with the cable, open Finder or iTunes, and select your phone from the sidebar. Click Backup Now and wait for the backup to finish. Then connect your new iPhone, select it in Finder or iTunes, and click Restore from Backup. Choose the backup you just created and wait for the transfer to complete.

This method does not require an internet connection and is often faster than iCloud if you have a slow connection. The downside is that you need access to a computer and the right cables. If your old phone uses Lightning and your new phone uses USB-C, you will need a Lightning to USB-C cable or an adapter.

What transfers and what does not

Most of your data moves over: photos, videos, messages, contacts, calendar events, notes, reminders, mail accounts, and app data. Your home screen layout, wallpaper, and accessibility settings also transfer. Downloaded apps reinstall automatically if they are still available in the App Store.

Some things do not transfer no matter which method you use. Banking apps, payment apps like Venmo, and apps that use two-factor authentication usually require you to sign in again on the new phone for security reasons. Health data, fitness records, and some game progress may not transfer if the app developer did not set up that backup feature. Voicemail does not transfer — you will need to set that up with your carrier on the new phone.

Passwords stored in iCloud Keychain do transfer, but if you use a password manager like 1Password or LastPass, you will need to sign into that app on the new phone separately. Apple Pay cards do not transfer automatically — you will need to add them again in the Wallet app, though Apple usually makes this quick by letting you tap to add the same card.

Troubleshooting a slow or stuck transfer

If your transfer is taking longer than expected, check your internet connection. iCloud transfers slow down dramatically on weak Wi-Fi. Move closer to your router or switch to a wired connection if you are using a computer cable transfer.

If the transfer stops or fails partway through, do not panic. Disconnect both phones and try again. If you are using iCloud, make sure you have enough storage space — go to Settings on your old phone, tap your name, select iCloud, and check the storage meter at the top. If you are out of space, you can buy more storage temporarily, delete old photos or videos you do not need, or use the cable method instead.

If the new phone gets stuck on a loading screen during restore, force restart it by pressing and holding the volume up button, then the volume down button, then pressing and holding the side button until you see the Apple logo. This usually takes 10 to 15 seconds. Then try the restore again.

Moving data between iPhones with different storage sizes

You can transfer data from a larger iPhone to a smaller one without problems — the transfer only moves the data itself, not the storage capacity. If your old phone has 256 GB and your new phone has 128 GB, the transfer will work as long as the actual data you are moving is less than 128 GB.

The system will warn you if your data is too large to fit. In that case, you can delete photos, videos, or apps from your old phone before backing up, or you can restore selectively by turning off certain data types in iCloud settings. For example, if your photo library is huge, you can turn off photo sync and add photos manually later through the Photos app.

Frequently Asked Questions

Can I transfer data if my old iPhone is broken or will not turn on?

If the phone will not turn on at all, you cannot back it up. However, if you backed it up to iCloud before it broke, you can restore that backup to your new phone. If you never backed it up, that data is lost. This is why backing up regularly matters — it protects you if your phone is lost, stolen, or damaged.

How much iCloud storage do I need to back up my iPhone?

You get 5 GB free with every Apple ID. If your photos, videos, and apps total more than that, you will need to buy more storage. Check how much you are using by going to Settings, tapping your name, selecting iCloud, and looking at the storage meter. You can buy 50 GB, 200 GB, or 2 TB depending on your needs.

Will my text messages and iMessages transfer?

Yes, both transfer through iCloud backup or cable transfer. However, very old messages may not transfer if they were deleted from iCloud. iMessages are tied to your Apple ID, so as long as you sign in with the same ID on the new phone, they sync automatically.

Do I need to cancel my old phone plan before transferring data?

No. Data transfer and phone plans are separate. You can transfer data while your old phone is still active on a plan. Once the transfer is done and you confirm everything is on the new phone, then contact your carrier to move your phone number and plan to the new device.

What if I want to keep using my old iPhone after the transfer?

You can. The transfer copies data to the new phone — it does not remove it from the old one. Both phones will have the same data until you decide to stop using the old phone. Just be aware that changes you make on one phone (like deleting a contact or sending a message) will not automatically appear on the other unless they are synced through iCloud.