iPhone Data Recovery

How to transfer old iPhone data to iPhone 18? Everything You Need to Know

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Summary:

To transfer your data to a new iPhone 18, first update your old iPhone, turn on Wi-Fi and Bluetooth, and keep both devices charged above 80%. Then, place the new iPhone 18 next to your old, unlocked iPhone and tap Continue on the “Set Up New iPhone” message that pops up.

Table of Contents

Use your old phone’s camera to scan the blue animation on the new screen, enter your old passcode on the new iPhone 18, and select Transfer from iPhone to move all your data directly between the devices safely. Read this blog for more ways to transfer data.

iPhone 18 is the latest move from Apple. While its specs are yet to be reviewed, everyone is wondering whether the data transfer process remains the same, as historically, not all data moves on their own. This means you may easily lose precious app data and saved files, if you do not ensure a seamless transition from the old iPhone to the new iPhone 18.

“The most common mistake I see iPhone users make is treating data transfer as a simple, one-click process. With the advanced architecture of the iPhone 18 and modern iOS syncing, you have to know exactly what is moving and how.

If you notice data is suddenly missing from both your new phone and your old phone, don’t panic, your files likely aren’t deleted. What usually happens is an iCloud syncing conflict, making data temporarily invisible on both screens. If not, you can recover those files with a tool.

Before you press ‘Transfer,’ ensure both the devices are fully charged, your old device has completed a manual iCloud backup, and your login credentials are verified.” – Rohit Arora, Research & Development Head, Stellar Data Recovery


Before moving on to ways to transfer iPhone data to a new phone, we have prepared a checklist you should follow to avoid data loss. 

iPhone 18 Pre-Transfer Checklist

Run through this list before you touch the setup screen. Skipping even one of these can stall a transfer midway.

  • Update your old iPhone to the latest iOS version under Settings, General, Software Update.
  • Connect to a strong, stable Wi-Fi. 
  • Charge both phones past 50 percent, or better yet, keep them plugged in during the whole process.
  • Check your iCloud storage if you plan to back up or restore through iCloud. Free accounts get 5GB, which fills up fast.
  • Write down or save your passwords for anything that will not transfer automatically, including the banking or work apps.
  • Unpair your Apple Watch from the old iPhone, so it can re-pair cleanly with the new one.
  • Make sure your old iPhone has not already been erased. 

Ways to Transfer Data to Your New iPhone 18

Below are the various methods to transfer data to your new iPhone 18.

  1. Quick Start Transfer for a New iPhone Device

This is Apple’s wireless method and the one most people reach for first. It works well for smaller amounts of data and does not need a computer.

  • Turn on your new iPhone and place it near your old, unlocked iPhone.
  •  A Quick Start screen appears on the old iPhone, asking if you want to set up the new one using your Apple ID.
  • Tap Continue, then hold the new iPhone over the animation shown on the old one to scan it.
  • Enter your old iPhone’s passcode when it is requested on the new device.
  • Set up Face ID, then choose to transfer from iCloud Backup or transfer directly from your old iPhone.
  • Keep both devices near each other and on Wi-Fi until the progress bar reaches 100 percent.
  1. Wired Transfer (USB-C) for iPhone 18

If you have a large photo library or thousands of songs, a cable is usually faster and far more reliable than relying on Wi-Fi the whole time.

  • During setup, choose Transfer Directly from iPhone instead of the wireless option.
  • Connect your old and new iPhone using a USB-C to Lightning or USB-C to USB-C cable, depending on your old model.
  • Confirm the prompt on both screens to allow the connection.
  • Choose what to bring over. You can usually transfer everything or select specific categories.
  • Let the transfer run until it finishes. A wired connection is far less likely to drop midway than Wi-Fi.

What Transfers Automatically vs. What You Need to Transfer Manually to an iPhone 18?

Most of your data moves over automatically with just a tap of a button. However, a handful of things need a small manual step, and knowing which one needs manual intervention saves time and hassle later.

Data TypeTransfers Automatically?What To Check
Photos, videos, contacts, calendarYesConfirm the photo count matches once everything settles
Apps and app data (most apps)MostlyA few apps ask you to sign in again on first launch
Messages and iMessage historyYesGive it time. iMessage can take a while to fully sync
WhatsApp and other third-party chat appsNo, usuallyUse that app’s own backup and restore feature
Two-factor and passkey secretsSometimesSome authenticator apps need a manual re-link
Health app dataYes, if using Quick Start or encrypted backupWon’t transfer from an unencrypted computer backup

Post-Transfer – What to Look For? 

It is best to spend some time confirming everything actually made it over before you wipe off the old phone.

  • Open Photos and compare the total item count against your old iPhone. Set up Face ID or Touch ID again, since this never carries over for security reasons.
  • Re-enable two-factor authentication or re-link any authenticator apps that did not transfer automatically.
  • Re-pair your Apple Watch, AirPods, and CarPlay from the new iPhone.
  • Open Messages and confirm iMessage and FaceTime are active on the new number and Apple ID.
  • Test your eSIM or physical SIM by making a call or sending a text.

How to Troubleshoot iPhone if the Transfer gets Stuck, Failed, or remains Incomplete?

A frozen progress bar, a storage error mid-transfer, or a folder of photos that simply never showed up are all more common than Apple lets on, especially with big libraries.

First, keep both phones on the same Wi-Fi network and close to each other, restart both devices, and make sure neither one goes to sleep during the process. If the transfer keeps failing, try not moving everything at once. For instance, restore your backup first, then handle photos separately through iCloud Photos.

If you’ve tried the basic fixes more than once and some data still hasn’t shown up, that’s usually a sign it needs to be recovered directly from wherever it’s actually stored, be it your old iPhone’s storage or a backup file that didn’t restore cleanly. This is exactly where a dedicated recovery tool like Stellar Data Recovery for iPhone comes in. It can scan your old iPhone or an iTunes/iCloud backup directly and pull out exactly what’s missing, without making you redo the entire transfer.

If you already deleted data from your old iPhone before double-checking, do not panic. You can easily recover deleted iPhone data without a backup with the help of Stellar Data Recovery for iPhone. Be it restoring missing iPhone contacts or iPhone messages, the tool has got your back for such situations.

How to Erase Your iPhone before Giving it Away?

Once you safely transfer everything on your new iPhone, if you are planning to trade-in, resale, or hand down your old iPhone to a family member, you need to prepare the same.

  • Sign out of iCloud under Settings, your name, then Sign Out, near the bottom of the page.
  • Deregister iMessage under Settings, Messages, so texts do not get split between two devices later.
  • Unpair any remaining accessories, including Apple Watch, if you have not already.
  • Go to Settings, General, Transfer, or Reset iPhone, then Erase All Content and Settings.

A standard erase is enough for most people, but if the phone is heading to a stranger, you should trust a tool built specifically to overwrite and wipe clean your iPhone’s storage, such as Stellar Eraser for iPhone

It adds a layer of additional security if you are doubtful that a factory reset on iPhone can leave traces of data or files.

Does the iPhone 18 (Pro, Pro Max, or Fold) Change Anything for Transfer?

No, the transfer process described above is identical whether you are moving to a Pro, a Pro Max, or Apple’s first foldable iPhone. What changes between models is hardware, not software, and Quick Start, wired transfer, and iCloud restore all work the same way regardless of which one is in your hands.

A quick word on timing, since Apple is doing something different this year. The Pro, Pro Max, and foldable model are expected in September 2026, while the standard iPhone 18 and 18e are rumored to follow in spring 2027. Exact specs for chips, cameras, and pricing are still unconfirmed as of this writing, so treat any numbers you see elsewhere as a rumor until Apple actually announces them. The transfer process itself will not be affected either way.

End Notes

Most iPhone transfers go smoothly, and running through the checklist above is usually all it takes. But if something does go sideways, whether that is a failed restore, a folder of missing photos, or mistakenly deleted a folder, don’t panic because Stellar Data Recovery for iPhone is built for exactly that kind of moment. 

FAQ

It depends heavily on how much data you are moving and which method you pick. A light user with under 20GB might finish Quick Start in 20 to 30 minutes. Someone with a large photo and video library can expect one to several hours, and a wired transfer is usually the faster option in that case.
No, not on its own. WhatsApp stores its chat history separately and needs its own backup and restore step, usually through iCloud or Google Drive, done from inside the WhatsApp app itself before and after the phone switch.
Yes, but only after you unpair it from your old iPhone first and re-pair it with the new one. Unpairing automatically creates a fresh backup of your Watch data, which then restores during the re-pairing process.
Give it a little more time first, since large libraries can look frozen when they are actually still working. If there is truly no progress after 20 to 30 minutes, restart both phones, confirm your Wi-Fi connection, and try again. Breaking the transfer into smaller chunks often succeeds where one giant transfer fails.
It is much harder, but not always impossible. If the old iPhone had a recent iCloud or computer backup, you can still restore from that. If there is no backup at all, a data recovery tool may be able to pull remaining files directly from the device's storage before they get overwritten.
Update your old iPhone's software, connect to reliable Wi-Fi, charge both devices, and confirm you have enough iCloud storage if you are backing up that way. Running through the pre-transfer checklist above takes about ten minutes and prevents most common problems.

About The Author

Totan Banerjee linkdin

With more than 8 years in technical writing, Totan Banerjee specializes in one thing: helping people recover what they thought was lost. From photo and video restoration to SD card recovery and corrup...

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