Getting a new Samsung Galaxy phone is exciting, but the moment you turn it on you’re faced with a familiar worry: how do you move everything — contacts, photos, apps, texts, and settings — from your old device without losing anything or spending hours doing it manually? The good news is Samsung has built a dedicated tool for exactly this problem, and with a little preparation the whole process can be done in under an hour.
This guide walks through the safest and most reliable ways to transfer data from an old Samsung phone (or even an iPhone or other Android device) to a new Samsung Galaxy device, using Samsung’s official Smart Switch app, along with backup precautions and troubleshooting tips for when things don’t go smoothly.
What You’ll Need
- Your old phone and your new Samsung Galaxy phone, both charged to at least 50%
- A stable Wi-Fi connection, or a USB-C to USB-C (or USB-C to USB-A/Lightning) cable for a wired transfer
- Your Samsung account (and Google account, if you use one) login details
- Enough free storage on the new phone to hold your transferred data
- The Smart Switch app installed on both devices (it comes pre-installed on most Galaxy phones, and is also available for iPhone and other Android brands from the Google Play Store or App Store)
Step 1: Back Up Your Old Phone First
Before starting any transfer, back up your old device independently of the transfer itself. This protects you if the transfer is interrupted or something doesn’t copy correctly. On a Samsung phone, go to Settings > Accounts and backup > Back up data and make sure the categories you care about (photos, contacts, messages, app data) are selected and backed up to your Samsung account or Google Drive. On an iPhone, use iCloud backup or a local encrypted backup through a computer.
Step 2: Choose Your Transfer Method
Samsung’s Smart Switch supports three main methods, and which one is best depends on how much data you’re moving and what hardware you have on hand.
- Wireless transfer: Both phones connect over Wi-Fi Direct. This is the most convenient option and works well for moderate amounts of data, though it can be slower for very large photo or video libraries.
- Cable transfer: Using a USB-C cable (or Samsung’s Smart Switch cable/adapter) to connect both phones directly is the fastest and most reliable method, especially for large media libraries.
- Computer transfer: If you don’t have both phones available at the same time, you can back up the old phone to a computer using the Smart Switch desktop app, then restore that backup to the new phone later.
Step 3: Run Smart Switch
On your new Samsung phone, open Smart Switch (it may launch automatically during initial setup) and select Receive data. Choose the type of device you’re transferring from — Galaxy/Android or iPhone/iOS. On your old phone, open Smart Switch and select Send data. Follow the on-screen prompts to connect the two devices, either by scanning a QR code, tapping to connect wirelessly, or plugging in the cable.
Once connected, you’ll see a list of data categories — contacts, photos and videos, messages, apps, call logs, calendar, and settings. Review the list and deselect anything you don’t want copied over (for example, you may not need old call logs). Tap Transfer and keep both phones on charge and near each other until the process finishes. Larger libraries with thousands of photos or many apps can take significantly longer, so don’t interrupt the transfer partway through.
Step 4: Verify Everything Copied Correctly
Once the transfer finishes, spot-check the important categories on your new phone: open your photo gallery and scroll to confirm recent albums are present, check that key contacts and their phone numbers are correct, and open a few frequently used apps to see whether logins carried over or need to be re-entered. Some apps (particularly messaging and banking apps) intentionally require you to log in again on a new device as a security measure — that’s expected and not a sign the transfer failed.
Data Safety and Backup Precautions
Because a phone transfer involves your contacts, photos, messages, and potentially saved passwords or payment information, it’s worth taking a few extra precautions. Keep your old phone’s backup (on Samsung Cloud, Google Drive, or your computer) for at least a few weeks after switching, in case you discover something missing later. Avoid performing the transfer over public or unsecured Wi-Fi networks. If your old phone had banking, authenticator, or payment apps installed, plan to manually re-verify and re-link those on the new device rather than assuming a straight copy is sufficient, since many of them use device-specific security tokens. Finally, don’t factory reset or sell your old phone until you’ve fully confirmed the new one has everything you need.
Common Problems and Fixes
Transfer stalls or freezes partway through: Move both phones closer together, disable battery optimization for Smart Switch temporarily, and make sure neither phone goes to sleep during the process. If it repeatedly stalls on Wi-Fi, switch to a cable connection instead.
Not enough storage on the new phone: Smart Switch will usually warn you before starting. Free up space by removing unused apps or opting to skip large video files, which you can transfer later via cloud storage or a computer.
Some apps don’t appear after transfer: Smart Switch transfers installed apps where possible, but some apps aren’t compatible with direct transfer and will need to be reinstalled manually from the Play Store, after which their own cloud sync (if supported) can restore your data within that app.
Messages or call history missing: If you use a third-party messaging app instead of the default Messages app, check that app’s own backup and restore settings, since Smart Switch primarily handles the default SMS/MMS database.
Frequently Asked Questions
Do I need internet access to use Smart Switch?
A Wi-Fi Direct or cable connection between the two phones is enough for the transfer itself, but you’ll want internet access on the new phone afterward to re-download apps and sign back into accounts.
Can I transfer from an iPhone to a Samsung Galaxy phone?
Yes. Smart Switch is available for iPhone through the App Store and supports transferring contacts, photos, videos, calendar entries, and more from iOS to a Galaxy device.
Will I lose data from my old phone after the transfer?
No, Smart Switch copies your data rather than moving it, so your old phone keeps its data unless you manually erase it afterward.
What if my old phone is too damaged to turn on?
If the old phone still has an existing cloud backup (Samsung Cloud, Google, or iCloud), you can often restore key data like contacts and photos to the new phone directly from that backup instead of a device-to-device transfer.
Steps and menu labels may change as apps update. Last updated: July 2026.