Fix Unable to Complete Data Transfer iPhone 16/15: 6 Ways
Do you know how to do when you are unable to complete data transfer on iPhone 16/15 (Plus) /Pro (Max)? Find answers in this article and the easiest way is also listed to help you finish the iPhone-to-iPhone transfer efficiently.
Can't transfer data from iPhone 15 to 16.
Just bought an iPhone 16 and having massive problems transferring data from the old 15 to the new 16... It just refuses to work. The iOS for both are updated to 18, so it can't be that issue. Used to be so easy but does it seem like apple has more and more issues out of the box? Like overheating etc... If anyone has any suggestions I'd appreciate it!
- Question from Reddit
When you switch to a new iPhone 16, you may need to transfer data from old iPhone to your new iPhone. However, sometimes an error message "unable to complete data transfer" may appear during the transfer to stop the process. How can you easily fix it and why does this error occur? Read this passage to get more detailes.
Best alternative to fix unable to complete data transfer iPhone 15/16
When you encounter the iPhone 15/16 unable to complete data transfer issue, FoneTool will be the fastest way to realize the process. Its various features and advantages can provide you with a more efficient experience, whether you have set up your new iPhone or not.
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Dozens of GB of data can be moved in a very short time without losing quality.
You can transfer all data on old iPhone to new iPhone in one click, even if they are using different Apple IDs.
You can selectively transfer photos, videos, music, ringtones, contacts, etc. from iPhone to iPhone.
The transfer process only relies on reliable USB connections, which ensures all data is safe.
FoneTool works well with various iPhone models and iOS versions (iPhone 16/iOS 18).
Step 1. Click the button to download the FoneTool on your PC > Connect both of your iPhones to the computer with two USB cables > If promoted, click Trust on your iPhone to continue.
Step 2. Choose Phone Transfer > Go to iPhone to iPhone and click Get Started.
?️ Using FoneTool to finish the iPhone-to-iPhone transfer will wipe all data on your target iPhone, so it’s better to back up your important data to avoid data loss. (Go to Phone Backup > Choose Selective Backup)
?️ If you have only one USB cable and both of your iPhones support the same port, you can go to Phone Backup > Choose Full Backup to back up all old iPhone data to PC. Then plug in your new iPhone and go to My Backups > Click Restore to move your data. Restoring full backup will also overwrite all data on your target iPhone.
Step 3. Confirm the source device and the target device > Enable backup encryption if necessary > Click Start Transfer to begin the task.
Once the process is completed, you can view all old iPhone data on your iPhone 16/15 (Plus) / Pro (Max).
6 common ways to fix iPhone 16 unable to complete data transfer
When the transfer process is interrupted by some unknown errors, you can find solutions below to solve your problem. Before the process, you should first charge both of your iPhones and make sure that there is enough space on your iPhone 16/15. (Go to Settings > General > Click iPhone Storage to check it.)
? View the video tutorial to fix the new iPhone 15 data transfer issue
Solution 1. Check the Internet connect
If the internet connection on your devices is too weak or unstable, you should switch to a new network. For people who use cellular data in the process, it’s better to change to a Wi-Fi network. You can also reset network settings to fix the issue. (Go to Settings on your iPhone > Tap General > Reset > Reset Network Settings.)
No, it won't. This action only resets Wi-Fi networks, cellular settings, and VPN settings that you’ve used before but never erases any data.
Solution 2. Check the files’ format
Not all transferred file formats are compatible with iOS devices. Ensure that the files you're trying to transfer are in formats supported by your iPhone. You may need to convert or reformat files if necessary.
Solution 3. Force restart the old iPhone
You can also force restart both of your iPhones to troubleshoot the issue.
For iPhone 8 Plus/8/X or later: Press and release the Volume Up button > Press and release the Volume Down button > Press and hold the side button until the Apple logo appears.
For iPhone 7 Plus or 7: Press and hold the Sleep/Wake and Volume Down buttons simultaneously until the Apple logo appears.
For iPhone 6 or earlier: Press and hold the Home button and Sleep/Wake button at the same time until the Apple logo is displayed on your screen.
Solution 4. Reset your new iPhone 15/16
If your iPhone displays the error message, it often offers the option to reset the iPhone to initiate the setup process again. This can effectively solve the issue, but please be aware that it will erase all data on your iPhone.
Or you can go to the Settings app > General >Tap on Transfer or Reset iPhone > Choose Erase All Content and Settings and then confirm by selecting Continue. Follow the onscreen instructions to complete the reset process.
You can also use FoneTool to reset iPhone to factory settings in one click easily.
Solution 5. Enable Bluetooth on iPhones
Wireless data transfer relies on both Bluetooth and Wi-Fi, so it's crucial to ensure that both are enabled on your iPhones. Here are the steps to turn on Bluetooth on your iPhone.
Go to the Control Center (Open it by swiping down from the top of your iPhone screen. If you're using an iPhone 8 or earlier, swipe up from the bottom edge of the screen) > Look for the Bluetooth icon and toggle it on.
Solution 6. Update software on your iPhone
When your iPhone unable to complete data transfer, updating your iPhone's operating system can often fix temporary bugs and issues appearing in the transfer process. Open the Settings app on your iPhone > Scroll down and select General > Choose Software Update > If an update is available, tap Download and Install.
Why data transfer cancelled iPhone 16/15?
- Your iPhone doesn't have enough available storage space.
- A stable internet connection is essential for successful file transfers.
- The low battery on your iPhone might not have enough power to complete the transfer.
- Some file formats are not compatible with iOS devices.
- Software bugs or glitches can interfere with file transfers.
Conclusion
That’s all about what can you do when you are unable to complete data transfer iPhone 15/16. You can charge your iPhones and check the iPhone storage first. Then you can check the internet connection, check and convert the files’ format, force restart iPhone, reset your iPhone 16/15, enable Bluetooth or update software to fix this iPhone data transfer cancelled issue.
If you need to make an iPhone-to-iPhone transfer after setup, hope FoneTool can help you a lot. Once you have any queries or feedback, please feel free to contact us.
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Kathy is an editor of FoneTool, who prefers to help more users address a series of iOS-related problems. She likes traveling and being close to nature makes her relax. She is also keen to engage in social activities and spend much free time with her friends.
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