If you see “iTunes could not connect to the iPhone ‘iPhone’ because an unknown error occurred (0xE)” when syncing, backing up, or restoring, the problem is usually a USB connection issue, outdated software, or a glitch in the iPhone’s lock state. This guide walks through the most reliable fixes, from the simplest cable check to deeper driver and software resets, so you can get your device recognized again without losing data.
What You’ll Need
- Your iPhone and its original or Apple-certified USB cable
- A computer with iTunes (Windows) or Finder (macOS Catalina or later)
- Stable internet connection for downloading updates
- Patience – some steps require a restart
Step-by-Step
- Check the basics first. Make sure your iPhone is powered on and the screen is unlocked. If a “Trust This Computer?” prompt appears, tap Trust and enter your passcode. If you don’t see it, disconnect and reconnect the cable.
- Try a different USB port. Plug the cable directly into a USB port on your computer, not a hub or front-panel port. If you’re on a laptop, use the port that’s built into the main body. Avoid USB-C to Lightning adapters if possible.
- Use a different cable. Even if the cable charges, it may not support data transfer. Try the cable that came with your iPhone or another Apple-certified cable. If you have another iPhone, test whether that one connects – if it does, the cable is fine.
- Restart both devices. Restart your iPhone (press and hold the side button and either volume button until the slider appears, then slide to power off). Restart your computer as well. After both are back on, reconnect and try again.
- Update your software. On Windows, open iTunes and go to Help > Check for Updates. On macOS, go to System Settings > General > Software Update. Also update your iPhone to the latest iOS version if available (Settings > General > Software Update). Outdated software is a common cause of error 0xE.
- Update or reinstall Apple Mobile Device USB driver (Windows only). In Device Manager, expand “Universal Serial Bus controllers.” Look for “Apple Mobile Device USB Driver.” Right-click it and select Update driver > Search automatically. If that fails, uninstall it, then restart your PC – Windows will reinstall it automatically.
- Restart Apple services (Windows). Press Windows + R, type
services.msc, and press Enter. Find “Apple Mobile Device Service” and “Bonjour Service.” Right-click each and select Restart. If they’re not running, set them to Automatic and start them. - Put your iPhone in recovery mode and restore. This is a last resort because it erases your device. Connect your iPhone to the computer, then force restart it while connected: For iPhone 8 or later, press and release Volume Up, then Volume Down, then hold the side button until the recovery mode screen appears. For iPhone 7/7 Plus, hold the Volume Down and Side buttons together. For iPhone 6s and earlier, hold the Home and Top/Side buttons. When you see the recovery mode screen, iTunes or Finder will offer to Restore or Update. Choose Update first – it keeps your data. If that fails, you’ll need to restore, which wipes the device. After the process completes, set up your iPhone from a backup.
- Check for interference from security software. Temporarily disable any antivirus or firewall on your computer and try again. If it works, add iTunes to the exceptions list.
Common Mistakes
- Leaving the iPhone locked during connection – always unlock and tap “Trust.”
- Using a damaged or non-certified cable that only charges.
- Plugging into a USB hub or front-panel port with insufficient power.
- Forgetting to restart both devices after a failed attempt.
- Choosing “Restore” when you meant “Update” in recovery mode – that wipes your data.
Tips
- Keep your iPhone unlocked and the screen on during the initial connection.
- If you’re using a Mac with macOS Catalina or later, use Finder instead of iTunes – the steps are similar.
- Try a different computer to isolate whether the issue is with your iPhone or the original computer.
- Clean the Lightning port gently with a soft, dry toothbrush if it looks dusty.
- After updating iOS, reconnect and try again – sometimes a pending update causes this error.
Troubleshooting
If the error persists after trying all steps, consider these additional checks:
- Check for iOS updates in recovery mode. If you’re already in recovery mode, you can still try “Update” instead of “Restore” – it may fix the issue without erasing.
- Reset the iPhone’s network settings. Go to Settings > General > Transfer or Reset iPhone > Reset > Reset Network Settings. This won’t delete your data but will remove Wi-Fi passwords and Bluetooth pairings.
- Use a different USB port type. If you’re using USB-C, try USB-A, or vice versa, with the appropriate cable.
- Check for third-party software conflicts. On Windows, try booting into Safe Mode with networking and run iTunes there. If it works, a background app is interfering.
- Contact Apple Support. If you’ve exhausted all options and still get 0xE, there may be a hardware issue with the iPhone’s Lightning port or the computer’s USB controller. Apple’s diagnostic tools can help.
Frequently Asked Questions
Will I lose my data if I try recovery mode?
No, as long as you choose “Update” instead of “Restore.” Update keeps your data. Restore erases everything.
Does error 0xE mean my iPhone is broken?
Not usually. It’s almost always a connection or software issue. Only after all fixes fail should you suspect hardware.
Can I fix this on a Mac with Finder?
Yes. The steps are the same – just open Finder and select your iPhone under Locations. The recovery mode process is identical.
Why does my iPhone charge but not connect?
The cable may only support charging, not data. Try a certified cable. Also, the Lightning port might be dirty or damaged.
How do I know if my cable is Apple-certified?
Look for the “Made for iPhone” (MFi) logo on the packaging. Cheap third-party cables often lack the necessary chip for data.
What if I don’t have a backup and need to restore?
If you must restore, you’ll lose data. After the restore, you can set up as new or use iCloud backup if you had it enabled. It’s always wise to back up regularly.
Related
General steps for current mainstream versions; menus can differ by device and version. See the disclaimer or report an error.
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