Error 0xE8000014 when connecting iPhone: causes and solution

What Does Error 0xE8000014 Mean?

Error 0xE8000014 appears in iTunes (Windows) or Finder (macOS) when attempting to connect an iPhone, iPad, or iPod touch to a computer. It indicates that the computer cannot establish a secure connection with the device. It is usually accompanied by the message: "Could not connect to device. An unknown error occurred (0xE8000014)".

This error blocks synchronization, backup, and iOS updates via computer. Although the device may still charge, data transfer is impossible.

Causes

Error 0xE8000014 can be triggered by the following specific causes:

1. Cable or port issues: Using a non-original, damaged cable or a USB hub. The computer's port may be faulty or unable to provide sufficient power to the device.
2. Trust relationship failure: The trust request on iOS was not confirmed during the initial connection, or trust settings are corrupted (e.g., after a network reset).
3. Outdated or corrupted drivers (Windows): The Apple Mobile Device USB Driver is not functioning correctly or conflicts with other drivers.
4. Software conflicts: Antivirus, firewall, or other programs (e.g., third-party iOS utilities) block the iTunes/Finder connection to the device.
5. Outdated iTunes version (Windows) or outdated macOS version (Mac): iTunes or Finder is incompatible with the current iOS version.
6. USB controller issues on the computer: Incorrect USB power management settings in Windows (e.g., port disabling for power saving).

Solutions

Apply solutions in order, starting with the simplest. After each step, check if the error has disappeared.

Solution 1: Check Cable and Ports

Most often, the error is caused by a faulty cable or port. Do the following:

1. Use an original Apple cable (Lightning or USB-C connector). Non-original cables often support charging only, not data transfer.
2. Connect the cable directly to a USB port on the computer, not through a hub or the front panel of a PC. It's better to use ports on the rear panel (they are usually more powerful and stable).
3. Try a different USB port on the computer.
4. If possible, test the cable on another computer or connect the device to a different computer.

If the error disappears—the problem is with the cable or port. Replace the cable with an original one or use a different port.

Solution 2: Restart Devices

A simple restart often resolves temporary software glitches:

1. Restart your iPhone/iPad: Hold the power button and the volume down button (on models without a Home button) or the Home button (on older models) until the slider appears. Drag the slider, then turn the device back on.
2. Restart your computer.
3. After rebooting, connect the device to the computer and check if the error is gone.

Solution 3: Update or Reinstall iTunes (Windows) / Update macOS (Mac)

For Windows:

1. Open iTunes → Help → Check for Updates. Install the latest version if available.
2. If the error persists, completely uninstall and reinstall iTunes:
   • Download iTunes from the official Apple website.
   • Uninstall iTunes via Control Panel → Programs and Features.
   • Also uninstall Apple Mobile Device Support and Apple Application Support (if listed).
   • Restart the computer.
   • Reinstall iTunes using the downloaded installer.

For macOS:

On a Mac, iTunes is replaced by Finder. Ensure macOS is updated:

1. Open System Settings → Software Update.
2. Install all available updates.
3. Restart the Mac.
4. Connect the device via Finder (in the sidebar under your name).

Solution 4: Reset Trust Settings on the Device

If the computer was previously trusted but the trust relationship was reset or corrupted, you need to confirm trust again.

1. On the iPhone/iPad, go to Settings → General → Transfer or Reset iPhone → Reset.
2. Select Reset Location & Privacy. Enter your password if prompted.
3. After the reset, connect the device to the computer. A "Trust This Computer?" prompt will appear on the iPhone—tap "Trust" and enter your password if necessary.
4. Check if synchronization works.

⚠️ Important: This reset does not delete data from the device, but it resets all privacy settings (e.g., app access to contacts). You will need to grant permissions to apps again.

Solution 5: Update Drivers (Windows) or Reset SMC (Mac)

For Windows:

1. Open Device Manager (Win + X → Device Manager).
2. Expand "Portable Devices". Find your device (e.g., "Apple iPhone").
3. Right-click → "Update driver" → "Search automatically for updated driver software".
4. If that doesn't work, uninstall the driver:
   • Right-click → "Uninstall device". Check "Delete the driver software for this device" if available.
   • Disconnect and reconnect the device. Windows will reinstall the driver.
5. Also check the Apple Mobile Device USB Driver under "Universal Serial Bus controllers" (may be hidden; enable "Show hidden devices" in the "View" menu). Update or reinstall similarly.

For Mac (Intel):

Resetting the SMC (System Management Controller) may help if the issue is related to power management of USB ports. The process differs by Mac model:

• Mac notebooks with non-removable battery (T2 chip): Shut down. Press and hold Control + Option + Shift for 7 seconds, then press and hold the power button for another 7 seconds. Release all keys, wait a few seconds, then power on.
• Mac notebooks with non-removable battery (no T2 chip): Shut down. Press Shift + Control + Option on the left side and the power button simultaneously for 10 seconds. Release all keys, then power on.
• Mac desktops (T2 chip): Shut down, unplug the power cord, wait 15 seconds, plug back in, wait 5 seconds, then power on.
• Mac desktops (no T2 chip): Shut down, unplug the power cord, wait 15 seconds, plug back in, wait 5 seconds, then power on.

After resetting the SMC, reconnect the device and check if the error persists.