Introduction / Why This Matters
If your Mac doesn't display a connected iPhone in the Finder sidebar, you lose access to key functions: file synchronization via the "Files" tab, backup creation via "General," music and video management. This issue often occurs after an iOS or macOS update, due to a faulty cable, or a failure in the Apple Mobile Device Support component. This guide will walk you through system diagnostics and proven solutions, from simple (rebooting) to advanced (reinstalling drivers).
Prerequisites / Preparation
Before you begin, ensure:
- You have an original or MFi-certified Apple cable (USB-C to Lightning or USB-C to USB-C for newer iPhones).
- The iPhone screen is unlocked and the passcode has been entered.
- The latest version of macOS Ventura (13.x) or newer is installed on your Mac.
- iOS 16.x or newer is installed on your iPhone.
- You have administrator privileges on your Mac to install system components.
Step-by-Step Instructions
Step 1: Check the Cable and Port
The first and most common cause is a faulty cable or port.
- Connect the iPhone to your Mac using an original Apple cable.
- Try a different USB port on your Mac, ideally directly on the computer case rather than through a USB hub.
- Test the cable with another device (e.g., an iPad or another iPhone) to rule out a cable fault.
- Visually inspect the connectors for dirt or damage. Gently clean them with a dry, soft cloth.
Step 2: Reboot the Devices
A simple reboot often clears temporary service glitches.
- On the iPhone: Hold the power button and one of the volume buttons, then slide to power off. Wait 30 seconds and turn it back on.
- On the Mac: Click the Apple menu → Restart.
- After both devices have fully booted, connect the iPhone to the Mac.
- A dialog asking "Trust This Computer?" should appear on the iPhone. Tap "Trust" and, if prompted, enter the device passcode.
⚠️ Important: If the trust prompt doesn't appear, ensure that "Do Not Disturb" (Focus) mode isn't active on the iPhone, as it can block notifications.
Step 3: Update Software
Mismatched iOS and macOS versions are a common cause of connection issues.
- On iPhone:
Settings→General→Software Update. Install all available updates. - On Mac:
System Settings→Software Update. Install all updates, especially those containing "Apple Mobile Device Support" or "iTunes" (although iTunes as an app is no longer used, its components may still be updated). - After installing updates, restart both devices and attempt the connection again.
Step 4: Reset Trust Settings
If trust was established incorrectly, reset it.
- On the iPhone, go to:
Settings→General→Transfer or Reset iPhone→Reset. - Select "Reset Location & Privacy". This will erase all saved Wi-Fi networks, privacy settings, and importantly, all trusted computer records.
- After the reset, the iPhone will reboot. Upon the next connection to the Mac, a new trust prompt will appear — be sure to confirm it.
Step 5: Boot iPhone into Recovery Mode
This step helps if the iOS on the device is "stuck" and doesn't initialize the communication session properly.
- For iPhone 8, SE (2nd and 3rd gen), and newer:
- Quickly press and release the volume up button.
- Quickly press and release the volume down button.
- Hold the side button until the recovery mode screen appears (with an image of a cable and iTunes/Finder).
- For iPhone 7 and 7 Plus: Hold both the volume down button and the side (or top) button simultaneously.
- Connect the iPhone to your Mac as soon as the recovery mode screen appears. Finder should offer to restore or update iOS. If the issue was with the device's software, this will resolve it.
Step 6: Reinstall Apple Mobile Device Support
This system component handles communication between iOS devices and macOS. Reinstalling it resolves most deep-seated failures.
- On your Mac, open Finder.
- Navigate to the
Applications→Utilitiesfolder and launch Terminal. - In Terminal, execute the command to remove the current component:
You will be prompted for your administrator password. Password input in Terminal is not displayed (no characters appear) — simply type the password and press Enter.sudo rm -rf /Library/Apple/MobileDevice/Support - Restart your Mac.
- After rebooting, connect the iPhone. macOS will automatically detect the device and install an updated version of Apple Mobile Device Support in the background. Wait 1-2 minutes.
💡 Tip: If the
sudocommand returns an "operation not permitted" error, this may be due to enabled System Integrity Protection (SIP). In this case, reinstall macOS without erasing data (Recovery Mode), which will also reinstall system components.
Verification
After completing the steps:
- Open Finder on your Mac.
- Under the "Locations" section in the sidebar, your iPhone should appear with its device name and icon.
- Click on it — you should see tabs like "General," "Music," "Photos," etc.
- Also check in
System Settings→General→About This Mac→System Report(or viaSystem Report) under the USB section that your iPhone is listed as a connected device.
Potential Issues
- Error "Failed to connect to iPhone" or code 0xE8000015: Usually indicates a trust issue or temporary glitch. Perform Step 2 (reboot + trust) and Step 4 (reset trust).
- iPhone appears in the USB system report but not in Finder: The issue is with the Finder component or Apple Mobile Device Support. Perform Step 6 (reinstall support).
- Finder sees iPhone but doesn't show tabs (Music, Photos): Ensure that on the iPhone in
Settings→General→Auto-Lockis not set to "Never". Also check if "Low Power Mode" is enabled, which can restrict functions. - Device is detected but charging is very slow or not happening: Problem with the cable or power adapter. Use an Apple cable and power adapter with at least 20W for iPhone 8 and newer.
- Problem persists after reinstalling support: Try creating a new administrator user account on the Mac, log in as that user, and test the connection. If it works, the problem lies in the user folder configuration (caches, settings) of the old account.