iTunes Can't Detect iPhone on Wi-Fi: Full Diagnosis and Fix

You are trying to sync iPhone With iTunes over a wireless network, but the program stubbornly doesn't detect the device? This problem is more common than you might think—especially after updates. iOS or changing the router. Unlike a wired connection, where you simply plug in a cable, wireless synchronization depends on a number of factors: settings Bonjour on your computer, right down to your firewall settings and even router firmware versions.

In this article we will look at all possible reasons, according to which iTunes (or its successor - the application Finder on macOS Catalina and newer) may not detect iPhone through Wi-Fi. You will receive step-by-step instructions For Windows And macOS, and you'll also learn how to check if your router is blocking necessary ports. We'll pay special attention to hidden iOS settings that Apple doesn't advertise in official documentation.

1. Checking the basic conditions for Wi-Fi synchronization

Before you dig deep into your network settings or reinstall iTunes, make sure that they are completed minimum requirements for wireless synchronization. Many users miss these points, spending hours troubleshooting non-existent problems.

Firstly, iPhone and a computer must be connected to the same Wi-Fi networkThis seems obvious, but in practice it often turns out that devices are sitting on different frequencies of the same router (for example, 2.4 GHz And 5 GHz). Check this in the settings. Wi-Fi on both devices.

• 🔌 The first connection must be via cable.Wireless synchronization is enabled only after a successful wired connection to iTunes (or Finder on macOS). If you have never connected iPhone to this computer via USB, Wi-Fi synchronization will not work.
• 🔄 Updated softwareMake sure that on iPhone the current version is installed iOS, and on the computer - the latest version iTunes (For Windows) or macOS (For Mac). Older versions often contain bugs with device detection.
• 🛡️ No blocking. Antiviruses (for example, Kaspersky, Avast) or firewalls may be blocking the service Apple Mobile Device, responsible for communication with iPhone. Temporarily disable them to check.

⚠️ Warning: If you use macOS Catalina (10.15) or newer, iTunes is missing from the system. Instead, synchronization is performed via Finder (Overview tab when connecting iPhone). The algorithm for searching for a device via Wi-Fi remains the same.

2. iPhone Settings: Enable Wi-Fi Sync

Even if the computer and iPhone If your devices are on the same network, the wireless sync feature itself may be disabled on the device. Check the following settings:

Open on iPhone Settings → General → Sync with iTunes over Wi-FiThe computer you previously connected to via USB should be displayed here. If it's not there, the initial wired connection failed or was unsuccessful.

Is "Sync with iTunes over Wi-Fi" turned on?|Are your iPhone and computer on the same Wi-Fi network?|Does your computer appear in your trusted devices list?|Is "Do Not Disturb" mode turned on on your iPhone? (This may block background processes.)-->

If the computer is in the list, but synchronization does not start:

1. Reboot iPhone and a computer.
2. Connect iPhone via USB, wait for it to appear in iTunes/Finder, then unplug the cable. Sometimes this "wakes up" the sync service.
3. Check if it is turned on iPhone mode Low energy consumption (Settings → Battery). It can limit background processes, including synchronization.

If the computer is not listed at all, run forced wired connection:

1. Connect iPhone to the computer via USB.
2. Open iTunes (Finder on macOS) and wait for the device to appear.
3. In the "Overview" section (Summary) check the box Sync with this [device] over Wi-Fi.
4. Disconnect the cable and reboot both devices.

3. Network problems: router, IP addresses, and ports

If the settings iPhone and the computer are correct, but synchronization still does not work, the problem lies in network infrastructureWireless synchronization iTunes uses the protocol Bonjour (aka mDNS), which can be blocked by a router or incorrect IP settings.

First check, Do devices see each other on the local network?:

• On Windows: open Command line and enter

  ping [your iPhone's IP address]

  (You can find out the IP in Settings → Wi-Fi → Current network). If the ping doesn't work, there's a connection problem.
• On macOS: use Terminal and the same team ping.

If the ping goes through, but iTunes still doesn't see iPhone, check:

⚠️ Note: Some providers (especially corporate networks or public Wi-Fi) block the protocol Bonjour To prevent data leaks, wireless synchronization is not possible in this case; use USB.

4. Computer-side issues: services and firewall

There must be several running on the computer. critical Apple services, without which iTunes will not be able to detect iPhone Neither USB nor Wi-Fi. Check their status:

On Windows:

1. Click Win + R, enter services.msc and find the following services:
   • Apple Mobile Device Service (must be running)
   • Bonjour Service (if installed)

On macOS Problems with services are less common, but sometimes a reset helps mDNSResponder:

sudo killall -HUP mDNSResponder

Next, check firewall and antivirus:

• 🛡️ Temporarily disable your firewall Windows (Control Panel → Windows Defender Firewall).
• 🔍 Add exceptions for iTunes.exe, AppleMobileDeviceService.exe And Bonjour Service.
• 🦠 Disable your antivirus (especially if it Avast, Kaspersky or 360 Total Security) and try synchronizing again.

net stop "Apple Mobile Device Service"
sc delete "Apple Mobile Device Service"
cd %ProgramFiles%\Common Files\Apple\Mobile Device Support\Drivers
del /f /q usbaapl* (removes USB drivers, they will be restored the next time you connect)
   

5. Reset network settings and reinstall iTunes

If the previous steps didn't help, it's time for radical measuresLet's start by resetting network settings on iPhone:

Go to Settings → General → Transfer or reset iPhone → Reset → Reset Network SettingsThis will delete all saved Wi-Fi networks and passwords, but it often resolves connection issues. After the reset, reconnect to the network and check syncing.

On the computer:

1. Remove completely iTunes and related components:
   • On Windows use the utility Apple Software Update or the official removal tool from Apple.
   • On macOS It is enough to update the system to the latest version.

sudo killall -HUP mDNSResponder