Connection Issues with iMazing

Connection issues fall into two categories: USB connection issues and Wi-Fi Connection issues. It's always best to first make sure that your device can connect to iMazing via USB.

Wi-Fi and USB connection issues can have many origins: they are by nature complex processes that are sometimes hard to troubleshoot. Often, the problem will also affect connection with iTunes.

Before proceeding any further, always make sure that iTunes is up to date, especially if your device's iOS version is recent.

 

USB Connection Issues

Please see the following articles for USB Connection Issues:

 

Wi-Fi Connection Issues

1. Launch iMazing, connect your USB cable for few seconds and disconnect it, that should fix most of issues. 

2. In iMazing's Device Options, verify that Wi-Fi Connection is enabled. Also try to disable / enable it.

To do so, connect your device via USB to your computer.deviceoptions_wificonnectionselected.jpeg

3. Make sure both your device and your computer are connected to the same Wi-Fi network / subnet.

4. Switch your device's Wi-Fi off, then back on.

Make sure it reconnects to the same Wi-Fi network where your computer is connected. 

5. Restart both your device and your computer and relaunch iMazing.

6. Restart your Wi-Fi router.

7. Windows only: if your device still is not picked up via Wi-Fi or even via USB, you may need to re-install Apple drivers from iMazing's Preferences window:

Edit > Preferences… > Reinstall Apple Mobile Device Services

If your device still does not connect to iMazing via Wi-Fi, your firewall may be interfering. Keep reading for how to troubleshoot macOS and Windows firewall issues.

 

macOS System Firewall

Firewall settings are found in the System Preferences app's Security & Privacy section, Firewall tab:

macOS-security-settings.jpg

In the Firewall Options window, make sure that code signed apps are authorised to receive incoming connections:

macOS-firewall.jpg

If you do not wish to allow signed software to receive incoming connections, you will need to add iMazing and iMazing Mini (if applicable) to the whitelist in that window.

 

Windows 7-10 System Firewall

Firewall settings are found in Control Panel > System and Security > Windows Firewall

You should make sure that Inbound Rules for Apple's Bonjour services looks as in the screenshot below:

win-firewall-settings.jpg

Please also make sure that Outbound Rules are not blocking Bonjour.

 

Advanced Firewall and Router Settings

In your firewall and router settings, please check that TCP ports 123 and 3689, and UDP ports 123 and 5353 are open. By default, they should be, but if you ever touched these settings yourself, or if you are in a corporate environment, some of these ports can be blocked router side or firewall side.

 

3rd Party Security Software

3rd party security software can also sometimes interfere: antivirus suites or traffic monitoring tools such as Little Snitch, for example. You should make sure that iMazing and iMazing Mini are included in whitelists in all 3rd party apps which may block local network traffic. In addition, on Windows whitelisting Apple's Bonjour and Mobile Device Services are required.

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