Sometimes when you connect your iPhone, iPod touch or iPad to your computer via a USB cable on your iOS device, the following message may appear – “Trust this computer?”. In this article we will understand the nature of the origin and purpose of this message and how to disable it.

Why Does the Message “Trust This Computer?” Appear?

The message “Trust this computer?” Appears when the iPhone or iPad is connected to an unknown computer that you have never connected to before. Apple specifically added this message as a protective mechanism between the computer and the iOS device to prevent unauthorized access to data.

Apple asks you to respond to the message “Trust this computer?” When you perform the following actions from your computer:

  • sync content via iTunes;
  • access to photos and videos;
  • access to contacts and other content;
  • create a backup of iTunes.

How to Improve Computer Trust Notifications

In this section of the article, we will discuss various tricks to improve the work with the device trust function and to disable them and what to do if iPhone won’t trust computer.

Read more: How to Disable Automatic Syncing iTunes?

How to Make iPhone Trust Computer Again

If you have already connected your device to the computer and inadvertently clicked “Do not trust”, then all that needs to be done to call this message again is to reconnect the device and the Dialog box will pop up again.

Reset Warning Dialogs in iTunes

In the case of iTunes, you can turn off the trust notification by using the Reset All Dialog Box function. This is done quite simply:

  • Disconnect your device from the computer;
  • Open iTunes and open the Preferences section through the menu;
Why Does the Message “Trust This Computer?” Appear?
  • Next, find the tab “Advanced”;
  • Click “Reset warnings” box next to Reset all dialog warnings;
  • Click OK;
How to Trust Computer on iPhone?
  • Reconnect the device to the computer.


By the way, if you do not connect the device to a trusted computer for 6 months, the message may appear again. You see, modern gadgets have enough confidence for only half a year.

It’s the best time to ask questions and give us your feedback in comments.


Hi there! My Name is Vincent Lago! My goal is to share insightful reviews, guides, and manuals for people looking to know more about current solutions for Apple hardware and OS. I have years of technological background knowledge including owning a custom iMacs & PCs which was using for different types of business. And now, I want to share my experience with you.

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