How to “UnTrust” All Computers from iPhone and iPad

Not using particular computer to sync your iPhone/iPad? You can easily Untrust all computers on iPhone and iPad, here is more information;

You must be familiar with the pop-ups “Trust this Computer?” with “trust” and “don’t trust” options, while connecting an iPhone, iPad or iPod touch. If you choose to tap on “Trust”, it will allow the computer access to the device.

Now, given how easy it is to accidentally tap on “Don’t Trust” which can be reversed, it’s a little frustrating that there isn’t an obvious way to “UnTrust” a computer that you accidentally trusted from the iPhone or iPad too, right? Well, it turns out you can undo the “Trust” selection when an iOS device is connected to a computer.

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However, following this setting you’ll end up resetting the “Trust this computer?” alert on the specific iOS device for all computers it has connected to. Every time you connect the iPhone, iPad, or iPod touch to any computer, this simply results in the familiar “trust” or “don’t trust” choice again, even if you trusted that computer a long time ago.

This is not much of a bother but it is worth pointing out. Additionally, one will reset all other privacy and location settings customized on the device, so be ready to make some customization again to those settings.

How to Reset the “Trust This Computer” Alert and UnTrust All Computers from iPhone and iPad

 Step #1. Tap on Settings on the iPhone/iPad → Tap on General.

Tap on Settings Then General on iDevices

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Step #2. Scroll down and tap on “Reset” →  Tap on “Reset Location & Privacy,”, enter the device’s passcode, and confirm that you wish to reset all location and privacy settings on the iOS device.

Reset Location & Privacy on iPhone

Confirm Reset Privacy and Location on iPhone

To trigger the “Trust This Computer” alert on the iOS device again with a computer, you can simply plug it back into a Mac or Windows PC with a USB connection and you’ll see the familiar alert screen popping up again, allowing you to select either choice.

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In case you have accidentally clicked “Don’t Trust” on iPhone/iPad; here is how to undo it. And if you keep receiving such message again and again, here is a fix.

Now you can always choose to make a “mistake” ;) and still secure your data.

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Jignesh Padhiyar
Jignesh Padhiyar is the co-founder of who has a keen eye for news, rumors and all the unusual stuff that happens around Apple products. During his tight schedule, Jignesh finds some moments of respite to share side-splitting contents on social media.
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