Upon connecting an iPhone, iPod touch or iPad to iTunes through USB for the first time, a prompt pops up asking you to confirm access to the iOS device. The same prompt appears when another device is attempting to access the files of your iOS device for the first time.
But what if you accidentally trusted a computer? Is there an easy way to untrust it? Prior to iOS 8, you needed to reset an iOS device to its factory settings in order to remove all trusted connections.
But there is a more elegant way of doing this on iOS 8 and iOS 9. In this tutorial, we’re going to cover untrusting computers and devices you trusted from your iPhone or iPad.
What’s a trusted device?
A trusted device can access the files and settings of your iOS device, import photos, access movies and videos, contacts and other items. The data stored on your iOS device isn’t exposed before you enter your passcode, if any, and choose to trust the connected computer or device.
If you choose not to trust the connected computer you will still be able to charge your device through a USB cable but the computer won’t be permitted to access any content on your iPhone or iPad.
Things to know before untrusting devices
The below method of untrusting devices will reset all location and privacy settings on your iPhone, iPod touch or iPad so you’ll need to recreate them afterwards. Though a tad clunky, this workaround is more user-friendly versus resetting the entire device to its factory settings like on iOS editions prior to iOS 8.
Another small catch: untrusting a computer from your iOS device will also reset the Trust This Computer alert on that device for all computers it has connected to.
Now, let’s get to it.
How to untrust your computer from iPhone and iPad
Step 1: Open Settings on your iPhone, iPod touch or iPad.
Step 2: Navigate to the General > Reset section.
Step 3: Now tap on the Reset Location & Privacy option. You will be asked to enter your device’s passcode, if you have set it up.
Step 4: Confirm that you wish to reset all location and privacy settings on your device.
Step 5: Close the Settings when complete.
Tip: Now’s a good time to recreate your location and privacy customizations. Just visit the Privacy section within the Settings app to customize location and privacy settings to what you had prior to the reset.
Now when you connect your iPhone, iPod touch or iPad to iTunes with a USB connection, the familiar dialog box with Trust and Don’t Trust options will appear on the screen of your iOS device.
Hit Trust to give iTunes access to your iOS device.
If you tap on Don’t Trust, you’ll see this alert each time you connect your device to that computer. If your iOS device is passcode locked, you need to unlock it before you’ll see the alert.
If you’re about to sync the device with iTunes, click Accept.
Another method of untrusting computers from iOS devices
If you don’t like the idea of reseting your privacy and location settings just to break all trusted connections, you can just as easily untrust all computers by reseting your network settings.
Simply navigate to Settings > General > Reset on your iOS device and tap on Reset Network Settings. This will also reset your network settings and saved Wi-Fi passwords so you’ll need to recreate these items at a later stage.
Tip: Wiping you device clean also untrusts all connected computers.
When to untrust a computer
Some of the situations that might warrant untrusting a Mac or Windows PC from your iPhone, iPod touch or iPad include:
- You accidentally trusted a computer: If you accidentally trusted a computer, untrust it using the above tricks.
- You trusted a friend’s computer: If I’m transferring a friend’s media over to my 128GB iPhone 6 Plus and the file is too big, I resort to syncing with their iTunes. After that, I untrust a friend’s computer from my iPhone.
These are just two common examples when untrusting computers may be necessary.
Each users has his or her own needs and specific ways of doing things so you might want to untrust all computers from your iOS devices for reasons not stated above.