Small Planet

Blog Post

How to Open an Enterprise-signed App on iOS 9

A quick solution to a small iOS 9 issue

Drew Cogbill

Drew is Executive Producer here at Small Planet. Follow him @drewcogbill.

If you’re using apps signed with an Enterprise profile (under the Apple Developer Enterprise Program), you may have noticed that when you try to open that app in iOS 9, you get a strange warning that says “Untrusted Enterprise Developer: [developer name] has not been trusted on this iPhone/iPad. Until this developer has been trusted, their enterprise apps will not be available for use.”

Enterprise error

The solution to this is a little hidden away, so here’s what you need to do to open the app:

1. Go to the iOS Settings App, and tap on the “General” tab:
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2. Scroll to the bottom and tap on “Profile” (or “Profiles”):
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3. Tap the name of the developer of your app (in this case, “Small Planet Digital, LLC”):
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4. Tap “Trust [developer name]”:
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5. Tap “Trust” in the dialog that pops up:
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6. When you see the sentence “Apps from developer [developer name] are trusted on this iPad and will be trusted until all apps from the developer are deleted,” you’ll know that you’re good to go.
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7. Head back to the Home Screen and open your app.