iOS9 Untrusted Enterprise Developer with no option to trust

This is not a duplicate of Untrusted App Developer. Since iOS9 there is no option to trust an enterprise build. Has anyone found a workaround?

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How do I force an app to trust on iPhone?

Tap Settings > General > Profiles or Profiles & Device Management. Under the "Enterprise App" heading, you see a profile for the developer. Tap the name of the developer profile under the Enterprise App heading to establish trust for this developer. Then you see a prompt to confirm your choice.

In iOS 9.1 and lower, go to Settings - General - Profiles - tap on your Profile - tap on Trust button.

In iOS 9.2+ & iOS 11+ go to: Settings - General - Profiles & Device Management - tap on your Profile - tap on Trust button.

In iOS 10+, go to: Settings - General - Device Management - tap on your Profile - tap on Trust button.