When you install an App from the developer like Panda Helper on your iOS device, Apple will ask you to verify the developer certificate. You must verify these certificates to continue using such Apps.
If you are prompted to verify the enterprise certificate when installing the Panda Helper App or installing other Apps from Panda Helper, follow these steps:
For iOS 15 and Above Users:
In [Settings] - [General] - [VPN & Device Management] -> find the ENTERPRISE APP -> click Verify.
For iOS 14 and Below Users:
Enter [Settings] -> [General] -> [Profiles] -> find the ENTERPRISE APP -> click Verify.
After verification is complete, go back to the desktop to open the App.
If you cannot Verify the enterprise certificate according to the above tutorial, please contact the Panda Helper customer service email.