Summary: Application Verification Failure error, which is usually caused by misconfigured code signing.



Solution: Make sure you are performing all these checks:

1. If the developer provisioning profiles has all test devices added.


2. Updated developer provisioning profile is uploaded to quark Appstudio portal.


3. Re-buiild app and then download test app on test devices only.


4. Test device has sufficient storage space available.

Please Refer:

https://developer.apple.com/library/ios/technotes/tn2319/_index.html#//apple_ref/doc/uid/DTS40013778-CH1-TPRO