OTA server link throws "This Connection is Not Private" in iOS 15 Beta6

While trying to instal app via OTA , we are getting "This Connection is Not Private" in iOS 15 Beta6

The same OTA server link which is secured and has valid certificate working in iOS 15 Beta 5 and iOS 14

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Issue resolved by resetting OS to 14.7.1 and installing again Beta 7 directly. Reported issue occurred with upgrade of OS from 14.7->Beta 4->Beta5->Beta6->Beta7

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Issue resolved by resetting OS to 14.7.1 and installing again Beta 7 directly. Reported issue occurred with upgrade of OS from 14.7->Beta 4->Beta5->Beta6->Beta7

Got the issue when upgrading from 14.8 to 15.0 public release also.

Removing and installing again one of SSO certificate fixed this.