I have created have in react-native. I can run app in Xcode simulator successfully. But when I created ipa file and run in IOS device, it gives me error 'app cannot be installed because its integrity can not be verified'. Can anybody tell what is the issue ?
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4 Answers
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Please add Device UDID
to the App Store developer account. And also update provision profile that includes device UDID
and after that create new ipa using updated provision profiles.

Nisha Mistry
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Already I am having device UDID added still I am getting the same issue? What could be the possible reason for this? – Sharad S Katre Jul 24 '21 at 16:48
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I also suffered from this but found the correct solution. So the issue is When making a build either build it for production and upload it to the app store or build it using an ad-hoc
profile.
An ad-hoc
profile is an Internal testing profile that allows the app to be installed and used in certain specified iPhones using UIDs.

Suyash Vashishtha
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There could be multiple solutions:
- Restart your iOS device if you have recently updated iOS version and also restart the Xcode.
- Run your app in device and check the VPN & Device Management in Settings App -> General -> VPN & Device Management. It will asks for the certificate access.
- Check the Developer Mode is enabled on the device or not.
- Check Keychain if profiles & certificates are trusted.

Neeraj Joshi
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In my case the problem was in expired provisioning profile
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