Hi, I've finally found the solution : The UDID wasn't selected for the provisionning profile. I should have select it and regenerate the provisionning profile. Thanks to https://fr.imyfone.com/iphone-issues/this-app-cannot-be-installed-because-its-integrity/ Best regards

Thanks for you reply. I don't ave any .xcodeproj in the zip file. Almost all files are .bil. I first thought that it was b4i project but there is none .b4i files either. I don't know how to open .bil files. Several people told me our service provider didn't give us the real sources.