Signer not valid error

Question

I\'ve created an ad hoc build of my app and would like another person to install it. I have their device ID (two actually) in the provisioning profile. My certificate is t

Answer 1

I got this error by doing something dumber than anyone else has posted. I added new devices to the profile, but forgot to download the updated version, add it to Xcode, and point the project to it. When I set it up properly, testers were able to install the app fine.