sorry for my bad english but i\'m italian.
I have to release an app that will work on only a few devices. What should I do when the provisioning profile expires? Will th
No the app will not work after the mobileprovision expiration date. You need to renew your mobile provision, build again and sign the app with new certificate and resent to users the new mobile provision file and the new app.
Edit: You can submit for an enterprise account an you will not have this issue again.