If the HTC Restore app is not installed on the phone, you'll be prompted to download and install HTC Restore.
Free apps from
Google Play will be restored in the background, and you can track the progress via a notification in the status bar. To restore paid apps, you need to download and install them from
Your apps will appear on the
Apps screen as they are installed. The
Apps and Home screen shortcuts will be reorganized as in your backup after all of your apps have been installed. You can continue using
HTC One A9 while apps are being restored.