Start here
Common fixes
Restore a purchase: Open Progress → Complete prep → Plans and access, confirm network access, then select Restore purchases.
Microphone, speech, camera, or notifications: Continue with manual entry where offered, or enable the permission in iOS Settings.
Oral practice: If on-device speech recognition is unavailable, enter a transcript manually and compare the feedback with the cited FAA source.
Delete local study data: Open Progress → Complete prep → Privacy, support & trust → Delete all local study data and confirm.
Report a content issue
Email jhiggins@wallprotex.com with the question or figure identifier, its cited source and locator, the app version, and what appears incorrect. Do not send a full answer history, recording, scan, or other sensitive study data.