How can we help?
Support for the Silent Speech private early-access study.
Early-access help
Email support@dafdef.com. Include your app build, iPhone model, the stage where the issue occurred, and the on-screen request ID if one appeared.
Do not email camera recordings, access tokens, API keys, invitation codes, or private chat content.
Privacy and data requests
Use the export and deletion controls inside the app or email privacy@dafdef.com. If you cannot open the app, see the deletion instructions.
Urgent communication
Silent Speech is not an emergency or safety-critical communication service. Use an established emergency channel when urgent help is needed.