Android: Go to https://play.google.com/apps/testing/com.wire and follow the prompts.
iOS: Please contact us with your AppleID. We will share your email with Apple on iTunes Connect. You will receive an invitation email from Apple, and can then download the TestFlight beta version of Wire.
Once registered as a beta tester, please report all feedback - including issues, bugs, and requests - on Github:
By joining the beta programs, you will benefit from early access to new features and can help us identify and solve issues. Please be aware that beta software is not always as stable as production software. Using beta software is somewhat more risky as it may contain untested code.