“The invitation has already been redeemed” in TestFlight…

Recently, a common issue has been reported by users attempting to redeem invitations in TestFlight. The error message "The invitation has already been redeemed" has been causing frustration among developers. Many individuals have encountered this problem over the years, with some still struggling to find a resolution even today.

Users facing this issue are advised to follow a few potential solutions to overcome the problem:

1. Request a new invite from the developer: If you receive the error message, reach out to the developer and ask for a new invitation link.
2. Remove and re-add the user: Some users have found success by removing the user from TestFlight and then re-adding them to the platform.
3. Change clock settings: A small number of users have reported that changing the clock settings from 24 hours to 12 hours on iPhone settings helped resolve the issue.
4. Remove yourself as a developer tester: Ensure that you remove yourself as a developer from both internal and external TestFlight testing groups.
5. Delete the existing invite and request a new one: Some users have had success by deleting the original invite and requesting a fresh one from the developer.
6. Use only the email associated with your Apple ID: Make sure that you are using the email address linked to your Apple ID and that the ID is not being used on multiple devices simultaneously.

These tips aim to provide workarounds for the persistent issue that has been plaguing TestFlight users. It is essential to pay attention to the guidelines provided by TestFlight and reach out to developers for assistance if needed.

If you have encountered and successfully resolved the "The invitation has already been redeemed" error in TestFlight, feel free to share your solutions in the comments to help others facing a similar predicament. The ongoing challenge with redeeming TestFlight invitations underscores the importance of addressing technical issues promptly to ensure a seamless user experience.