Install and Update

In case of installing or updating problems, try deleting and reinstalling the app on your smartphone again.
If you have Android, clear the Google Play cache, close and reopen Google Play, use the search, find Trace and download the app.
If that doesn't help, wait and try again later.
Thank you for your understanding, we appreciate your patience!
This document is not final. We reserve the right will be updated this document from time to time.