Please follow these steps to troubleshoot the app on an Android phone:
1. Delete the Allurion app from your phone
2. Restart your phone
3. Reinstall the app
4. Open phone settings > Apps > Allurion App > Storage > Clear Storage or Cache
5. Open the app and tap "sign in using an existing account".
***Please note, you will not lose any of your data if you delete the app as it is saved to your User Account. Once you log into your account, the previous data will populate.