Hi @Lucky_luke here is an Android troubleshooting guide, https://support.google.com/android/answer/9769184?hl=en-GB I wonder if that can help?
Bluetooth often crops up as problematic, you might search our Gitlab issues: https://gitlab.e.foundation/e/backlog/-/issues?scope=all&state=all&search=Bluetooth, many fewer issues are actually recorded against GS290 https://gitlab.e.foundation/e/backlog/-/issues?scope=all&state=all&label_name[]=GS290&search=Bluetooth