> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://docs.groupalarm.com/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# Android: FAQ

# Android: Answers to the most frequently asked questions

* [Unreliable alerting](/en/article/android-unreliable-alarm-1wyaxa3/)

* [No notification on alarm](/en/article/android-no-notification-piyv72/)

* [A new smartphone needs to be connected](/en/article/disconnect-and-reconnect-a-device-io4h0v/)

* [Unexpectedly logging out of the app](/en/article/the-app-logged-me-out-without-asking-132iwy2/)

* [Missing arrival time at organization's location](/en/article/arrival-time-at-the-organization-location-is-not-displayed-13ud0w6/)

* [No messages in messenger](/en/article/i-do-not-receive-any-messages-in-groupalarm-messenger-1swe16g/)

* [Unreliable Messenger on multiple smartphones](/en/article/messenger-on-multiple-devices-1jb3fny/)

* [Select alarm tone yourself](/en/article/android-set-alarm-tone-8mwknh/)

* [Disable vibration](/en/article/android-adjust-vibration-settings-1b1b01y/)

* [Using overlays](/en/article/enable-overlay-17faleb/)

* [Testing Notification Settings](/en/article/test-notification-settings-1wpa89r/)

* [Notification Problems with Specific Smartphone Manufacturers](/en/article/android-manufacturer-specific-problems-1vxu5h8/)