Signal App Android. You can view the signal strength (rssi) to get an idea of how close you are to the peripheral. On the old phone, enable a backup within signal on the phone that has your signal message history.
Notifications for reactions will only appear if you choose to display name and message in the notification. Most users should not do this under normal circumstances. To load maps, or share in other apps or social media, you need a data connection.
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The gold standard of mobile encryption. Its better to have wifi signal strength above 60%. A custom timeout is set so that the user can remove the signal from his / her end. Advanced users with special needs can download the signal apk directly.