Android SMS New SMS received matches search. VoIP Calls Call my device. Android Device Set ringtone volume.

Text your lost phone, set it's volume to 100% and VoIP call it.

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When someone sends you a text with the word 'findphone', it sets the ringtone volume to 100% and sends a VoIP call. If someone has your phone, it prompts them to call the number that sent the text saying they found it.