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Mechanism for delivering unlock messages to device?
Ran into a strange experience with my child's android phone, and I'm trying to track down the cause.
issue: my unlocking his device doesn't unlock it.
mitigating factor: we have previously removed data usage from his line of service. When he is at home, he's able to connect his phone to WiFi to send/receive data. However, if he is not connected to WiFi, there's no way for his phone to receive unlock notices from me.
Question: is the mechanism used to send commands to the phone via internet protocol (https, tcp, udp, something requiring TCP/IP connectivity)? If so, that means I'll have to unlock his cellular data to remove the lock.