Nemo

Okay so , i have been watching the youtube video about smartphones and there infrared fingerprints and it got me wondering . What if , i turn my phone off plug the adapter in the main could it be possible my phone sends out data trough the lightnet? Some people use those network over main type of repeaters if we are on the same cable could this be used to retrieve data from any phone? Even when it is off? I mean if i can think of this it's most likely already in place.