There was a class action lawsuit over the preinstalled carrier iq agent that did this: https://en.wikipedia.org/wiki/Carrier_IQ https://en.wikipedia.org/wiki/Ca

There was a class action lawsuit over the preinstalled carrier iq agent that did this: https://en.wikipedia.org/wiki/Carrier_IQ https://en.wikipedia.org/wiki/Carrier_IQ If you have a clean android phone I suspect there no monitoring going on. For example if you use a community built mod or build AOSP yourself.