Google might soon add an Intrusion Logging feature on Android to make the software or the system much more privacy-friendly.
On top of insisting on physical meetups, one of the first things you should do is to perform an IMEI check. You simply dial *#06# on the phone you plan to buy (or scroll through the About Phone ...
To get started, open the Settings app and head to Connections > Wi-Fi. Make sure your phone is connected to a Wi-Fi network, ...