OnePlus has been caught manhandling user data again, with a OnePlus 3T user on the OnePlus forums showing proof of his clipboard app sending data to an Alibaba-controlled server.
https://www.notebookcheck.net/OnePlus-caught-swiping-user-data-again-only-this-time-also-sending-it-to-China-controlled-servers.277702.0.html
If you install a firewall, you see your android phone contacting Google every minute of the day. Those are "US controlled" servers. What's the difference?