It's even more annoying when you go to mainland China with your western Android phone. They determine internet connection by trying to connect to Google service

It's even more annoying when you go to mainland China with your western Android phone. They determine internet connection by trying to connect to Google services. If you connect to a local WiFi, of course it won't go through the Great Firewall, and every single time will prompt you asking if you want to keep the internet-less connection.