In phone settings > Wireless & Networks > More > Tethering & portable hotspot
add a tick box auto add “_optout_nomap” on SSID to improve privacy. ( ex: SSID_optout_nomap )
Google’s Location services Opt-Out ( _nomap )
https://support.google.com/maps/answer/1725632
Mozilla Location services Opt-Out ( _nomap )
https://location.services.mozilla.com/optout
Microsoft Wifi Sense Opt-Out
( Microsoft requires you to include “_optout” somewhere in your SSID )
https://social.technet.microsoft.com/wiki/contents/articles/32109.disabling-wifi-sense-by-gui-and-gpo-script.aspx
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