三種設備下載離線地圖的方法

iOS, Android

https://www.cnet.com/how-to/how-to-use-google-maps-offline-on-ios-android/

Windows:

https://www.pcworld.com/article/3040628/windows/how-to-download-local-maps-for-offline-use-in-windows-10.html

 

既然所有設備都能自己下載，為何要用SD卡呢？

Google 地圖好像沒有PC的離線地圖

https://productforums.google.com/forum/#!topic/maps/WuOtsDLO_QA