The Cell Coverage Layers are a great way to prepare for a safe trip off the grid and see where you may need to download an offline map. To get started, tap the Layers Menu button:
Next, tap on the Cell Coverage section of the layers menu:
Next, choose your carrier:
After you toggle on your desired carrier, close the drawer and head back to the map to see shaded areas indicating coverage and unshaded areas representing poor or no coverage:
