This article has the steps and resources for enabling location services on devices.
For the Android Technician App:
Swipe down from the top of the screen.
Touch and hold Location. If you don't see Location tap Edit (Pencil icon) or Settings (Cogwheel). Drag Location into your Quick Settings.
To turn your phone’s location accuracy on:
Swipe down from the top of the screen.
Touch and hold Location.
Tap Advanced Google > Location Accuracy.
Turn Improve Location Accuracy on or off.
For Google Chrome:
Click here for a help article from Google that goes over the steps for Android, iOS and Desktop.
For Microsoft Edge:
On iOS: Open iPhone Edge go to Settings > Accessibility > System accessibility settings > Location select While Using the App to allow location access.
On Android: Open Edge, go to Settings > Privacy and Security > Site Permissions > Location, and then toggle the "Location" setting to "Allow".
For Safari:
Go to Settings > Privacy & Security > Location Services turn location sharing on or off.