You will want to download offline maps for use when you do not have cell phone service. This could be because you are out of the area, or because you are on a phone call and can not access the internet.
Download Google Maps For Offline Use
GPS & Wisdom Not Mapping & Chat – Android Fix
Tired of getting the message that says “You do not seem to be mapping. Please restart app/phone”? Try this fix.
Should also fix chat messages from lagging behind.
