How to fix 'GPS signal not found' on Pokemon Go?

I already turn on the gps but the game appear error message "GPS signal not found".
How to fix "GPS signal not found" on Pokemon Go?
Please help me

[bulbasaurlife]

THANK THANK THANK U FINALLY SOMEONE COULD HELP ME THANK U SO MUCH I WILL TELL ALL MY FRINDS ABOUT U AND SUB AND LIKE THX THX THX

[NiaRYourOnlyOne]

please help me!! my android says AR can't be found

[zeeshanbaig]

Update your Google maps and navigation!! Hope it works then.

[porzuconykana]

SetUP google maps me helped or enable dev options by going into settings about phone/tablet then tap 10 times on bulid VERSION it will maybe work

[nekoenix]

1. Try have google maps in the background, after start game

[RandomGuy-qwdm]

gps Works but my character wont change direction or move

[nekoenix]

2. There's a lot of videos how to fix