I tweak my phone. Try to change your location's settings to "High Accuracy" and use GPS Reset in Play Store
What is your network provider? I'm a TM user last last week, but I change to Globe so that my GPS signal improve. Ganto pag nasa loob ako ng office namin (19th floor) binubuksan ko ung wifi, mobile network at GPS signal para lang ma pin point ung mismong location ko. Pag Mobile + GPS lang di na gana masyado ung "High Accuracy" sa settings.
Open Google Maps muna then PoGo pag di gumana yan sinasabi ko sa top. or GPS Reset muna. ganyan ginagawa ko e. open and close apps din pag di nakaka locate. Di din on-point masyado ung GPS ng Flare S4 Max and Zenfone 5 ko sa loob ng bahay. need ko pa gawin yan mga sinabi ko sa taas. haha I hope maka tulong sayo to. Good luck, fellow Pokemon trainer. ;)
> But it's always GPS signal not found.
Nasa loob ka ba ng bahay? Pero pag nasa labas ka naman, nakakalaro ka ba?