Improve location services: Settings > Location services > Turn on Wi-Fi and Bluetooth scanning.
Recalibrate location:
1. Open Google Maps.
2. Tap the blue dot showing your location.
3. Tap "Calibrate."
4. Follow the on-screen instructions.
5. If outside, point your phone's camera at signs or shopfronts.
6. If inside, use your phone's compass to identify your location.
7. Move your phone in a figure-eight pattern.
Other tips to improve location accuracy:
• Ensure your GPS-using apps are not in the sleeping apps list.
• Turn off power-saving mode.
• Update the app you are using.