Why does my phone get hot when using Google Maps?

Your phone gets hot in Google Maps because navigation pushes several parts hard at the same time: GPS, screen brightness, mobile data, and the processor. If you’re driving, it gets even worse when the phone is in direct sunlight or charging, since heat builds up fast.

Main causes

• GPS stays on constantly to track your location.
• Screen brightness stays high so the map is readable.
• Data use increases for traffic, map tiles, and route updates.
• CPU/GPU work harder to keep the map and directions updated.
• Sunlight + charging + navigation can create a heat spike.

Ways to keep it cooler

• Use an air vent mount.
• Download offline maps before you go.
• Stick to 2D map view instead of satellite/3D.
• Avoid fast-charging in the sun.
• Use dark mode, especially on OLED phones.

If the phone gets very hot, it may slow down on purpose to protect itself.