I am using Unity's Starter asset third person controller. In one scene, I have only the ground and third person controller (without geometry), but the game is still running on 20 FPS in my mobile. My mobile has good RAM and memory. I could not find the issue why it is taking time in vsync and rendering. The game scene contains only 11 draw calls and 2.1k triangles. And it looks good in Frame debugger also. I tested with both "Don't Sync" and "Every V blank" options in VSync count. But still I could not get 30 FPS in my mobile. I understand performance optimization is a broad topic and the cause might be anything depends on the project. I checked Unity documentation and tried to debug using Profiler. But I could not find anything. Any help would be really appreciated. Additional notes: I created the game using 3D mobile template with Built-in Render Pipeline using Unity HUB with Editor Version 2023.1.18f1. Adaptive Performance not installed.