Overheating/Thermal Throttling: The most frequent cause. When your phone gets too hot, it intentionally slows down the processor (throttling) to protect the hardware, which causes massive FPS drops.
Aggressive Graphics Settings: Your in-game graphics settings are too high for your device's hardware (processor, RAM, and GPU) to consistently handle.
Background Apps and Processes: Too many apps running in the background are consuming RAM and CPU resources that BGMI needs.
Low Storage Space: Insufficient free storage space (less than 5-6GB free is often cited) can slow down the overall system performance.
Internet/Network Issues: While it mainly causes high ping (lag), an unstable connection can sometimes lead to stuttering and perceived FPS drops.
Outdated Software/Game: Bugs or lack of optimization in an older version of the game or your phone's operating system.
Steps to Fix FPS Drops
Optimize In-Game Graphics Settings
This is the most effective first step, especially for non-flagship devices.
- Go to Settings $\rightarrow$ Graphics in BGMI.
- Graphics: Set to Smooth or Balanced. Start with Smooth.
- Frame Rate: Set to the highest available option (e.g., Extreme, Ultra, or High). Prioritize a high frame rate over high graphics.
- Style: Choose Classic or Colorful (avoid Realistic).
- Anti-Aliasing: Disable or Close it.
- Shadows: Disable them.
- Auto-Adjust Graphics: Turn Off this feature.
Manage Device Performance & Temperature
Close Background Apps: Before starting BGMI, manually close all other unnecessary apps running in the background.
Check for Software/Game Updates: Ensure both your phone's Operating System (Android/iOS) and the BGMI app are updated to the latest versions.
Enable Game/Performance Mode: Many phones have a dedicated 'Game Mode' or 'High Performance Mode' in settings that prioritizes the game.
Clear BGMI Cache: Go to your phone's Settings $\rightarrow$ Apps $\rightarrow$ BGMI $\rightarrow$ Storage and select Clear Cache (not Clear Data, as that deletes your progress/settings).
Free up Storage: Try to maintain at least 5-6GB of free storage space on your phone.
Control Overheating
Overheating is a major FPS killer.
- Remove the Phone Case: If you have a bulky case, take it off while gaming to help dissipate heat.
- Use a Cooler Environment: Play in a cool room, or use a mobile phone cooling fan/pad.
- Avoid Charging While Playing: Charging generates heat, and playing a demanding game at the same time can cause severe overheating and throttling.