Mobile gaming has reached such a level that modern Call of Duty Mobile or Genshin Impact require from a smartphone resources comparable to budget laptops of yesteryear. Often, users are faced with a situation where the hardware characteristics seem to allow them to run the game, but in practice they experience frame drops, case heating and sudden crashes.
The phone's hardware does not always work at full capacity due to limitations of the operating system Android, background processes and thermal throttling. To get the most out of an existing device, comprehensive optimization is necessary. These are not only software settings, but also physical cooling measures.
In this article, we will look at proven methods for increasing performance without the need to obtain root accesswhich can be dangerous for inexperienced users. You will learn how to redistribute system resources in favor of gaming applications and minimize the impact of unnecessary services.
Cleaning RAM and background processes
The easiest and most effective way to free up resources is to force stop unnecessary applications. The operating system Android tends to keep previously launched apps in RAM for quick re-launch, which is critical for heavy games.
Before starting the game session, go to Settings → Applications and view the list of running services. Pay special attention to social networks and instant messengers, which consume significant volume RAM even when minimized.
Do not blindly rely on the built-in “accelerators” from smartphone manufacturers. Often they only visually show cleaning, while in reality they free up a negligible amount of memory.
- 🧹 Close all tabs in the browser, since each tab is a separate process that takes up space in RAM.
- 📵 Disable cloud storage synchronization during the game to stop constant data recording.
- 🔋 Switch your phone to Do Not Disturb mode so that notifications do not interrupt the rendering of frames.
There is a nuance: it is better not to touch some system services. Forcibly stopping key processes Google Play Services can lead to unstable network operation within the game.
Use the “Clean memory” widget on the main screen only if it actually closes applications and does not just clear the cache.
⚠️ Attention: Do not install third-party “booster” applications from the Play Market. In 90% of cases, they themselves are parasitic processes that show ads and slow down the system even more.
Developer settings for maximum FPS
The hidden developer menu contains tools that allow you to directly influence the operation of the graphics accelerator and task scheduler. You can access it by repeatedly clicking on the build number in the section About phone.
Find the “Background processes limit” parameter and set the value to “No more than 2 processes” or “No background processes”. This will force the system to aggressively unload everything unnecessary from memory, giving priority to the active game window.
It is also worth paying attention to the animation settings. Although this does not affect the FPS of the game itself, it makes the interface faster when minimizing and maximizing applications, making the device feel more fluid.
| Option | Recommended value | Effect |
|---|---|---|
| Window animation | 0.5x or Disabled | Interface acceleration |
| Background processes | No more than 2 | Free up RAM |
| Do not turn off the screen | Enabled (while charging) | Darkening protection |
In some firmware there is an option “GPU acceleration” or “4x MSAA”. Enabling this feature can improve picture quality in games that use OpenGL ES 2.0, but at the cost of increased heat and battery consumption.
Managing energy saving and throttling
Modern processors Snapdragon, Dimensity i Exynos equipped with protection mechanisms from overheating. When the temperature of the crystal reaches a critical point, the system artificially lowers the clock frequency, which leads to lags.
To make the phone more powerful, you need to disable aggressive power saving. Go to the battery settings and select the "Performance" or "Gaming" mode. In this mode, restrictions on the processor frequency are removed.
If there is no such switch in the standard menu, you can use third-party utilities to monitor the temperature. Constant monitoring of heating will allow you to understand at what point throttling begins.
Sometimes turning off adaptive brightness helps. The light sensor may cause micro-stuttering when constantly polling the sensor, especially in dynamic scenes.
⚠️ Attention: Operating in maximum performance mode significantly reduces battery life due to high discharge currents and heat. Do not keep the phone in this mode all the time.
Optimizing storage and working with cache
Filled internal storage is one of the hidden reasons for poor performance. When the free space is less than 15%, the speed of writing and reading data drops, which affects the loading of textures in games.
Use the function Storage → Cleaning to delete temporary files. Pay special attention to the cache of instant messengers (Telegram, WhatsApp), which can occupy tens of gigabytes.
For owners of smartphones with flash memory type eMMC (budget models), it is critical to keep at least 5-7 GB free. Faster drives UFS 3.1 are less sensitive to filling, but still require space for wear leveling algorithms to work.
☑️ Memory optimization checklist
Don't forget about data fragmentation. Although it is less pronounced in Android than in older Windows, periodically rebooting the phone helps the system optimize the placement of files on the disk.
Third-party launchers and game modes
Many manufacturers are introducing their own gaming shells: Game Turbo from Xiaomi, Game Launcher from Samsung. These tools block notifications and redistribute CPU/GPU resources in favor of the game.
If your smartphone does not have a built-in game mode, you can install a third-party launcher with a minimalistic interface. Heavy wallpapers with live animation on the home screen consume GPU resources even in the background.
Disabling live wallpapers and weather widgets frees up CPU cycles that can be used to render game graphics. This is especially true for devices with a weak graphics core.
Secret code for the testing menu
On some devices with MediaTek processors, entering the code ##3646633## opens the engineering menu where you can manually configure processor operation profiles. Be careful: incorrect settings may lead to overheating.
Check your screen resolution settings in game mode. Reducing the rendering resolution within the settings of the game itself often gives a greater increase in FPS than any system tweaks.
Physical cooling as an overclocking method
Software methods have a limit: physics cannot be fooled. If the phone is hot, it will slow down. Using an external cooler for a smartphone is the most effective way to maintain high processor frequencies for a long time.
Passive cooling (metal radiators attached to the back cover) works worse than active cooling (fans with a Peltier element). The active cooler is capable of removing up to 10-15 W of heat, preventing frequency drop.
Remove the case while playing. Dense silicone or leather creates the effect of a thermos, preventing heat from dissipating into the environment.
- ❄️ Use coolers with a Peltier element for extreme cooling in the summer.
- 🌬️ Direct the air flow from a regular fan to the back cover of the smartphone.
- 🧊 Avoid playing in direct sunlight, even with a cooler.
⚠️ Attention: Do not put your phone in the refrigerator or freezer for quick cooling! A sudden temperature change will cause condensation inside the case, which will lead to a short circuit and damage to the board.
Updating software and resetting settings
Sometimes the reason for lags lies in errors in the current firmware version. Manufacturers regularly release updates that optimize the operation of graphics accelerator drivers Adreno or Mali.
Check for updates in the Settings → About phone → System updatesection. If the phone is old and official updates have stopped, you can consider installing custom firmware, but this requires in-depth knowledge.
A radical but effective method is a full reset to factory settings (Factory Reset). Over time, the system accumulates “garbage” from deleted applications and conflicting configuration files.
Settings → System → Reset → Delete all dataBefore resetting, be sure to back up your important data. After a clean installation of the system, the phone often works noticeably faster, since all background services installed by the user are removed.
An integrated approach (cooling + memory cleaning + developer settings) gives a total effect that exceeds the simple action of one of the methods.
Frequently asked questions (FAQ)
Will overclocking the processor via Root help make games smoother?
Theoretically yes, but in practice it rarely makes sense. Modern processors themselves dynamically increase frequencies under load. Forced overclocking through the core often leads to instant throttling due to overheating and unstable system operation.
Is it true that airplane mode speeds up games?
Partly true. Disabling radio modules (Wi-Fi, Bluetooth, 4G) reduces the load on the processor and slightly reduces heating. However, if the game requires an online connection, this method is not applicable. For offline games, this is a working way to save resources.
Is it worth deleting system applications (Bloatware) to speed up?
Removing pre-installed software can free up storage space, but rarely affects FPS in games. System applications usually do not actively run in the background. You risk disrupting the system by removing an important component.
Does memory fullness affect the loading speed of levels?
Yes, directly. If free space is less than 10%, cache write speed drops. This manifests itself in long loading times for locations and “freezes” when new objects appear on the screen.
Which cooler for a phone is better to choose?
For serious games (PUBG, Genshin) it is better to take an active cooler with a Peltier element and its own battery. Passive metal pads help only slightly and only in a cool room.