How To Make XIAOMI MI 9 Run Faster and More Responsive (Fix Slow Performance)?

Easy solutions for fix XIAOMI MI 9 slowly troubles. Some users get lag issues with this phone. Actually this is high end smartphone which is powered by Qualcomm SM8150 Snapdragon 855 processor. It is also can work fast for any gaming apps because it use dedicated graphic processor unit Adreno 640. Android Pie 9.0 is factory default OS with MIUI 12, but all users get Android 10 upgrade for better experience. However, after upgrade process, many users get lagging issues XIAOMI MI 9. It is become slowly with more lagging problems for run any activity. What should we do? Please read some information about how to make XIAOMI MI 9 run more faster.

Why XIAOMI MI 9 Performance Become Slow and Not Responsive ?

As flagship smartphone, we can run any applications without troubles because it use 64 bit processor Qualcomm SM8150 Snapdragon 855 with Qualcomm Kryo 485 CPU, Octa-core CPU, great AI Engine with hexagon processor Vector eXtensions (HVX), All-Ways Aware technology, 5G connection and some other support performance. Therefore, this phone will pass all speed performance for any applications. This phone also has big RAM with 6 GB or 8 GB.

However, although we have great processor performance and big RAM, if we open too many multitasking apps, then RAM will be insufficient. At this moment XIAOMI MI 9 will try to find which the oldest not use application, and try to force close to give more RAM resources. When this process happen, this phone will freezing for a while. Please do not install or run too many applications together.

In many case, the slowly troubles will be happen if we run too many applications together. It will consume more RAM and processor resources. Therefore we suggest to uninstall some not use applications if we do not really use that apps. Some of them will run in the background to wait data update and consume more RAM. Remove some applications will help this phone to run more faster.

XIAOMI MI 9 will use RAM for run any applications. Beside RAM, we also have to know how many internal storage free capacity left, because if the internal storage is full, then the performance of XIAOMI MI 9 also will be reduced or become slowly.

Some issue of XIAOMI MI 9 lag happen because of applications. But we also find some XIAOMI MI 9 become lagging because the usage of non original firmware or custom rom.

Why XIAOMI MI 9 Lagging or Slowly When Playing Some Games ?

The most important things to playing games are Processor, GPU and RAM. This phone has flagship high-end Processor Qualcomm SM8150 Snapdragon 855 and GPU with Adreno 640. All games and applications should not get any issues when running at this phone. However, usually slowly or lagging gaming also happen because insufficient RAM. Please try to soft reset our XIAOMI MI 9 before playing heavy gaming for clean all previous applications temporary files and caches.

How to Boost Speed Performance of XIAOMI MI 9 And Make It Run More Faster?

First steps that you should do is doing soft reset or reboot to remove temporary files and caches. Usually after our phone finish reboot, then the speed performance might become faster.
Please uninstall all not use applications. We can try to find from menu Setting > Apps, and choose not active applications, then choose Uninstall
Some factory default applications do not have Uninstall button options, but we can disable by choose Disable button at menu Setting > Apps > Disable at our phone. This steps also can reduce the usage of RAM and processor resources.
If all solutions still not improve the performance, then please consider to do hard reset to factory default. Follow steps at XIAOMI MI 9 Hard Reset / Reformat page using hardware button combination Key.

Please note, some menu options will be different because firmware update or some other possibilities. Please use comment options bellow for other question to discuss.