Easy solutions to fix OPPO K9 running slowly troubles. This phone is powered by Qualcomm mid-end processor with 6.43 inches LCD screen. When we open this phone from the box, everything can run smooth. But after use it for several months, then many users get lagging issues with OPPO K9. What should we do? Please read some information about how to make OPPO K9 run more faster.


Why OPPO K9 Performance Become Slow and Not Responsive ?

OPPO K9 is release for anyone who like to have mid-end smartphone with cheaper price. The processor use 64 bit Qualcomm SM7250-AC Snapdragon 768G 5G that fit for our work activity and entertainment. It has Accelerate AI Engine with Qualcomm® Hexagon 770 Processor and also truly work with global 5G broadband connections. This processor has triple threat with total Octa-core CPU.

The first threat work with high speed 2.8 GHz Kryo 475 Prime, the second threat work with single core 2.4 GHz Kryo 475 Gold, and the last threat work with low power hexa core 1.8 GHz Kryo 475 Silver.

OPPO K9 Processor For Faster Performance


With this processor, most apps and games can run fast. But we have to know, if we install too many applications, then some apps will work in the background and foreground. They will consume processor and 8 GB RAM resources then will become not enough. What will happen next? This phone will try to look for idle applications for force close to give more RAM resources. When this process happen, OPPO K9 will freezing for a while. Please do not install or run too many applications together.

In many case, the lagging troubles will happen when 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.

how to fix lagging problems on oppo k9

It is important to free up some internal storage capacity on OPPO K9, because beside RAM, if the internal storage is full, then the performance of OPPO K9 also will be reduced or become slowly.

Some issue of OPPO K9 lag happen because of applications. But we also find some OPPO K9 become lagging because the usage of non original firmware or custom rom.


Why OPPO K9 Lagging or Slowly When Playing Some Games ?

This phone is powered by Qualcomm SM7250-AC Snapdragon 768G 5G processor with Adreno 620 GPU for graphic rendering. We can run many games without troubles. However, usually slowly or lagging gaming also happen because insufficient RAM. Please try to soft reset our OPPO K9 before playing heavy gaming for clean all previous applications temporary files and caches.



How to Boost Speed Performance of OPPO K9 And Make It Run More Faster?

  1. 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.
  2. Please uninstall all not use applications. We can try to find from menu Setting > App Management > App list, and choose/select any applications that we do not use anymore, then choose Uninstall
  3. Some factory default applications do not have Uninstall button options, but we can disable that Apps on OPPO K9 with: Settings > Additional Settings > Developers Options (must activate first) > Disabled Apps, and choose/select which applications that we want to disable. This steps also can reduce the usage of RAM and processor resources.
  4. Please periodically run optimization applications on OPPO K9. Open Security Center apps (or Phone Manager on some version) > Clean & accelerate or choose Full clean up. This steps will remove any not use files inside OPPO K9. We can continues use this menu for scan for further optimization.
  5. If all solutions still not improve the performance, then please consider to do hard reset to factory default. Follow steps at OPPO K9 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.