Easy solutions to fix OPPO A15S running slowly troubles. This phone work with Mediatek processor MT6765 Helio P35 that has standard speed for running applications. After use this phone for several months, many users get lagging problems, especially when we open some applications or navigation get very slow to response. What should we do? Please read some information about how to make OPPO A15S run more faster.


Why OPPO A15S Performance Become Slow and Not Responsive ?

With Mediatek MT6765 Helio P35 processor, this phone can not work for heavy applications without delay. Because the processor performance is not too big. However, it has Octa-core CPU that work with two segments. First for heavy apps will use quad core 2.35 GHz Cortex-A53. If battery efficiency, it will use quad core 1.8 GHz Cortex-A53 when running for simple applications such as reading news at Internet browser. Please note, if many apps run together, then this phone will run more slower performance.

OPPO A15S mediatek processor

Every running applications will consume some RAM to make multitasking experience work better. This phone has 4 GB RAM for multitasking. If we open too many applications together, then RAM will be insufficient, and this phone will try to look for idle applications for force close to give more RAM resources. When this process happen, OPPO A15S will freezing for a while. Therefore we suggest to stop 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 a15s

It is important to free up some internal storage capacity on OPPO A15S, because beside RAM, if the internal storage is full, then the performance of OPPO A15S also will be reduced or become slowly.

Some issue of OPPO A15S lag happen because of applications. But we also find some OPPO A15S become lagging because the usage of non original firmware or custom rom.


Why OPPO A15S Lagging or Slowly When Playing Some Games ?

This phone does not have high-end GPU. It is use PowerVR GE8320 that comes together with Mediatek MT6765 Helio P35. There are some simple games that we can play with this GPU but can not work with heavy HD games. However, usually slowly or lagging gaming also happen because insufficient RAM. Please try to soft reset our OPPO A15S before playing heavy gaming for clean all previous applications temporary files and caches.


How to Boost Speed Performance of OPPO A15S 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 A15S 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 A15S. 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 A15S. 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 A15S 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.