Easy solutions for fix slow issues on SAMSUNG GALAXY M21S troubles. This is mid end smartphone and work with Samsung Exynos processor. The Android 10 is ready to use with good performance when the first time open from the box. But some slowly problems start happen on SAMSUNG GALAXY M21S after use several months become lagging. Therefore we will give some tips and tricks to make SAMSUNG GALAXY M21S run more faster.

Why SAMSUNG GALAXY M21S Performance Become Slow and Not Responsive ?

We have to know about processor that use at this phone. It is use Exynos 9611 that has build in neoral network engine for AI performance.  This processor work with two segment of CPU depend on the applications. If we run light applications, it will work with four 1.7 GHz Cortex-A53 to save battery life. But if we start to use high intensive applications, then it will work with four 2.3 GHz Cortex-A73. Please note, this processor has limitation when running several applications together.

SAMSUNG GALAXY M21S processor with Samsung Exynos 7884

RAM also very important for make smartphone run faster or slower. We can choose to buy 4 GB or 6 GB RAM version. Please make sure our RAM is not insufficient. If this phone does not have enough free RAM, then some applications should force to close for give more free RAM, this process will make SAMSUNG GALAXY M21S become lagging for a while.

Usually the slow performance happen because of too much applications running in the background like chatting, social media, games and some other more. They will standby in the background to wait data update and wait some command. If many of applications run in the background together, then SAMSUNG GALAXY M21S RAM and processor resources will be insufficient.


solutions to fix lagging issues on samsung galaxy m21s slowly

How to Boost Speed Performance of SAMSUNG GALAXY M21S 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 > Apps, and choose not active applications, then choose Uninstall
  3. 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.
  4. If all solutions still not improve the performance, then please consider to do hard reset to factory default. Follow steps at SAMSUNG GALAXY M21S Hard Reset / Reformat page using hardware button combination Key.


There are 4 GB or 6 GB RAM options when we want to buy SAMSUNG GALAXY M21S. More bigger RAM will give better benefit for multitasking experience, but of course the prices also increase. Having more applications will make this phone work more slowly, especially if they are many apps standby in the background.


Solutions For Slowly Gaming Performance On SAMSUNG GALAXY M21S

Please make sure that we install recommended games for SAMSUNG GALAXY M21S processor, GPU and RAM resources. This phone work with Exynos 9611 processor that has dedicated graphic processor unit Mali-G72 MP3. It will deliver fast and less lag gaming performance because it use 2nd generation of Bifrost architecture MSAA (Multi-Sample Anti-Aliasing) for better detail and ASTC (Adaptive Scalable Texture Compression) and AFBC (Arm Frame Buffer Compression) for efficient graphics rendering. However, if we have many applications run in the background, then many games will be run slowly or lagging. We have to make sure our SAMSUNG GALAXY M21S has enough storage and enough free RAM capacity.


Why Is SAMSUNG GALAXY M21S Speed Become Lagging After Upgrade?

When the first time introduce for public, this phone use Android 10 operating system. This phone will get several time firmware upgrade for fix bugs and improve performance. Some users get slowly speed troubles or lagging. What should we do?

On most situations, performing upgrade will not make our SAMSUNG GALAXY M21S become slowly. But if this problem happen, then maybe there are some applications corrupt or not run properly with new version of the operating system. Therefore we suggest to backup all important data and do hard reset or reformat with new operating system. Please note, doing hard reset will not downgrade the operating system.



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