How To Fix Samsung Phone Lagging Issue? Best Guide to Speed-Up Your Samsung Phone.


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It is common that many Samsung smartphone users experience slowing down of their phones and also get a laggy experience occasionally. This issue was often being explained by a salesperson to you that, commonly Android OS smartphones would experience this issue whenever it’s being used for about 1-2 years long or more. What more to say that Android updates would keep asking you to update the firmware, therefore minor software changes including settings, configurations, apps, UI, skins and more are putting more heavier intensive demand on the CPU and RAM for speed crawling. Some Samsung smartphones may not get a suitable update whereby being found with some bugs in the updates, the problem of slowing down and lagging can prolong.

Anyway, if you could remember what previous action you had taken that caused the phone to laggy or it gets laggy over some duration, then the following are a great collection of guides that can help you with these issues.

Following are the best Samsung slow fix solutions ranging from simple solution to more advanced solution based on your preference and needs.

1. Clean Unused System Cache to Fix Lagging Samsung Devices

Samsung devices including other Android devices are using these temporary files or called as system cache files to help any specific apps to load faster. The accumulation of these cache files were stored in the cache partition of the internal storage of devices. Especially after your phone has been updated with a major software patch, which can be the cause to corrupt the system cache into a bad system cache which leads to lagging of the devices.

Good part is that there are always ways to solve this issue, which is to clean the system cache from time to time. With that, you can allow the system cache to rebuild a fresh new cache to replace the previous outdated cache which essentially reduces the risk of bugs developing on your Samsung devices.

With Samsung’s latest update, you can now directly optimize your Samsung phone to free up junk files, temporary cache files, and any unnecessary files by going to the setting as follows with a single tap.

Settings > Device Care > Optimize Now.

2. Samsung Firmware Update-to-Date to Fix Lagging issues.

It has probably been a long time that your Samsung phone’s firmware is not up-to-date. Common Android firmware that is not up-to-date would eventually face bugs and problems in slowing down the system. Therefore, to avoid the laggy bugs and slowdown problems caused to the system, you should keep your Samsung firmware up-to-date. You can manually check the firmware update as follows:

Settings > Software update > Download & Install.

Aside from updating the firmware system, your apps should be up-to-date by manually checking them in Google Play Store. Some third party apps that you have downloaded outside of the Play Store, just make sure that you know where to download an update for them from their official developer or website. It is essential to keep the apps updated as well to ensure the software operates smoothly with the latest version with no bugs slowing down the whole Android system.

3. Use Safe Mode to Remove Buggy 3rd Party Apps, Malware or Virus.

There are huge 3rd party apps available online which were not built properly for Android devices and can cause bugs and issues of lagging after installing the apps. To diagnose and find out which 3rd Party Apps and even might be Malware or Virus causes lag issues on your phone; you have to enter the Safe Mode feature.

How to enter Safe Mode on a Samsung phone? Here are simple ways to access Safe Mode on your Samsung phones.

Due to the buggy third party apps, malware or viruses can’t run on safe mode, you can check through by examining the suspected apps and deleting them one by one in order to eliminate the malware or viruses causing lag issues. However in Safe mode will not let you know which exactly are the apps causing the problem, you have to manually identify the culprit by removing one-by-one apps individually till you get the right one.

4. Factory Reset to Android System Default

This method usually reserves for last resort, whenever other software solutions are not possible. This solution is the easiest to reset your phone software back to the original default setting, therefore commonly capable of solving major software bug issues accordingly. Before you begin Factory Reset, make sure you backup all of your irreplaceable files and data that include gallery photos & videos, contacts, and etc. You can learn the factory reset steps on your Samsung phone by following this simple guide.

5. Overheating Phone is Causing Lag and Slow Down

Samsung phones may overheat due to CPU speed and RAM usage being limited. Phone overheating can be due to software and hardware issues depending on their own specific cause.

For software problems that lead to overheating mostly affected by buggy system updates, high end intensive games, and more. The usual software problems can be solved by performing the easy solution of factory reset. However there are chances that if factory reset does not solve the issue, the elimination method would automatically lead to the next obvious issue, which is the hardware of the devices.

Hardware of smartphones commonly causes overheats ranging from heavy usage of CPU, long duration display light up, low battery lifespan, and etc. The hardware issues commonly can be solved via Samsung Service Center that can assist you with thorough checking and advise you with repair or replacement required to fix the relevant hardware issues.

6. Option to Flash Custom ROM for Buttery Smooth with No Bloatware

There are numerous Custom ROMs for every specific Samsung phone contributed by developers free to use. You can check out this website to look for the most common Custom ROM such as LineageOS(started as CyanogenMod), Pixel Experience, Resurrection Remix and much more. Every custom ROM has their own benefits and best one shall usually choose for the stable one or most downloaded one. You can check out their forums here to understand their review or easily go with the most reviewed one if you don’t want to waste time.

The most difficult part in making this decision is because flashing a Custom ROM incorrectly may brick your Samsung phone and can break it into unresponsive, won’t power on, and doesn’t function normally. This is why this option was the hardest one and usually requires more experience to perform this option. You should watch through how they flash a Custom ROM in YouTube to make sure that you really understand the steps and consequences. Once you have successfully flash into Custom ROM, you would be amazed at the new Android OS which works buttery smooth and stable with little to non-buggy issue, no slowdown issue, and will not hang like how you usually frustrate about.


If you are non-technical Samsung users who have difficulty understanding the solution we have explained here, get a friend or smartphone service center to help you out as important without destroying your phone accidentally. It is important that before you handover to another person who is working on your phone, make sure they can be trusted in order to avoid them stealing your phone’s information or data. If you are afraid your information could leak, ensure to do a backup on your PC and perform factory reset on your phone at least before you handover to others for help. We hope your progress to get your slow, laggy or hanging phone issues fixed as soon into buttery smooth as originally it is. If you need more help regarding this issue, please comment below so that we could fix your issue immediately.

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