At this point, it might seem like RAM boosters and task killers are neutral. They might not necessarily help with Android performance, but they aren’t bad to have around, right? Maybe they provide some marginal benefits? Unfortunately, no. They are detrimental.
For one, Android uses an SD card for file storage rather than a traditional hard drive. SD cards are a type of flash memory — similar to solid state drives — and don’t need to be defragmented. In fact, one of the downsides to flash memory is a limited number of times that data can be written to the card before it expires. By defragmenting an SD card, you can decrease its lifespan.
When you clear apps from RAM, Android is just going to load them into RAM again the next time it needs to access those apps (for notifications, updates, and other background details). This is actually slower for you since SD cards are slower than RAM.
And in the case of automatic task killers, you end up having to sacrifice some of your RAM and CPU to the task killer app itself, which is always running and monitoring for opportunities when tasks should be killed. This can be a big drain on battery life — and you aren’t getting anything useful in return!
Thank you for reading be sure to stop by every week as we explain on how to deal with your smartphones from battery drainage slow UI, Memory management and app crushes
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TECH CAFE 
never knew that..
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