What should I do when my smartphone slows down or an error pop-up appears?
Symptom
When data memory (eMMC / ROM) or RAM used for managing apps is not sufficient, smart phone may slow down or an error message can pop up.
Concept
A main memory in a mobile device consists of RAM and ROM.
1. RAM (Random Access Memory)
① Used to read and write data.
or move to the SD card to manage memory.
※ Some apps may not be stored in the SD card.
④ When RAM is not sufficient, it will clean the space according to LRU (Least Recently Used) to activate Low Memory Killer (LMK).
How to fix
1. Message “Low Memory” pops up and the phone slows down
① Please uninstall apps to secure space or them to the SD card to secure the memory.
② Go to Menu > Settings > Apps > select the App > Uninstall
Or move them to SD card to manage memory.
※ Some apps may not be stored in the SD card.
2. When the phone slows down or an error message pops up due to lack of RAM
① To use apps that take much memory space, less frequently apps that are running in the background is closed by Low Memory Killer
to secure space. It may appear that it is taking more time to run the app due to this process.
② When also an app is opened when available memory is not enough, it also take time to secure memory.
Using the Home key to exit an app without closing it properly can also make the app to take up RAM, thus slowing down the phone.
3. How to secure RAM
① Please use the Back key () to close an app, instead of the Home button.
② Menu > Settings > Apps > Running > Select running process > tap stop
③ Close running apps among those pre-installed on the phone such as App manager.
Pre-installed apps may differ by model.
