2.2.1. CHECK MEMORY USAGE
The memory manager can offer a glance of how the device is using its RAM.
ENABLE DEVELOPER OPTION
To check the memory usage, you have to enable “Developer Option”:
1) Go to App Drawer (All Apps) | Settings | System |About Phone .
2) Tap on “Build number” 7 times to enable it. During the process, you’ll see a prompt
with a countdown reading “You are now X steps way from being a developer.”
3) Once the prompt “You are now a developer!” showing up, you have succeeded in
entering developer mode. You can find Developer option is now enabled in
System page.