For those curious or coming from non Samsung devices, you can enable developer options by going to settings> about phone> and tap build number. You will see a toast message appear telling you to keep tapping. Follow instructions and enjoy.
I have old samsung mega.. Is it possible for my old model ?
Here is what ive found:
On Android™ version 4.2 and higher, the Developer options screen is hidden by default. To unhide the Developer options, press Menu Menu key > Settings Settings Shortcut > More Settings More Tab Icon > About Device Settings About Icon. Scroll down to Build number and touch it seven (7) times. The menu option will then appear under Settings Settings Shortcut > More Settings More Tab Icon > Developer options Settings Developer Icon.
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