There are many hidden features in Android from that the Developer Options is the best and the useful feature which allows you to allow debugging over USB, capture bug reports, view the CPU usage on screen also there are many features in Developer Options.
Enable Developer Options :
Step:1 Go to settings on your Android Device.
Step:2 Then scroll down and tap on About Phone (the name various like about device, about etc.. that depends on the phone you are using)
Step:3 Now again scroll down and find the build number which you want to tap for 7 times continuously until the popup message(you are now a developer) comes out. Yeah, you are done.
Now go to settings, Developer Options are available. Soon you came to know about the Nook and corner of developer options by my post. Love you 🙂