Steps to Enable developers options in android device:
Step 1: Open the Settings app.
Step 2: (Only on Android 8.0 or higher) Select System.
Step 3: Scroll to the bottom and select About phone.
Step 4: Scroll to the bottom and tap Build number 7 times.
Step 5: Return to the previous screen to find Developer options near the bottom.
Now Developer options will be enabled.