To enable Developer options on most Android phones you:

  1. Restart the phone 7 times
  2. Tap "Build number" 7 times in About phone
  3. Enable flight mode
  4. Install Android Studio on the phone
Answer

B) Tap "Build number" 7 times in About phone

Tapping Build number seven times unlocks Developer options.

Computer Science MCQ · More Lab: Android Studio Setup and First App MCQs · Practise