Enable Developer Options for devices with Android 4.2 and higher

On devices running Android 4.2 and higher, the Developer options is hidden by default. To enable Developer Options, go to Settings > About phone and tap Build number seven times, the detail steps may various depends on model.

Here is the steps to enable Developer Options on HTC One X running Android 4.2.2:

- Open Settings, select About.

- Open Software information

- Open More

- Tap on Build number 7 times

- You are now a developer!
- The Developer Options will be in Settings.