How to Enable Developer Settings in Android 4.2
Here is a quick instructions guide on how to get those developer settings back on your new Android phone with Android 4.2 on it. Step 1 - Go to Settings > About phone. Step 2 - Scroll down to the bottom to “Build number.” Step 3 - Tap “Build number” five times. You will see a dialogue box that says you are only four taps away from being a developer. Continue tapping four (4) more times. Step 4 - Developer options will be under Settings are back!