To start, head to the About phone menu in Settings, then tap the «Android version» entry about five times. (android.gadgethacks.com)
To start, head to the About phone menu in Settings, then scroll down and tap the «Build number» entry seven times in rapid succession. (android.gadgethacks.com)
You know how it normally goes: you navigate the automated phone menu before a long wait on hold to speak with someone. (mybanktracker.com)