HTC G2 To wake up the phone, To return to the Home screen

30 Android basics
User’s Guide T-Mobile G2
To wake up the phone
If you don’t use the phone for a while, the Home screen or other
screen you are viewing, is replaced with the lock screen and then the
screen darkens, to conserve the battery.
1Press the Power button.
If you’ve locked your screen, you must draw an unlock pattern or
enter a PIN or password to unlock it. See “Locking your phone” on
page 61.
If you haven’t locked your screen, this lock screen appears.
2Drag the lock icon to the right.
The last screen you were working on opens.
To return to the Home screen
SPress the Home button at any time, in any application.