[HOW TO] Make a three way call on the HTC Evo Shift 4G
 

1.Tap Phone to make the first call, then tap 9 or prompt a number to fill in.

2.Tap Call.

3.To place the second call, press the Menu key, then tap Add call.

4.Enter a number or tap the desired contact.

5.Tap the Merge calls icon.

6.When finished, tap End call.

7.Press the Home key to return to the Home screen.

8.Done!