How do you replace the front speaker/earpiece?I had to replace the digitizer and LCD screen of my EVO and managed to transfer everything over except the front earpiece/spe...
Answer to: Tool used to remove the logicboard and where to buy extra screws?Check out the teardown - HTC Evo 4G Teardown You'll see that the logic board is only attached by a ribbon cable to the digitizer. What you need the Torx screwdriver for is unscrewing the red rear casing from the logic board. The teardown says that the screws are T5 Torx screws.
Answer to: htc evo backlight not workingDid they try replacing the digitizer (the touchscreen) or the LCD screen? It sounds like you need a new LCD screen. If that doesn't work, the connection for your LCD screen might be blown.