ive unlocked my evo 4g via htcdev ...and when i try to flash recovery, it drops out of the splash screen exactly 10 sec. and goes black the only option of doin so is the ADB command method as it wont boot norm, so i can not toggle off the fastboot option from within its os. here is info that may help
****unlocked****
supersonic evt1 ship s-on
hboot-2.18.0001
microp-041f
touch panel-atmel224_16ab
radio-2.15.00.12.19
dec 21 2011,12:50:32
ive been @ this for 9 days now, and getting super confused with it really ...lmao plz save me!