My factory unlocked iphone 4 4.0.1 bb 1.59.00 wont get out of recovery mode.. help plz?

ive tried everything to try to kick it out but nothing works, its unlocked for tmobile and is jailbroken..ive literally tried everything from tiny umbrella to recboot to limera1n to just about everything i am desperate for help.. i spent 10 hours on the computer looking for something and i cant find anything, nothing works. and i dont wanna restore and update because my baseband will become the new one then i cant unlock :(