hmmm I had some trouble getting the driver of the Ultrafire A20B...it was press fitted...
there are two methods..solder 5mm led wires on the board and pull (have not tried it myself)
Make a tiny prybar and work slowly...I tok a very small screwdriver, 1+mm thick 3cm long, made an slanted 60 deg cut, smoothed it a bit with sanding...menacing...