100% tested to me...
since that kind of resistor is not available here
i took 3 pcs of resistors (100K) from any bb5 phones...just connect all the resistors and connect every end to pin 4 and 5....
although it is 300k (not 301k) but it is enough to force in download mode
another alternative is here
http://test.sptbox.com/publish.htm