well i have a tuto but is in spanish but could give you an idea about what you have to do BUT DON'T DO NOTHING IF YOU ARE NOT REALLY SECURE use this one to find one similar in english

here is the TUTO:

http://www.taringa.net/posts/celulares/2071984/[Tutorial]-A2-Uploader,-Para-activar-y-subir-menues-flash-y.html

Cell flash??Wat's tat? I'm not pro in tis stuff, can teach me?

i havent prove it in W705, but did you check if you have you cell flashed ??

Doesn't work on w705 also. Sad. Can do sumting about it?

yeah you can use it in w902

does not work on W902