get current lat long without GPS in blackberry storm 2

i m working with the application which are needed to get current lat long of user开发者_运维问答 . in our area GPS is not working so how to get lat long without gps system

You can send your wifi and/or cellid info to google (or to RIM's own service but that is still alpha quality) and it will tell you your lat-long, see method here: Cell triangulation on BlackBerry