hi guys, i'm new in this forum....

i have some question to ask..

a few week ago i have buy a new blackberry bold 9900 white color. it work great,after a few days later my bb got a broken screen... i don't know why it happen... my question is, do blackberry give warranty(brightstar) for broken screen? if not how much it cost for replace a new screen for blackberry bold 9900? and how long it takes?