im not sure what you mean.. a guy with a storm asking questions about an 8830 in a 83xx forum..hmm. well, if you mean 8330, the newest os is 4.5.0.131. if it is a theme you are after that looks like a bold look here: http://forums.crackberry.com/f126/
if it is indeed a bold theme for an 8830 look here: http://forums.crackberry.com/f128/
if it is the newest os for the 8830 look here: http://forums.crackberry.com/f61/
there is no such thing as a "bold os" on an 8330 or a 8830.