Today, the BlackBerry Pearl 3G update OS: 5.0.0.748 for the BlackBerry Pearl 3G (9100, 9105).Before install OS,you must  Back up your data, give it a test run and let us know how it works in the comments if you are among the few to have a BlackBerry Pearl 3G. For download and install BlackBerry Pearl 3G OS:5.0.0748 in here.Your own risk and only if you’re comfortable in the process of upgrading and downgrading BlackBerry software. It is quite normal during operating system development for certain features to be crippled or disabled while others are tested, and these beta builds often reflect that.