Latest BlackBerry OS 4 user agents:

User Agent Browser Device
Mozilla Ant Corp. Parntership/5.0 (Blackberry OS 4 Ant browser ) Ant Secure HTML/566.77 (Ant secure HTML, like Gecko) Version/4.0 Ant Browser/2.0 Ant/537.366 vvv AM BlackBerry Browser BlackBerry OS
Mozilla Ant Corp. Parntership/5.0 (Blackberry OS 4 ) Ant Secure HTML/566.77 (Ant secure HTML, like Gecko) Version/4.0 Ant Browser/2.0 Ant/537.366 vvv AM BlackBerry Browser BlackBerry OS
BlackBerry9000/4.6.0.167 Profile/MIDP-2.0 Configuration/CLDC-1.1 VendorID/102 BlackBerry Browser BlackBerry 9000
BlackBerry8320/4.2.2 Profile/MIDP-2.0 Configuration/CLDC-1.1 VendorID/100 BlackBerry Browser BlackBerry 8320
BlackBerry8330/4.3.0 Profile/MIDP-2.0 Configuration/CLDC-1.1 VendorID/105 BlackBerry Browser BlackBerry 8330
BlackBerry9530/4.7.0.167 Profile/MIDP-2.0 Configuration/CLDC-1.1 VendorID/102 UP.Link/6.3.1.20.0 BlackBerry Browser BlackBerry 9530
BlackBerry7100i/4.1.0 Profile/MIDP-2.0 Configuration/CLDC-1.1 VendorID/103 BlackBerry Browser BlackBerry 7100i
BlackBerry8300/4.2.2 Profile/MIDP-2.0 Configuration/CLDC-1.1 VendorID/107 UP.Link/6.2.3.15.0 BlackBerry Browser BlackBerry 8300
BlackBerry7520/4.0.0 Profile/MIDP-2.0 Configuration/CLDC-1.1 UP.Browser/5.0.3.3 UP.Link/5.1.2.12 (Google WAP Proxy/1.0) Openwave Mobile Browser 5 BlackBerry 7520