Pearl 8100 Pearl 8100 is a mobile phone manufactured by Research In Motion Limited. Latest user agents:BlackBerry8100/4.2.0 Profile/MIDP-2.0 Configuration/CLDC-1.1 VendorID/116BlackBerry8100/4.5.0.124 Profile/MIDP-2.0 Configuration/CLDC-1.1 VendorID/100