| File Package | INF Version | Link |
| View Details | 08/29/2008,5.5.0.4400 | ftp://ftp.computerpart.com/blueusb21/BTW 5.5.0.4400 CD_Contents.rar |
| View Details | 04/11/2008,5.5.0.3200 | ftp://ftp.computerpart.com/blueusb21/BlueUSB21_CD_5.5.0.zip |
| View Details | 08/29/2008,5.5.0.4400 | ftp://download.asrock.com/drivers/NB/BT/BT_XP(5.5.0.4400).zip |
| View Details | 04/11/2008,5.5.0.3200 | ftp://ftp.spez.com.ua/driver/notebook/asus/X61_Series/X61sl/Bluetooth_AW-BT253_XP_090325.zip |