Software For BlackBerry® Pearl (TM) 8110 & 8120, Curve (TM) 8300 & 8310, 8800 & 8820 smartphone
BlackBerry Handheld Software v4.5.0.312 (Multilanguage)

Package Version: 4.5.0.312
Consisting of:

• Applications: 4.5.0.187
• Software Platform: 2.7.0.109
• 8110
  • File name: 8110M_PBr4.5.0_rel312_PL2.7.0.109_A4.5.0.187_O2_UK.exe
  • File size: 98.21MB
• 8120
  • File name: 8120M_PBr4.5.0_rel312_PL2.7.0.109_A4.5.0.187_O2_UK.exe
  • File size: 98.07MB
• 8300
  • File name: 8300M_PBr4.5.0_rel312_PL2.7.0.109_A4.5.0.187_O2_UK.exe
  • File size: 90.17MB
• 8310
  • File name: 8310M_PBr4.5.0_rel312_PL2.7.0.109_A4.5.0.187_O2_UK.exe
  • File size: 91.02MB
• 8800
  • File name: 8800M_PBr4.5.0_rel312_PL2.7.0.109_A4.5.0.187_O2_UK.exe
  • File size: 90.41MB
• 8820
  • File name: 8820M_PBr4.5.0_rel312_PL2.7.0.109_A4.5.0.187_O2_UK.exe
  • File size: 92.58MB

Note: The Software Platform and Applications version numbers can be found under Options-About screen on the handheld.

• Download: OS 4.5.0.187 for your BlackBerry Pearl 8110 & 8120, Curve 8300 & 8310, 8800 & 8820 from O2 UK
• How To:
  • Backup And Restore Your BlackBerry
  • Upgrade your BlackBerry Operating System (OS)

Please report any feedback/findings in the comments.

REMEMBER: It is recommended that you make a backup before attempting to upgrade your BlackBerry just in case something goes wrong during the upgrade process. *