It seems we are getting OS releases out of the woodwork these past few days and this is a big one. No, it's not a 5.0 OS but a carrier that goes by the name of COSMOTE has released OS 4.5.0.181 for the not only the BlackBerry 8800 but also for the 8820 and 8110!

BlackBerry 8800 Smartphone
BlackBerry Handheld Software v4.5.0.304 (Multilanguage)

Package Version: 4.5.0.304
Consisting of:

• Applications: 4.5.0.181
• Software Platform: 2.7.0.108
• File name: 8800M_PBr4.5.0_rel304_PL2.7.0.108_A4.5.0.181_COSMOTE.exe
• File size: 90.39 MB

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

Download BlackBerry 8800 Official Release OS 4.5.0.181 from COSMOTE

BlackBerry 8820 Smartphone
BlackBerry Handheld Software v4.5.0.304 (Multilanguage)

Package Version: 4.5.0.304
Consisting of:

• Applications: 4.5.0.181
• Software Platform: 2.7.0.108
• File name: 8820M_PBr4.5.0_rel304_PL2.7.0.108_A4.5.0.181_COSMOTE.exe
• File size: 90.55 MB

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

Download BlackBerry 8820 Official Release OS 4.5.0.181 from COSMOTE

BlackBerry Pearl 8110 Smartphone
BlackBerry Handheld Software v4.5.0.304 (Multilanguage)

Package Version: 4.5.0.304
Consisting of:

• Applications: 4.5.0.181
• Software Platform: 2.7.0.108
• File name: 8110M_PBr4.5.0_rel304_PL2.7.0.108_A4.5.0.181_COSMOTE.exe
• File size: 98.19 MB

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

Download BlackBerry Pearl 8110 Official Release OS 4.5.0.181 from COSMOTE