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Official OS For 8110/8120, 8300/8310, & 8800/8820

DavidB let us know (via BBRocks) that the latest round of OS 4.5 updates has been put out by O2 UK for those older devices that are not getting OS 5.0. O2 UK has just put out OS for the devices listed above. Let us know if you notice anything new in the upgrade!

Download @

If you do not know how to upgrade your BlackBerry OS please start by reading this great step by step guide that Luis wrote up. NOTE: Don’t forget to delete the vendor.xml file located in c:program files>common files>research in motion>apploader to install it on a different carriers device.

Please confirm in the comments if this works for you!

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  1. please someone should help me and send os 4.5 to my mail please god will bless you

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