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BlackBerry OS 4.5.0.139 for 8820
T-Mobile BlackBerry® 8820™Download:Handheld Software (v4.5.0.139) Date Updated:4/17/2009 Size:103.2 MB Notes:
To find out if you need this software:
- On the Home screen, click Options.
- On the Options menu, click About
- If the version is not 4.5.0.139, then please download and install the most recent Handheld software for your device.
NOTE: While updating the software on your Handheld, be sure to select the option to back up and restore data on your device, to preserve your information that's already on the device.Download
