AT&T just released the long awaited official version 4.5 upgrade for their BlackBerry Curve (8320) and 8820 phones. This free OS adds video, streaming media, Documents to Go (viewing only) and voice note capabilities as well as opening the device for native viewing of html email.

BlackBerry 8320 OS 4.5
BlackBerry 8820 OS 4.5
via – BlackBerry News

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