my current bbm version is 5.0.2.12 and there is bbm 6 i don't know how to upgrade it? do i have to delete the previous one or i just have to upgrade without removing the old version someone help me with this thank u im using Blackberry 8310 smartphone (edge) v4.5.0.174 (platform 2.7.0.105) and im here in manila for my location using smart as my prepaid carrier. pls help me guys step by step to upgrade my phone has no wifi i have to do it manually.8-)