flashing and upgrading blackberry

FLASHING / UPGRADING A BLACKBERRY DEVICE 1. Download and Install Blackberry Desktop Manager(Preferably v 6.0) 2. Download & install the BLACKBERRY FLASHFILE (Depending on the phone model involved) 3.Delete the vendor.xml file located in c : program files/common files/research in motion/apploader 4.With battery Connect your BlackBerry device to your computer 5.Run Loader from c : program files/common files/research in motion/apploader & click Next 6.Select all software you want installed. 7.Proceed to the end portion untill you see the "Finish" button 8.& wait for Your device's software has been updated successfully.