02-06-2007, 01:57 PM
Join Date: Aug 2004
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When you connect your BB to desktop manager, VENDOR.XML is built, identifying what carrier your BB is made for. It then prevents you from loading software released by another carrier.
So, if you want to apply software released by Cingular onto a T-Mobile branded BB, you must delete VENDOR.XML.
All of the software is written by RIM. It is tested and released by the carriers.