Hi all,   Thought this might help someone else so I have put together a little guide on upgrading firmware and loading maps on the Columbus unit.   **PLEASE NOTE: Neither myself, or anyone associated with Briskoda.net is responsible for upgrading your unit, it is done at your own risk as there is a chance you can brick your unit**   First of all you need the relevant firmware for your device - some doesn't work with older versions, or there are some modified versions about. The firmware is