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So I was struggling at the first step, I had no idea which hardware/firmware revision I was running.įortunately, I found a web site that was quite encouraging and convinced me to take the plunge anyway. It seems that on older firmware versions this hidden menu is not available. To access the hidden menu, simply press the setup button for around 10 seconds and a radio service menu should appear with a menu option called “Version info” – unfortunately, on my unit this did not work. I opted for the second option, I really didn’t want to have to pull the unit out. You can find out the specific hardware revision by a) taking the unit out of the dash and looking for the part number or b) using a secret hidden menu. There are various different versions of RNS 510 along with multiple different versions of firmware, so it seemed like a good first step was to work out what I had. Determine which revision of hardware/firmware you are running So having successfully updated both the firmware and maps on my unit I thought I would write a guide to summarise, in one place, how I did it.įirst I will describe how I did the firmware upgrade, then I will move on to how I updated the maps.ġ. I also read that newer versions of firmware also provided additional features, bug fixes and performance improvements, obviously! So I started doing a lot of googling and reading and found a wealth of information spread all over the place about how to upgrade both the firmware and maps on the RNS 510. I was starting to find the maps on my RNS 510 were getting a bit out of date, after all I had never updated it since I purchased the car in 2009. This information does not pertain to the US spec RNS 510 – please read through comments for info – these instructions are specific for UK and ROW (Rest of World)