Hi all,
I've got a Nuvi 2350 and I want to enable some features but something is wrong with that device.

Supported Features

Part Number: 006-D1338-21
Rev: 0A

TTS Phonetics
Junction View
Lane Assist
Traffic EULA
Photo Nav
ASR
Historic Traffic
Premium Point Addressing
Bluetooth

As you can see Bluetooth and ASR are supported (shouldn't be for this model and, of course, they don't work/Bt icon is present in the menu) but no Speed Limits (should be). I found two *.gcd files and when I dragged them to RGN_Tool I got HWID: N/A. I tried to update firmware (software version 2.20 to 3.70) using Garmin Express and Web Updater but without any success. Both of them says, "it's up to date". For some reasons I had cleared all user's data and locked device. Somehow i unlocked device, wrote code and wanted to change lock code but no such option in the menu??? After clearing user's data again i tried to use the same code but it wasn't accepted. Lock code was randomly changed??? Ok, in the end I unlocked it again with other pin code (there is a just 10,000 combination lol). Does anybody has idea how to enable features since my HWID is N/A. Please don't advise to read this thread because I already did. Thanks.