Is flash with incorrect firmware curable?
Dear nuvi experts,
My nuvi 2465LM is Indonesian version (has no voice command feature like other Asian models do), HWID 1327 and has recently turned to brick (hopefully can be cured). The device came with annoying branded car logo and I successfully changed it back to Garmin logo (how to do it I learn from this forum, many thanks for you all). With fully charged battery I updated the firmware to 5.0 vers, and I was not happy with that somehow therefore wanted to downgrade the firmware. So I flashed older firmware using RGN tools and updater. Once flashed, the device just worked fine. It was likely that I put incorrect firmware as car icon on the map sat on a place labelled Garmin US where I was not here. Leaving the nuvi on clear open air for sometime did not help. I then turned the nuvi off and on and nothing happens, just black screen, even the power button is pressed a bit longer. When connected to pc under win7, the screen turns to white and it cannot see the device as mass storage as normally. I also tried to reach preboot mode using Garmin updater 2.8.0 on the same pc, this time it just give me white screen, no logo, no map loading, no flicker screen, no error message, just no anything but the white screen. Experimenting with and without SD card inserted also did not help entering preeboot mode. Lastly, I do not have full back up because I did not know if there is hidden .System folder in nuvi, but never mind. Your help is very much appreciated. Sorry if this post is in wrong thread.