Joined: Wed 2:18 pm Posts: 4 Has thanked: 0 time Been thanked: 0 you've done a conversion already to SG/MY firmware the DO NOT attempt another to 465T as there can be serious problems. Check Tools> System> About-Sgmy software 2.60.

Updater.exe will prompt you the firmware older than your nuvi, Just Click 'Yes' or 'OK' Connect USB into PC, Connect Mini USB into Nuvi. Switch on Nuvi-Press & Hold the Battery Icon until enter into dignostics screen. Download the Patch firmware from My download link. No need download update firmware from, and copy what 'Gupdate.gcd' into nuvi !! So troublesome !! 260: Is the latest firmware of SG/MAL firmware. If your Nuvi 255W is US version, I might sure GPS ID is 827. My download link file is 082701000260.RGN U still need to remove the 'sg'.Ġ93001000230.RGN: 0930 is GPS ID, Can explain to u that this is the 'Door' for updater.exe to recognize the firmware in order open the door to loading SG/Mal firmware into the Nuvi.Ġ93001000230.RGN : 230 = Is the firmware version of SG/MAL. They use 093001000230.RGN to force loader loading the firmware into Nuvi 255W US.Įxplaining on RGN for all. Refer to this blog, the blogger not so experience on patch firmware. Simply download the file from the rapidshare download link above.Ġ82701000260.RGN -> 093201000260.RGN. The service firmware only works for HWID 0827 (US sets)? How about TW sets? Download the files above, unzip and run updater.exe Plug in the mini USB into nuvi, connect to pc

Press & hold battery icon until dignostics mode appear Delete all the files from your nuvi's directories under Garmin/Voice/*.* and Garmin/Text/*.* Back up all the files from your nuvi's directories into your PC How to Flash Garmin Nuvi 255W / 265W to MY/SG firmwareįlash your Garmin Nuvi 255W/265W to My/Sg firmware so that you are able to use the junction view feature. just trying to breathe more life into my old nuvi. You guys think I could just get a hold of the firmware for that model and flash it on the 255 for it to work? thanks. it looks like the specs are pretty close to the same as the old garmin 255w. Has anyone heard about this? is so, please comment? I have also been reading about the garmin 2455 lmt. I tried to download the files but the links are all broken. I will copy what I have read on here on the bottom. Hi all, just wondering if anyone has the files needed to upgrade a garmin 255w to junction view? I have read about it on two sites.

Does garmin nuvi 255w update