Thank you so much Catymag. I have been looking to flash my ancient 255w to get junction view
@9009RPM
US/EU 2x5W cannot display JCV regardless of firmware version. That feature was only present in 2x5W Asian firmwares.
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Thanks Neil.
Flashed to 2.30>2.60>2.70>3.10 and Junction view did not work.
At least I got lane assist which is pretty useful.
Do you mean you've converted it to SG/MY firmware? JCV was dropped for SG/MY in V2.x0 for some reason, i can't remember the exact version. I do recall that EN TTS was sh*t though. Why did you want to revert to V5.70 US before cross-flashing?
EDIT: I just noticed this in your earlier post:
If B1091-00 is correct for your 255W it's US/EU MTK chip HWID 1091. I thought only HWID 0827 non-mtk could be converted to Asian. The V5.70 supplied by Caty is HWID 0827.
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That's not my post.
I read in an earlier post that I had to downgrade to 5.70 before flashing sg/my.
My unit is hwid 0827
LOL! Sorry, mistaken identity. And yes, i do recall now that the SG/MY hack doesn't work with later than 5.70 US. BTW, there can be problems later if you've done a full conversion to SG/MY, best to retain the US HWID using boot from 0827 fw or nuvi can suddenly die ... I haven't done that conversion for a while because of TTS problems. Is it OK with V3.10 SG/MY on board?
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Everything runs smoothly on 3.10. I'll post some pics of the diagnostic mode once I get back home.
Here is a shot of it with lane assist shown. [Only registered and activated users can see links. ]
One thing I noticed is lane assist doesn't show up until less than half mile away from highway exit sometimes
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