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  1. #61
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    Quote Originally Posted by matti_k View Post
    I need to downgrade my 255w to 5.70 or lower can anyone re-post?
    b1091-00
    This is HWID 827, be sure it's ok for your nuvi
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  3. #62
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    Quote Originally Posted by catymag View Post
    This is HWID 827, be sure it's ok for your nuvi
    [Only registered and activated users can see links. ]
    Do you have still the file? Link is dead and I am looking to downgrade my 255W HWID 0827 from 7.60 down to 5.70.

    Thank you!

  4. #63
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    Quote Originally Posted by 9009RPM View Post
    Do you have still the file? Link is dead and I am looking to downgrade my 255W HWID 0827 from 7.60 down to 5.70.

    Thank you!
    [Only registered and activated users can see links. ]
    [Only registered and activated users can see links. ]
    [Only registered and activated users can see links. ]

    [Only registered and activated users can see links. ]
    You have to navigate to get to the good.
    Nuvi1250/Nuvi 34xx/Nuvi 2200/Nuvi 66/Oregon 600/Galaxy S5 MM 6.0.1/TomTom GO/iGO Nextgen Avic,Basar,Isr.Gift/Navigon
    Please don't flood my pm box with questions you can post on forum!! You won't hear back from me.

  5. #64
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    Thank you so much Catymag. I have been looking to flash my ancient 255w to get junction view

  6. #65
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    @9009RPM
    US/EU 2x5W cannot display JCV regardless of firmware version. That feature was only present in 2x5W Asian firmwares.
    'Thanking Posts' are banned. To thank someone, and/or to see hidden links and content, use the [Only registered and activated users can see links. ] button below left of the helpful post then refresh your browser [F5 key]. 'Thanking Posts' are banned.
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    [Only registered and activated users can see links. ] should make their first post as a new Intro Thread in [Only registered and activated users can see links. ].

  7. #66
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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.

  8. #67
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    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:
    Quote Originally Posted by matti_k View Post
    I need to downgrade my 255w to 5.70 or lower can anyone re-post?
    b1091-00
    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.
    'Thanking Posts' are banned. To thank someone, and/or to see hidden links and content, use the [Only registered and activated users can see links. ] button below left of the helpful post then refresh your browser [F5 key]. 'Thanking Posts' are banned.
    Please don't spam. Posts serving no purpose other than to thank or to ask about hidden links are trashed or deleted, it's GPSPower's policy. Please don't spam.
    [Only registered and activated users can see links. ] should make their first post as a new Intro Thread in [Only registered and activated users can see links. ].

  9. #68
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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

  10. #69
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    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?
    'Thanking Posts' are banned. To thank someone, and/or to see hidden links and content, use the [Only registered and activated users can see links. ] button below left of the helpful post then refresh your browser [F5 key]. 'Thanking Posts' are banned.
    Please don't spam. Posts serving no purpose other than to thank or to ask about hidden links are trashed or deleted, it's GPSPower's policy. Please don't spam.
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  11. #70
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    Default Nuvi 2x5W Software Versions Summary

    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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