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  1. #61
    Important User Nuvi 2x5W Software Versions Summary
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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
    [Only registered and activated users can see links. ]
    l9ebnsm
    You have to navigate to get to the good.

    Galaxy S5 Kitkat 4.4.2 / Nuvi1200->1250 / Nuvi3790T->34xx / Nuvi 2200 / Nuvi 66 / Oregon 600

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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
    Important User Nuvi 2x5W Software Versions Summary
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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. ]
    l9ebnsm
    You have to navigate to get to the good.

    Galaxy S5 Kitkat 4.4.2 / Nuvi1200->1250 / Nuvi3790T->34xx / Nuvi 2200 / Nuvi 66 / Oregon 600

  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
    Garmin/GPS Systems GMod. Nuvi 2x5W Software Versions Summary
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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.
    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. ].

  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
    Garmin/GPS Systems GMod. Nuvi 2x5W Software Versions Summary
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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.
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  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
    Garmin/GPS Systems GMod. Nuvi 2x5W Software Versions Summary
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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.
    [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. ].

  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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