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  1. #1
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    doesn´t work wih me.... tried all

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  3. #2
    Navigation software expert An updated guide to enable JCV, Highway Mode, Lane assist & TTS on 2x5w
    An updated guide to enable JCV, Highway Mode, Lane assist & TTS on 2x5wAn updated guide to enable JCV, Highway Mode, Lane assist & TTS on 2x5wAn updated guide to enable JCV, Highway Mode, Lane assist & TTS on 2x5w
    lolypop000's Avatar
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    Do you install garmin usb drivers?

  4. #3
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    Is there any news about S4?

  5. #4
    Member TCIII's Avatar
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    I've done everything I know to do but I cannot get JCV to work.....all other functions work......205W FW 2.70 SgMy.....

    2013.30 US maps with 2013.30 JCV files...tried all 3 sizes......I'm stumped.. Any Ideas?

  6. #5
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    I've tried several guides but have not been able to install JCV, Highway Mode or Lane assist on the Garmin 295W yet.

  7. #6
    Garmin/GPS Systems GMod. An updated guide to enable JCV, Highway Mode, Lane assist & TTS on 2x5w
    An updated guide to enable JCV, Highway Mode, Lane assist & TTS on 2x5wAn updated guide to enable JCV, Highway Mode, Lane assist & TTS on 2x5wAn updated guide to enable JCV, Highway Mode, Lane assist & TTS on 2x5wAn updated guide to enable JCV, Highway Mode, Lane assist & TTS on 2x5wAn updated guide to enable JCV, Highway Mode, Lane assist & TTS on 2x5wAn updated guide to enable JCV, Highway Mode, Lane assist & TTS on 2x5wAn updated guide to enable JCV, Highway Mode, Lane assist & TTS on 2x5w
    Neil's Avatar
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    @harm31
    Garmin made a very bad choice calling that device 'Nuvi 295W'. I recall someone asking 'is a 295W like a 265W with ASR or something'. For a start, it's absolutely not a 2xx series, not even remotely. It's not even really a 'nuvi' in the traditional sense. As most would know, it's really a Garmin Nuvifone sans 'fone'. Such avoidable confusion, bad Garmin! Nothing posted in this thread is going to help you with modding your 'de-foned nuvifone' sorry.
    '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. ].

  8. #7
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    Hello, i have an European Nüvi 255W, S2 board. If i change my actual 7.6 firm for the old 2.7 SING/MAL the junction points will be available with 2013.40 maps from Europe? And spanish text and voices too?

    Thanks in advance

  9. #8
    Garmin/GPS Systems GMod. An updated guide to enable JCV, Highway Mode, Lane assist & TTS on 2x5w
    An updated guide to enable JCV, Highway Mode, Lane assist & TTS on 2x5wAn updated guide to enable JCV, Highway Mode, Lane assist & TTS on 2x5wAn updated guide to enable JCV, Highway Mode, Lane assist & TTS on 2x5wAn updated guide to enable JCV, Highway Mode, Lane assist & TTS on 2x5wAn updated guide to enable JCV, Highway Mode, Lane assist & TTS on 2x5wAn updated guide to enable JCV, Highway Mode, Lane assist & TTS on 2x5wAn updated guide to enable JCV, Highway Mode, Lane assist & TTS on 2x5w
    Neil's Avatar
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    Quote Originally Posted by Chuke01 View Post
    Hello, i have an European Nüvi 255W, S2 board. If i change my actual 7.6 firm for the old 2.7 SING/MAL the junction points will be available with 2013.40 maps from Europe? And spanish text and voices too? .......
    Read post #46 and check out the link there. Be prepared that maybe you'll be a bit disappointed with the overall results of EU>SG/MY though. Don't always expect everything to be perfect (incl. VCJ) with conversion of US/EU device to Asian fw. Read this entire thread first as well as the garniak link by catymag.

    Quote Originally Posted by alamel View Post
    hi, just wondering if this upgrade is only for wide screen models or will it work on my regular nuvi 255?
    thanks
    Don't flash any 2x5W fw to a 2x5.
    '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. ].

  10. #9
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    Thanks to your guide I have changed the firmware from EU to SG/SY. Actually have 3.10 SG/SY version in my 255W. JV, Lane assist and the rest o features seems to work well. I'm satisfy with the results. Only have a drawback, the EU firmware is more up to date, for example has fix the keyboard response.
    Last edited by Chuke01; 3rd March 2013 at 10:26 PM.

  11. #10
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    Hello...

    I jsut managed to install 2.70 SG/MY firmware to my 255w EU, S board rev. 6 2GB following the procedure.

    In the process I did an unnecessary mistake: I converted it to a 2w and the HWID changed from 827 to 930

    However the firmware installed successfully... and i can report a couple of bugs:

    -Parts of the main interface are not translated and still showed in english (eg. the travel summary appearing on the left when you examinate the route step by step).

    -JCV doesn't work at all with my map set (city navigator europe NT 2013.30) - i am sure the files are correct, because in my others jcv-enabled garmin units, 1250 and 1440 they work like charms.

    Now the poin is.

    Whatever firmware I flash into the device, the device in the info tab and in the GarminDevice.xml shows up as a 2w

    Can we look for a solution to revert back from 2w to 255w?

    Googling the web for infos stated that "it is not possible" but if i'd know how that .rgn file changed the hwid from 827 to 930 i am sure i can compile a ".rgn" file that changes the HWID once again form 930 to 827. There is no "efuse" or similar on these units, bootloaders and rom can be rewritten in any moment,

    I saw that some members of this forum are expert at coding and in electronics, can we please work into making a file that restore the unit's ROM to it's original state?

    Thatnks Alot.

 

 

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