Thread: Garmin 3590LMT and Garmin Smartphone Link for iPhone

I'm afraid it's not possible, device Id is in NV: region 41, it contains Nuvi ID, all your maps codes, probably your Nuvi registration date on myGarmin and first satellite fix etc. Everything is in reg 41.
You can find device id in Garmindevice.xml, in Garmin folder, but it is written by NV every time you restart nuvi.
But many features are model related, in some models this can be changed flashing another modded flashable firmware and/or adding them modding region 140.
See [Only registered and activated users can see links. ] and following posts, but Neil wrote:" there's no change to Apps on device".
If you convert a 3790 to 34xx,for example, and enable features, Garmin apps will keep on seeing it as a 3790, but Webupdater and Mapupdater will download 34xx files and Smartphone link works with it.
Conclusion: IMHO the only option is not to change unit id, but convert Nuvi to another Nuvi model, but IMHO not possible and convenient for 3590.
See also: [Only registered and activated users can see links. ]

But I Googled a bit (always convenient to do it) read here:

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Originally Posted by catymag

But many features are model related, in some models this can be changed flashing another modded flashable firmware and/or adding them modding region 140.
If you convert a 3790 to 34xx,for example, and enable features, Garmin apps will keep on seeing it as a 3790, but Webupdater and Mapupdater will download 34xx files and Smartphone link works with it.

But this is little bit different from my question. I already have Smartphone Link app. inside my Nuvi 3590, more of than, I tested it with Android smarphone, that has installed Smarphone Link also. In this pair all work fine. But if you have installed same Smarphone Link from Appstore to iPhone, iPhone not able to connect my 3590, because it supported only 2013 series nuvi.

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Here also

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catymag, what you mean when tell about region 41 and region 140?

Originally Posted by serggio

catymag, what you mean when tell about region 41 and region 140?

Flash chip contains regions, every regions contain some infos. 41 is NV preprogrammed by Garmin with unit ID, 140 contains Nuvi features.
read [Only registered and activated users can see links. ]

Originally Posted by serggio

But this is little bit different from my question. I already have Smartphone Link app. inside my Nuvi 3590, more of than, I tested it with Android smarphone, that has installed Smarphone Link also. In this pair all work fine. But if you have installed same Smarphone Link from Appstore to iPhone, iPhone not able to connect my 3590, because it supported only 2013 series nuvi. ..........

As you now know, Garmin has stated that the 2012 range will never support the iPhone Smartphone link. Because this is not presently [and according to Garmin, never will be] in the 2012 series fw, unless some serious work is done by an outside fw expert, or Garmin changes their mind, that won't change. Actually, catymag did answer your initial question though. You were seeking a way to enable the Smartphone link from the 2013 series in your 2012 series 3590, and you wished to do this by changing your unit's ID to that of a 3597 for that purpose, correct? Caty has told you that's not feasible because the ID is stored in reg 41 [and it's a very bad idea to muck around with that]. She also points out that it is possible to change/enable some features by modding region 140 in some models. But that pre-requires that the feature is supported by the fw anyway and in the case of iPhone link it's not possible presently because it's simply not in the fw for your 3590 to begin with.