Missing Bluetooth Function

**Pornthap** · 2nd June 2012, 06:31 AM

I have 3760T US firmware and it doesn't work with POI & JCV for Thailand Map then I have update firmware to 3770TH the POI is working but I'm lose Bluetooth function on the unit currently my unit show 37xx instead of 3760

Can someone help me how to recover Bluetooth function on my unit

**catymag** · 2nd June 2012, 04:18 PM

What do you have in: Settings/Device/About/Model ?
Which firmware have you flashed and how ?

**ddabcd277** · 2nd June 2012, 05:24 PM

Try to find healty region 41 or figure out how to create updatedeviceconfig.xml or contact Alexander2010...

**catymag** · 2nd June 2012, 05:28 PM

I'm afraid he lost his model number, ifix date and preloaded maps codes. I hope he made a backup of nuvi NV.

**bpb** · 3rd June 2012, 03:14 AM

for this issue the xml does not help until correct the 37xx to 3770.
if no region 41 backup ... sorry for that..... may not able to do by your own.

for this case, either use other people region 41 which will have same unitID or contact Alexander2010 like ddabcd277's advice.

aekhong · 3rd June 2012, 03:30 AM

You can use other rgn41 from other 3700 unit and then edit unit id to original.
You will get 3760 model back but you will loss gma.
--------------------
Gma is intact If you have your original rgn41.
-------------------------------------

**bpb** · 3rd June 2012, 02:58 PM

sound like to get both the region 41 and the GMA from other unit ... locked map also.

**Pornthap** · 8th July 2012, 05:14 AM

Originally Posted by catymag

What do you have in: Settings/Device/About/Model ?
Which firmware have you flashed and how ?

Hi Catymag the model shown in Setting/Device/About/Model is 37xx. I'm flashed my unit to model 3770TH by using the procedure from another forum that they post the installation procedure just run unzip folder and extract to garmin drive then it will replace 6 files in the unit. After upgrade with this firmware my unit able to show POI but JCV still unable to show picture it just show pop up with gray box as well as I'm loss bluetooth function. I ever try to compare Garmin folder for GarminDevice.xml file from my back up and correct model to 3760T as well as adding some missing information but after save and reboot unit it will the existing one

aekhong · 8th July 2012, 08:06 AM

Flashing any firmwares won't cure your Nuvi.
The way is "rgn 41"

**catymag** · 8th July 2012, 03:01 PM

Originally Posted by Pornthap

Hi Catymag the model shown in Setting/Device/About/Model is 37xx.

You lost your model number, as said above by Aek , you should have backupped your Nv and reload it by sd in your nuvi to get it again like before.
(As written here: [Only registered and activated users can see links. ] at the beginning of starting post)
Alternatively you can convert it to 34xx and enable all the features by *.xml files (attached in the above post)
But it wont give you back your model number ,but it will make it usable for Webupdater and Mapupdater without editing GarminDevice.xml everytime.

That's why , I continuosly write" Read with care and try to understand what are you going to do" . We should backup nuvi's NV before flashing anything , now we know how to If something goes wrong ,we can restore it completely.

[Only registered and activated users can see links. ]

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