Caution: Be aware that upgrading your 8.4n garmin firmware    

Caution: Be aware that upgrading your 8.4n garmin firmware

Postby tanbam » Sat Aug 10, 2013 5:16 pm

Last night, I tried to upgrade my 2011 Garmin unit with the 4.14 firmware update, which resulted in a bricked navigation screen.

There are two updates floating around, one for the CTP13 (2013) units (v3.15 I believe) and one for the CTP2012 (2011-2012) units (v4.14).

I used the CTP2012 (v4.14) file, and my unit is stuck on the Garmin splashscreen with "Loader Loading..." text on the top. It will not boot any further.

I've tried a couple of things to try to reflash it, including re-flashing the entire Uconnect system with the 2011 update and for the heck of it even tried the CTP13 upgrade.

Nothing worked, so I've put in a request to Garmin to see if they can help me get the "correct" update file, but I'm not holding my breath since it's a OEM unit and I don't think they like people messing with them in the first place...

Luckily, this is my "spare" experimental radio, so if I can't get it working again it's not a huge problem.

In short, I would suggest that if you have no compelling reason to upgrade your Garmin firmware, you shouldn't do it. There are too many different builds out there to be completely sure that your update is 100% compatible. I think that it's safe to say that there are dozens of unique builds for each model depending on which week it was made.

This does NOT mean that there is any trouble updating your maps, this warning is only for using the "GUPDATE.GCD" file to update your firmware.
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Postby estoyloco » Fri Sep 06, 2013 12:54 am

Tambam so you bricked your CTP2012 using CTP2012 v4.14 firmware?

I guess I should consider myself lucky, since I updated my wife's CTP2012 with that same firmware a few months back.
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Re: Caution: Be aware that upgrading your 8.4n garmin firmw

Postby juanmalancia » Sat Jun 09, 2018 9:34 am

Dear all,

I've got a 2011 Lancia Thema, wich is mainly a Chrysler 300c, italian styled.
My navigation system is CPT12. Yesterday I tried to install CPT13 firmware and, as result, I've bricked my unit. It remains loading. Does anybody know how to solve it?

Does anybody keeps a copy of CPT12 firmware? Maybe I could reflash the unit and recover it.

Thanks a lot!
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Re: Caution: Be aware that upgrading your 8.4n garmin firmw

Postby pvrmarques » Sun Dec 20, 2020 12:32 pm

Does anyone has the firmware ctp2012?
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Re: Caution: Be aware that upgrading your 8.4n garmin firmw

Postby mcgaver45 » Wed Sep 14, 2022 9:24 am

METER YOUR VIN NUMBER
[Please Register or Login to download file]
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