Firmware downgrade for J Series

Here is information about customize your J series firmware.

globetrotter66
Posts: 2
Joined: Wed Nov 29, 2017 4:44 pm

Re: Firmware downgrade for J Series

Post by globetrotter66 » Wed Dec 06, 2017 4:37 pm

:-(

ITCertified2006
Posts: 1
Joined: Sun Mar 04, 2018 12:14 pm

Re: Firmware downgrade for UE32J5600AK

Post by ITCertified2006 » Sun Mar 04, 2018 2:16 pm

Hi All

Have a UE32J5600AK with firmware version 1520 - would like to downgrade if possible.

Could anyone recommend or advise if this is possible, did download HKMFDEUC to FAT32 Flash, but TV says no update available.

Thank You.

TwistedTimeLord
Posts: 1
Joined: Fri May 04, 2018 5:39 pm

Re: Firmware downgrade for J Series

Post by TwistedTimeLord » Fri May 04, 2018 6:00 pm

Ok I bought a UN65JS8500 (2015 model) and I love it. It's my first smart tv and I knew nothing about these firmware updates. I now have noticed that the 3D and overall performance of the tv Sucks since factory firmware has been upgraded from OTA updates. All I want to do is reset the firmware to what it was to when I first turned it on. The tv says its on v1530 as of today 2018/05/04. I now have auto update turned off. At one point last year, I thought someone hacked into it. Not even confident to have it connected to internet anymore. In the maintenance menu, should the screen type match the model/size? Mine does not. Its completely different.

I'm a pc tech but new to working on tv's. If I could get some guidance on how to just flash the Rom back to factory I would really appreciate it. The tv should store a master copy as a backup correct? Or do I have to download the version, I think it was 1401, don't quote me on that.
TIA.

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