Firmware downgrade for J Series

Here is information about customize your J series firmware.
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sectroyer
Official SamyGO Developer
Posts: 6017
Joined: Wed May 04, 2011 5:10 pm

Re: Firmware downgrade for J Series

Post by sectroyer »

momchetoi wrote: ↑
Sun May 03, 2020 6:02 pm
Hi, do you have any news about root or firmware downgrade for J samsung tv on firmware 1490 with blocked updates on router? :)
Yes, but a lot of work on my head :) For now I have good news for H users with blocked updates on router :D
I do NOT support "latest fw" at ALL. If you have one you should block updates on router and wait for it to STOP being "latest":)
If you want me to help you please paste FULL log(s) to "spoiler"/"code" bbcodes or provide link(s) to pasted file(s) on http://ctrlv.it/ Otherwise "NO HELP"!!!
If you want root DISABLE internet access to your device!!!!
DO NOT EVER INSTALL FIRMWARE UPGRADE !!!!
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notengo13
SamyGO Project Donor
Posts: 563
Joined: Mon Nov 30, 2015 12:31 pm
Location: Slovakia

Re: Firmware downgrade for J Series

Post by notengo13 »

sectroyer wrote: ↑
Sun May 03, 2020 8:53 pm
Yes, but a lot of work on my head :) For now I have good news for H users with blocked updates on router :D
I can test if you need something. :mrgreen:
UE48H6640 T-MST14DEUC 2781.0 root latestH --> 2130.0 skypeRoot-->0000-->2115.3 "Skype refueled" Root
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sectroyer
Official SamyGO Developer
Posts: 6017
Joined: Wed May 04, 2011 5:10 pm

Re: Firmware downgrade for J Series

Post by sectroyer »

notengo13 wrote: ↑
Sun May 03, 2020 9:18 pm
 I can test if you need something. :mrgreen:
I hope H root enabler should be available, so feel free to test :)
I do NOT support "latest fw" at ALL. If you have one you should block updates on router and wait for it to STOP being "latest":)
If you want me to help you please paste FULL log(s) to "spoiler"/"code" bbcodes or provide link(s) to pasted file(s) on http://ctrlv.it/ Otherwise "NO HELP"!!!
If you want root DISABLE internet access to your device!!!!
DO NOT EVER INSTALL FIRMWARE UPGRADE !!!!
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prezi
Posts: 3
Joined: Wed Nov 08, 2017 10:04 pm

Re: Firmware downgrade for J Series

Post by prezi »

I have problem with downgrade to 0000 from latest 1550 firmware on js9000 (T-HKPDEUC).
From 1530 is no problem.
Does anyone have new downgrade files for 1550 FW T-HKPDEUC ?
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diabl0w
Posts: 1
Joined: Mon Apr 17, 2017 6:46 am

Re: Firmware downgrade for J Series

Post by diabl0w »

prezi wrote: ↑
Fri Jul 10, 2020 4:47 pm
 I have problem with downgrade to 0000 from latest 1550 firmware on js9000 (T-HKPDEUC).
From 1530 is no problem.
Does anyone have new downgrade files for 1550 FW T-HKPDEUC ?
What are you using to downgrade T-HK firmware >1480? I thought this wasn't possible, but you claim to have done it from 1530?
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zosfer
Posts: 1
Joined: Sun May 02, 2021 9:36 pm

Re: Firmware downgrade for J Series

Post by zosfer »

prezi wrote: ↑
Fri Jul 10, 2020 4:47 pm
 I have problem with downgrade to 0000 from latest 1550 firmware on js9000 (T-HKPDEUC).
From 1530 is no problem.
HOW v1530 downgrade ???
Last edited by zosfer on Mon May 03, 2021 1:47 am, edited 1 time in total.
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sectroyer
Official SamyGO Developer
Posts: 6017
Joined: Wed May 04, 2011 5:10 pm

Re: Firmware downgrade for J Series

Post by sectroyer »

zosfer wrote: ↑
Mon May 03, 2021 1:36 am
 HOW v1530 downgrade ???
Yes.
I do NOT support "latest fw" at ALL. If you have one you should block updates on router and wait for it to STOP being "latest":)
If you want me to help you please paste FULL log(s) to "spoiler"/"code" bbcodes or provide link(s) to pasted file(s) on http://ctrlv.it/ Otherwise "NO HELP"!!!
If you want root DISABLE internet access to your device!!!!
DO NOT EVER INSTALL FIRMWARE UPGRADE !!!!
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