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Re: TV D-Series Firmware Downgrade (SamyGO Proof of Concept)

Posted: Thu Jul 06, 2017 5:10 am
by Michal
Where the yellow stickers are

Re: TV D-Series Firmware Downgrade (SamyGO Proof of Concept)

Posted: Thu Jul 06, 2017 5:12 am
by daviddrf
Michal wrote:
Thu Jul 06, 2017 5:07 am
From the picture it's not good to see, I have to look at the schema
OK, the problem is I don't know where can I find the schema, sorry. I have been looking for it in the service manual but it seems that it doesn't appear. Anyone know where could it be please?

Re: TV D-Series Firmware Downgrade (SamyGO Proof of Concept)

Posted: Thu Jul 06, 2017 5:19 am
by daviddrf
Michal wrote:
Thu Jul 06, 2017 5:10 am
Where the yellow stickers are
Do you mean here (look at the red boxes please)?:

Image

Re: TV D-Series Firmware Downgrade (SamyGO Proof of Concept)

Posted: Thu Jul 06, 2017 7:58 am
by Michal
yes yes

Re: TV D-Series Firmware Downgrade (SamyGO Proof of Concept)

Posted: Thu Jul 06, 2017 10:21 am
by Michal
Michal wrote:
Wed Jul 05, 2017 7:22 pm
Hi. Please can not downgrade my UE40D5500 with firmware T-MST5DEUC-1027 dns 46.101.161.175. Server writes, error code 601. must the router also be set? Thank you for your response.
Please do the DNS server work? well thank you

Re: TV D-Series Firmware Downgrade (SamyGO Proof of Concept)

Posted: Sat Jul 08, 2017 7:45 am
by Michal
Please write me somebody that the DNS server works for downgrade 46.101.161.175. Well thank you.

Re: TV D-Series Firmware Downgrade (SamyGO Proof of Concept)

Posted: Sat Jul 08, 2017 9:42 am
by juusso
It does not work. Thank you.

Re: TV D-Series Firmware Downgrade (SamyGO Proof of Concept)

Posted: Sat Jul 08, 2017 10:22 am
by Michal
Please, and what works? Thank you

Re: TV D-Series Firmware Downgrade (SamyGO Proof of Concept)

Posted: Sat Jul 08, 2017 10:57 am
by daviddrf
Michal wrote:
Sat Jul 08, 2017 7:45 am
Please write me somebody that the DNS server works for downgrade 46.101.161.175. Well thank you.
Hello again. As I told you before I tried it and I am almost sure that's why my television was bricked, so I strongly recommend you (and other users) not to try that DNS server (again).
Michal wrote:
Thu Jul 06, 2017 7:58 am
yes yes
Thank you for the useful information. I removed the stickers in my mainboard and now I can confirm that those two chips are the same than Erdem on his UA40D6000 (viewtopic.php?f=23&t=2519): SDIN502-2G and KFG1GN6W2D.
I've been looking for the Internet and I found other people in a similar situation than me. For example:
https://www.plcforum.it/f/topic/210322- ... nt=1540519
I repeat the same question as before: wouldn't be possible to extract that BGA chip, reprogram it or replace it with another new BGA chip (same model) in order to avoid all the mainboard replacement? I've found firmware dumps in some russian pages like http://tel-spb.ru/remont-tv-lcd/samsung. It seems that these files were extracted using some programmer. In fact I think in other russian forums are talking about this (http://www.kenotrontv.ru/forum for example). The problem is I can't understand (read or write at this momment) in Cyrillic alphabet. Anyone has more information about this possibility please? Thanks in advance.

Re: TV D-Series Firmware Downgrade (SamyGO Proof of Concept)

Posted: Sat Jul 08, 2017 12:11 pm
by Michal
I have no fear of that, I do TV service,I have all the programmers including BGA chips.Your problem will be KFG1GN6W2D.