TCL 43U6406 firmware problem

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  • rtstorm
    Badcaps Veteran
    • Feb 2012
    • 971
    • Croatia
    #1

    TCL 43U6406 firmware problem

    Hello, i got this TV that show only logo at startup. I try putting new firmware but when i hold down power btn at statup to get flash proces, TV reboot itself and wont start flash proces. I use USB 4GB with FAT system file format. I downloaded original firmware from official TCL website. One time TV started the flash proces but it stuck at one point at stay there for hours. After that no luck with it. Is it possible that the chip went bad or there is other thing to consider?

    Board label: 40-MT58DU-MAB4HG
    Manifactuer of TV: TCL (also known as THOMSON 43UC6406)
    ...the quieter you become the more you are able to hear...
    Tags: None
    • nomoresonys
      Badcaps Legend
      • Jan 2013
      • 12075
      • U.S.
      #2
      Re: TCL 43U6406 firmware problem

      This may work, notice how he blows on it but just short bursts because obviously long breaths would just heat it up and you don't want that, you can also give it a shot of freeze spray and see if it stays on longer, to try and verify the issue: https://www.youtube.com/watch?v=bJ8HSLlOwA8

        Comment

        • rtstorm
          Badcaps Veteran
          • Feb 2012
          • 971
          • Croatia
          #3
          Re: TCL 43U6406 firmware problem

          I do not this that this is the problem here. When i put Update.zip on USB and hold pwr buttin when turning on then it say 'No update available' and stay there. If i put the 'V8-T658T01-LF1V551.zip' on stick it blink LED in stick and restart itself.
          ...the quieter you become the more you are able to hear...

            Comment

            • hopkok
              Senior Member
              • Oct 2014
              • 155
              • Slovakia
              #4
              Hi, did you solve it? Need firmware too.

                Comment

                • AlexVG
                  Senior Member
                  • Apr 2022
                  • 130
                  • SPAIN
                  #5
                  Hi,
                  Do you know keys places?
                  I have dump, and I can fix it. (dump is not the same that firmware)
                  However, TV loose Netflix access without keys transfer.
                  (Also you need to have a programmer for EMMC. It's not available with USB)

                    Comment

                    • 2informaticos
                      New Member
                      • Nov 2020
                      • 5
                      • Spain
                      #6
                      Hi AlexVG,
                      I have a friend in Madrid with a Thomson 43UD6406 which gets stuck in logo.
                      He said has found many bads on EMMC.
                      Can you help with working dump?

                      Thanks,
                      Vali.

                        Comment

                        • AlexVG
                          Senior Member
                          • Apr 2022
                          • 130
                          • SPAIN
                          #7
                          Originally posted by 2informaticos
                          Hi AlexVG,
                          I have a friend in Madrid with a Thomson 43UD6406 which gets stuck in logo.
                          He said has found many bads on EMMC.
                          Can you help with working dump?

                          Thanks,
                          Vali.
                          PM

                            Comment

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