Try this: with TV in standby keep pressed cursor up on the remote then press Power key on the front panel, this will make an hard reset. If this doesnt work, try enter service mode: Display key, 5, Vol+, Power, this with remote, Display is the key that represents an old 4:3 empty screen, then press 8, Mute, 0, this makes the hard reset, to exit turn off tv.
Guys I tried everything u suggested but I cant make the update to start..I cant enter the service mode also when try the combination and after pressing the 5 button on the remote the TV just power on.
Try to look for and select different USB flash drives, it won’t make sense that you found one on 1Gb, you need different manufacturers (with old controllers inside) so that the TV can determine.
Yes, you will also need to update (they have a main + T-con binding), then it’s easier for you to buy a native main + T-con kit the same as yours with the same matrix.
Before each attempt to update, you need to unplug the TV from the outlet and wait 20-30 seconds, then just turn on the power with the USB flash drive inserted.
Look for flash drives from the years when your TV was released, I have a very old Sony flash drive at 512Mb and never had a problem with updating old TVs.
Also, try cleaning the USB contacts on the TV itself (when unplugged) and on the flash drive itself.
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