SamyGO

... I have changed Auto Updates in normal menu set to OFF, and receive unwanted updates to T-GFSDEUC_1250.3 on my TV, and can not prevent. on Samsung Website is last T-GFSDEUC_1240.2 very strange. Yes, it's really strange, I did the same with auto update in normal menu (In service menu also not pos...

Hi
With stereo jack shema it works in both cases (like transmiter only and like transmiter and reciever)
I have tested with success.
One more thing, try to use WAV file which is INFO+FACTORY (from normal mode)

... maybe it checks for new firmwares only on startup and if you start with network unplugged it won't find a new firmware, but ***maybe*** when you plug networking back in, it skips checking for new firmwares... Just a hope... No, I already check this, as soon as internet (no network) is ON, TV is...

Yes, I have disable it in normal menu. Today I have check in: system -> auto update and there is a message that present FW is 1033 and there is new one 1034 Okay please keep it like this. I would like to checked if greyed OTN Support in service menu means auto update is by default ON (and there is ...

Regarding the auto-update process - surely it has to use the network to check for new firmwares. This means it can be intercepted at DNS level (and write a custom rule in dnsmasq (I assume most routers have the option of custom firmwares and give you the ability to change DNS responses), or at fire...

Yes, I have disable it in normal menu.
Today I have check in: system -> auto update
and there is a message that present FW is 1033 and there is new one 1034

55H7500 with firmware T-NT14UDEUC 1033.1 is possible ? Did you disable OTN support in your service menu, because on my 50HU6900 /both TVs are with the same board/ also with FW 1033.1 it is not possible anymore? Here is a screenshot for better understanding what I mean ;) http://forum.samygo.tv/view...

So for me game was over when I got TV, because I got it with this FW

Thank you for quick response. I didn't know about disabling of OTN support from Samsung /my fault/
Does it mean that TV will do an upgrade and I can not stop this process anymore, or with disabling of update from normal menu is more the enough?

I have check it and found on Service Menu -> "Options" -> "MRT Option" -> "OTN Support" -> .... and it is not active /can not change/
Only able to change OTA Support in the same submenu!