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Zembla

SMART TV LG55UF770TA

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Why do you want to upgrade?  There are so many people applied the upgrade and have issue with it.  There is a thread on how to downgrade.  If you don't have any problem with your current firmware, I suggest that you don't do the upgrade.  But, if you have to, it should be under Settings -> General -> About This TV -> Check for updates.

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My version is 04.00.40 and I don't have access to nothing, I can't create an account, can't download apps, can't do nothing and there's no content for our region, can I change it ?

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