How to change region and local set area (country code) on your Samsung TV using the service menu.
Be very careful while playing with these service menus, wrong value could brick your TV.
How to enter Service Menu with a smartphone : [ Ссылка ]

How to enter Service Menu with remote control : [ Ссылка ]

How to factory reset : [ Ссылка ]

How to enter hotel mode : [ Ссылка ]

How to check total run time : [ Ссылка ]

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