I am just looking for a low tech TV for my grandmum as those boxes we need to run older TVs with modern TV signal always break. The reality is, simple is only

I am just looking for a low tech TV for my grandmum as those boxes we need to run older TVs with modern TV signal always break. The reality is, simple is only available in the luxury segment. I am prolly going with a 'OK' brand one. Even thought I hated their ugly OS it is the only I've found so far that somewhat acts as a 'classic' TV.