No subtitles on Netflix

For a while I haven’t had any subtitles on my netflex and read that it required a firmware update in order to show properly. I am currently using the default version that came with my apple TV Gen2 which is Jailbreaked


Now I decided to finally do something about it and noticed that you can only upgrade to 6.0.1 which you can’t jailbreak.


So my question is, is it possible t somehow fix netflix (or upgrade the part that affects network) without doing a full Firmware upgrade