"Enter" key doesn't work in chat

Dear Mojang,

 

My friend is annoyed by this bug in the game. Honestly, I'm not sure if the problem is from the game or his device. So in chat when he types something and then presses the "Enter" key, it isn't working. Please fix this since he isn't used to press the button on screen to say something and it makes him slower in chatting and gets him mad. Thanks!

 

Sincerely yours,

Ali GamingGuy