the left speakers on my new iphone x dose not work but the right soeaker works fine.

Hi

Go to i books download ios 11 user guide &iPhone X guide both are free.

Cheers

Brian 🇬-1F1E7;

If you are referring to the openings along the bottom edge, there is one speaker, one microphone.

Fix what? The left hand openings are for the Microphone, not speaker.