Samsung has announced a surprise event on October 11th for a new Galaxy device. The invitation teases “4X fun,” via CNET.

It’s not entirely clear what device Samsung is teasing here. The company tends to focus its fall efforts on its annual Note flagship, but the invitation reportedly promises that “Samsung’s newest Galaxy device is bringing more ways to express yourself than ever before.”

Based on the teaser, it sounds like it may be something photography-related. Perhaps it’s a new midrange phone with four cameras? The return of the Galaxy Zoom? Or maybe even the foldable phone Samsung has been teasing?

We won’t know for sure until October 11th. But if the history of Samsung leaks is anything to go by, we’ll likely know the entire announcement long before then.