iPhone Ultra is launching this fall, and a new leak says it will feature a tech innovation that’s been over 15 years in the making within Apple: liquid metal.

Apple’s first foldable iPhone, the iPhone Ultra, is just a few months away from launching.

Yesterday we heard for the first time that the new model will feature a vapor chamber for cooling. The same leak mentioned Apple being on track for a September release.

Now the same leaker, Fixed Focus Digital, has a new post on Weibo with another update.

Here’s the post, via Google Translate: