And in the comments, before anyone could watch, one user had already replied. Username: VoidRot .

(Caves & Cliffs: Part I) was released in June 2021, you cannot "officially" download it today through standard methods. Minecraft Wiki

: Some community projects like the Minecraft iOS Archive on Internet Archive maintain a history of official IPAs for preservation purposes.

by scrolling to the bottom of the Minecraft page and selecting 2. Sideloading (The ".ipa" Method) If you have an official