Some sellers may send you a Likebook Mars display claiming that it's for the Likebook Muses.

If so, please contact the seller or read reviews/descriptions, which will most likely mention having to transplant the pen digitiser over.

This is where this guide goes from "difficult" to "very difficult".

Here's how to tell:

Shiny back instead of a black back

3 connections instead of 4

"T80D" on the label on the back of the display, instead of "T78D"

The Likebook Mars (model T80D) is the predecessor to the Likebook Muses (model T78D), lacking pen input, and thus lacks a "Notes" tab on the Home screen's bottom navigation and a "Annotations" tab on the "Read" tab.