Only attempt if you have obtained a verified BIOS file from Mecer or a trusted source.

Do not rename this file, as the system looks for the specific "update.zip" naming convention to initiate the flash process. Step-by-Step Installation Guide

Before seeking an update, document your existing BIOS:

The Xtreme S6 appears to share firmware with the or ZHUOHAO Mini PC N5095 .

Firmware updates for the S6 must be sourced carefully from the original ODM, requested from Mecer support, or identified via motherboard/critical components. Incorrect BIOS flashing can permanently brick the device.