Upgrading your QIDI X-Plus firmware is a vital step in maintaining print quality, fixing software bugs, and unlocking new features like improved Wi-Fi stability or faster print speeds. Whether you have the original X-Plus, the X-Plus 2, or the Klipper-based X-Plus 3, the installation process is straightforward if you follow the correct steps. Step 1: Download the Correct Firmware

Before You Touch Anything: Two Critical Warnings

Here’s a solid, step-by-step blog post tailored for QIDI X-Plus owners. It focuses on safety, common pitfalls, and the official upgrade path.

Official Sources Only: Never update Klipper or other components through the Fluidd or Mainsail web interfaces. QIDI uses a customized "dirty" fork of Klipper; updating via standard repositories can brick your machine.

This is the most common method, especially if your printer is not connected to Wi-Fi or if you are performing a major system recovery.

If you want, I can: