Extract the downloaded .zip or .rar file. You will typically see a folder named QD_Update . Copy this folder directly to the root directory (the main page) of your USB drive. Do not place it inside another folder. Step 3: Installation Methods Method A: The "About" Menu (Recommended for X-Plus 3)
Identify your specific model to download the matching firmware package from official repositories: qidi xplus firmware install
Do not immediately start a 20-hour print. After your firmware install and calibration, run a simple "XYZ Calibration Cube" from the SD card. Extract the downloaded
Newer models like the and some X-Plus 3 versions support over-the-air (OTA) updates. Connect your printer to a stable Wi-Fi network. Open Settings on the touchscreen. Tap Check for Updates . Do not place it inside another folder
: Ensure you have 3 files in the root directory: update.qd , ui.bin , and logo.bin (names may vary slightly by version).
You must source the correct .bin or .img file from the official Qidi GitHub or website.