# Xiaomi Air Purifier RFID Reset ## Understanding Xiaomi Air Purifier RFID Technology Xiaomi air purifier RFID reset is a crucial process for maintaining your device's filter monitoring system. Many users, including myself, have experienced confusion when the purifier incorrectly indicates that a filter needs replacement. I recall a specific instance where my Xiaomi Smart Air Purifier Pro showed a filter error just two months after installation. My natural inclination for troubleshooting tech gadgets led me to investigate, and I discovered the RFID reset function—a skill that has since saved me considerable money and hassle. ### How the RFID Filter Recognition Works Xiaomi air purifiers use RFID (Radio-Frequency Identification) tags embedded in their genuine filters. This system allows the purifier to: * Authenticate the filter as an original Xiaomi product * Track estimated usage hours * Calculate remaining filter life based on air quality data and runtime ## Step-by-Step Guide for Xiaomi Air Purifier RFID Reset **Important Note:** Resetting the RFID counter is typically done when you install a **new, genuine Xiaomi filter**. Resetting with an old filter is not recommended as it disables accurate life tracking. ### Method 1: Standard Reset via Buttons 1. Ensure the air purifier is powered on. 2. Press and hold the **"Filter Reset"** button (often combined with the light button) for **3-5 seconds** until you hear a beep or see the filter indicator light reset. 3. The display should now show full filter life bars or reset the counter to 100%. ### Method 2: Reset via Mi Home App 1. Open the Mi Home app on your smartphone. 2. Select your Xiaomi air purifier from the device list. 3. Navigate to the filter status section. 4. Look for a "Reset Filter" or "Replace Filter" option and confirm. **A Fun Application:** I once used this reset knowledge in a friendly competition with a roommate to see who could better optimize appliance maintenance cycles. Properly resetting the purifier after installing a filter I purchased during a sale became a small victory in our household efficiency challenge. ## When to Perform an RFID Reset * After installing a brand new, genu