| Application | Mechanism | Outcome | | :--- | :--- | :--- | | | SN check against regional database | Approval or denial of free repair | | Counterfeit Detection | SN format check + database existence | If genuine SN returns wrong model or none → counterfeit | | Recall Management | Batch SN range lookup | Notify users of specific faulty batches (e.g., capacitor plague) | | Asset Tracking (Enterprise) | SN scanned into IT asset DB | Track lifecycle, lease returns, disposal | | Stolen Device Registry | Cross-check with law enforcement lists | Service center blocks repair and notifies authorities |

As ASUS moves toward Industry 4.0, serial number systems are evolving: