Microsoft has released the September 2020 firmware update for Surface Laptop 2. The update includes no new features, as you’d expect from a firmware update. But the update does bring improvements — it improves the battery smart charging reliability. Beyond that, the update includes no bug fixes and performance improvements. You can read the full official changelog below.


Surface – Firmware – 145.603.139.0Surface System Aggregator – Firmware145.603.139.0

  • * Improves Battery Smart Charging reliability.

To download and install Microsoft’s latest September firmware update on your Surface Laptop 2, you can head over to Windows Settings> Update & Security> Check for updates.