New Surface Laptop 3 firmware updates improve battery reliability for Intel models

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Microsoft has started rolling out new firmware updates for all Surface Laptop 3 models with Intel processors (via Neowin). The most notable fix that comes with the update addresses issues related to the Surface Laptop 3 automatic brightness adjustment at low brightness scenarios. The latest batch also aims to improve device stability and battery reliability.

For the owners of a Surface Laptop 3 with an Intel processor, the new firmware updates are available for devices running Windows 10 May 2019 Update, or newer. You can see the full changelog below:

  • Surface UEFI – Firmware: 7.124.140.0: Addresses issues related to the automatic brightness adjustment at low brightness.
  • Surface System Aggregator – Firmware: 14.310.139.0: Improves device stability and battery reliability.
  • Surface Integration Service Device – System devices: 6.94.139.0 Improves reliability related to the Surface App experience.
  • Surface Keyboard – Firmware: 14.102.139.0 Resolves keystroke repeat issues.

As always, the September 2020 firmware updates are being rolled out in waves, which means you might not get them right away. In case you missed it, the AMD powered Surface Laptop 3 devices also received new firmware updates earlier in the month, which fixed issues with battery reliability and more.

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