The following update will be listed as “System Firmware Update – 2/4/2016” when you view your update history.

When Surface updates are provided via the Windows Update service, they are delivered in stages to Surface customers. As a result, not every Surface will receive the update at the same time, but the update will be delivered to all devices. If you have not received the update then please manually check Windows Update later.

  • Surface UEFI update (v1.51116.78.0) recalibrates touch panel.
  • Surface Touch Controller Firmware update (v4.251.60.0) recalibrates touch panel.
  • Surface Platform Power Driver update (v2.1.36.1) improves charging.

Source: Microsoft Surface 3 update history | Surface firmware updates