Microsoft is now rolling-out February firmware updates for Surface 3. The Firmware updates bring recalibration of touch panel along with Charging improvements. This is how you can update manually.

Step 1:Go to Start Windows logo, and select Settings > Update & security > Windows Update.
Step 2:Select Check for updates. If updates are available, they will install automatically.You may need to restart your Surface after the updates have installed.

Check below for detailed changelog.

Surface 3 Changelog:

February 2016 updates

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.