Microsoft has released a new firmware update for Surface Pro 3 devices that improve battery life during sleep. The update is for Surface Pro Embedded Controller Firmware and Surface Pro UEFI. Below is the official changelog for the latest firmware release.
- 22.214.171.124 improves battery life during sleep.
- 3.11.2150.0 improves PXE performance on IPv6.
You can head to Windows Update and download the latest update for your device or you can head to Surface Firmware Downloads Page here and download the update.
Do let us know your experience with the latest update in comments section