Recently, Surface Pro 4 devices received a second firmware update in July, but the new changes and improvements were unknown. However, you can now see exactly what was fixed and improved in the Surface Pro 4 update history page.

What’s new in Surface Pro 4’s latest firmware

According to the Microsoft changelog for Surface Pro 4, these are the new changes.

  • Marvell AVASTAR Bluetooth Radio Adapter – Bluetooth: 15.68.9114.29 implements changes to meet EU regulatory requirements.
  • Intel Iris Graphics 540 – Display adapters: 21.20.16.4627 improves DX12 and power performance.
  • Surface Embedded Controller Firmware – Firmware: 103.1744.256.0 improves system stability.
  • Surface Management Engine – Firmware: 11.6.25.1229 improves system stability.
  • Surface UEFI – Firmware: 107.1741.768.0 improves Wi-Fi performance when waking from sleep.
  • Marvell AVASTAR Wireless-AC Network Controller – Network adapters: 15.68.9114.29 implements changes to meet EU regulatory requirements.
  • Intel Smart Sound Technology (Intel SST) Audio Controller – System devices: 9.21.0.2102 improves video performance in some applications.
  • Intel Smart Sound Technology (Intel SST) OED – System devices: 9.21.0.2102 improves video performance in some applications.
  • Surface Accessory Device – System devices: 1.1.507.0 improves system stability.
  • Surface Pen Pairing – System devices: 3.0.0.1 enable Surface Pen simple pairing and features.
  • Surface Integration – System devices: 1.0.153.0 enables Power Slider feature improving battery life, and improving adaptive brightness feature.

The new July 2017 firmware update for Surface Pro 4 should download and install automatically. However, if you have not received the update on your Surface, then go to Settings > Update & security > Windows Update and try to force the download manually.

  • Surface Pro 4 | See at Microsoft