Surface Book 3 is now getting April 2021 firmware update

Microsoft is now pushing the April 2021 firmware update to Surface Book 3 devices. As expected, the new firmware update brings no new features but includes improved camera experience, Wi-Fi stability improvement, system stability improvements, improved power consumption, and more. You can read the full official changelog below.

Surface Book 3 April 2021 firmware update Changelog

Windows Update History Name	Device Manager Name	Version and Update
Intel Corporation – System – 42.18362.3.3541	Surface Camera Rear – System devices	42.18362.3.3541 Improves camera experience and power consumption during use.
Intel Corporation – Extension – 42.18362.3.3541	Surface Camera Rear Extension	42.18362.3.3541 Improves integration between system services.
Intel Corporation – System – 42.18362.3.3541	Surface Camera Front – System devices	42.18362.3.3541 Improves camera experience and power consumption during use.
Intel Corporation – Extension 42.18362.3.3541	Surface Camera Front Extension	42.18362.3.3541 Improves integration between system services.
Intel Corporation – System – 42.18362.3.3541	Surface Camera IR -System devices	42.18362.3.3541 Improves camera experience and power consumption during use.
Intel Corporation – Extension – 42.18362.3.3541	Surface Camera IR Extension	42.18362.3.3541 Improves integration between system services.
Intel – Camera – 42.18362.3.3541	Intel(R) AVStream Camera 2500 – Camera	42.18362.3.3541 Improves camera experience and power consumption during use.
Intel Corporation – System – 42.18362.3.3541	Intel(R) Control Logic – System devices	42.18362.3.3541 Improves camera experience and power consumption during use.
Intel Corporation – System – 42.18362.3.3541	Intel(R) Imaging Signal Processor -System devices	42.18362.3.3541 Improves camera experience and power consumption during use.
Intel – net – 22.20.0.6	Intel(R) WiFi 6 AX201 160MHz – Network adapters	22.20.0.6 Improves Wi-Fi stability.
Intel – Bluetooth – 22.20.1.1	Intel(R) Wireless Bluetooth – Bluetooth	22.20.1.1 Improves Bluetooth stability.
Surface – Security – 7.2.2.0	Surface Trusted Platform Module 2.0 – Security devices	7.2.2.0 Improves system security and stability.

The company recently rolled out the April 2021 firmware update to Surface Studio 2, Surface Pro 6, Surface Pro 7.

The new updates are rolling out right now and should be available for your Surface Book 3. You can go to Settings>Update and Security>Windows Update to download and install the update.