we have started rolling out a new firmware update for Lumia 950 and Lumia 950 XL: 01078.00038.16025.390xx. Key improvements in this release include:
- Stability fixes.
- Improvements for GPS reliability.
- Improvements for call audio quality.
The availability of this update may depend on your phone model, region or network service provider. At the time of writing this post, the update is available mainly for selected open market variants, but the rollouts should continue gradually during the coming days and weeks.
Windows 10 is updating continuously, so make sure you follow all the update notifications that appear on your phone. To check for updates, you can also tap Settings > Update & security > Phone update > Check for updates. For detailed update instructions, see.
If you are a Windows Insider user, see. Note: this does not affect general firmware availability.
To read more about the new features included in Windows 10 Mobile, see What's New in Windows 10 Mobile.