I have just updated my Windows Phone from 8.10.14157.200 to 8.10.14176.243.
How to get this update:
Download and install the Windows Phone Preview for Developers app. The app will configure your phone to point to our preview update servers so you can easily get the latest build on your phone.
Once the app got installed reboot the phone.
Go to Settings and click phone update.
It will start downloading the update.
[Make sure your phone has a WiFi connection and is fully charged if not get it connected to have the full charge.]