If you have enrolled yourself in the Samsung Galaxy Beta program, then you might be getting a fresh Android 7.0 Nougat BETA update for the Samsung Galaxy S7.
The new version ZPLH claims to remove the Samsung Notes app that was added a couple of builds back, while also brings the usual bug fixes and stability improvements and of course, further improves performance.
The Touchwiz which was renamed to Samsung Experience version during the last major update, also seems to be removed, which is not quite a trouble.
While Samsung gets ready public roll out of Android 7.1.1, you can head over to settings>Software Update to download the update.
Check out our detailed hands-on review of the Android 7.0 Nougat update, and also full coverage of Nougat update device list