New Google Photos update allows you to share videos faster, here's how it works
Here's how it works. Photos will first backup videos in a low-res preview quality. Naturally, the smaller size of the files will allow for quicker upload times. As soon as you're in an area with good coverage or a solid Wi-Fi connection, all low-res copies will be replaced with the original high-quality versions.
Of course, this feature will also be useful even if you're on a faster network. We can easily see it being employed for the backup of 4K video clips which are quite larger than those shot in Full HD.
This lightweight preview approach isn't all that new for Google Photos. The functionality was actually first introduced back in March with version 2.11, but back then, it only worked with image files.
If you want to take advantage of the new feature, make sure to visit Google Play and patch up to version 3.6 (link can be found below). It's important to note that the update is currently only available to the Android platform, but the iOS client should be updated soon.