Navigate to the Libris Portal in your mobile device's native web browser (Safari on iPhone, Chrome on Android).
Tap the hamburger icon and tap "Login" to log in if you are an invited user. Otherwise, you will be met with a prompt asking you for a password/to login later, when you attempt to download an image.
When you find a file you'd like to download from a gallery, tap the download icon at the bottom navigation bar.
If you found the file you'd like to download from search results, tap "More Info" then tap the word "Download".
Next, select which file size you'd like to download to your mobile device.
After tapping a file size, the image opens in a new browser tab. Tap on the image and hold to bring up the "Save Image to Camera Roll" option.
Once the image is in your device's camera roll, open it in third-party social sharing