1. Go to the list of the items which you would like to update.
2. Tap the Item Actions button located on the left-hand side of the toolbar at the bottom of your screen.
3. Choose Copy items from the menu which pops up. Your items will now move over to the right and reveal their checkboxes.
4. Check the items which you would like to copy and tap the ✓ which is now located in place of the Item Actions button on the left-hand side of the toolbar at the bottom of your screen.
5. You will now be presented with a new item feed consisting of the duplicated item(s). You can now make any changes to the items. See Update item details.
6. When you are done tap the ✓ in the top right of your screen. Your new duplicated items will be added to the list.