I got the same problem.. Can't even rename them manually. Windows 8.1 here.
Here is how to batch rename the wallpapers.
- Copy the zip file to your Android phone's internal memory.
- Use a file explorer to extract the zip file & put the wallpapers into a folder.
- Use free Quickpic (or any other free tool from Play store) to batch rename the wallpapers in one step.
Note: A few wallpapers are duplicated.
If you’re a Mac OS X user who frequently uploads screenshots, … more
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