Why does my Facebook photo upload fail every time on my iPhone 5?

I recently got an iPhone 5 and this morning I tried to upload four photos to Facebook from my camera roll, but the progress bar would quickly reach 25% and then say "upload failed." I have enabled location services from Facebook (others' solution to this same problem) and it didn't work. How do I successfully upload photos?

If you are using Facebook app to upload photos, kindly update the app first. This issue will automatically be removed.