Editing screenshots in iTunes Connect after iOS app was approved

Question

In the iTunes Connect App Management interface -- how do I edit the screenshots for my localized (approved and live) iPhone app?

Unfortunately, the web upload form h

Answer 1

Apple support now got back with the (somehow not too satisfactory) answer:

If your app is currently for sale on the App Store, you will need to submit an update in order to change your app screenshots.

If you have any further questions regarding this, please let us know.