Originally Posted by xendula
To get back to the original questions, because I just tried doing it with a US kindle and the German kindle store: the US store is the only one showing on a US kindle PW even with the latest firmware and it being available in Germany. There are no settings to change the storefront.
Have you tried displaying the menu bar, then selecting "Settings", "Device Options", "Language and Dictionaries", "Language", and set the language to "Deutsch"? Certainly, setting the language to "English (United Kingdom)" will result in the PW accessing the UK Kindle Store.