I do have a workaround for you but of course I do not know if you are willing to make this
I assume you are German and are using the German soft-keyboard on your Apple device.
However, if you install the US keyboard along with the german one (iPad Einstellungen/Tastatur) you
can switch the language of your iPad keyboard on the fly with the globe button on the bottom left of
If you switch to US Keyboard you will have all the keyboard shortcuts on your german hardware as if
it were a US keyboard.
Now use the two keys to the right of the german P key. This is where  is located on the US keyboard.
You might have to re-configure your brain a little bit but for the long term - Luma’s base language and
developers speak English. So you might as well learn the position of the shortcut keys for an US
The letters are except for ZY at the same place anyway and which symbol you eventually have to press
on your german keyboard to achieve what you want shouldn’t bother you at all, I hope.
In your example case it is the Ü key and the next one to the right on your hardware.
It’s just a workaround or hack but I hope that helps