The subject, NFC Extended length function, has come up on the forum previously How to fix NFC Extended Length Function issues? - #4 by adaschma.
The associated issue
was only closed through lack of inputs, perhaps because then it was seen as a third party app problem.
A brief online search finds Open eCard: Extended-Length-Problem saying
Unfortunately the currently available NFC-enabled smart phones do not support extended length APDUs and consequently the verification of the card-verifiable certificate and hence the entire authentication protocol fails.
Unresearched but re ausweisapp.bund.de I find a supported devices page