hi,
I heard from a friend of me today, that berlin office takes atleast 4 months to change to in process.
his file changed to in process after 4 months, while mine already 6 months, and waiting. but after it turns to in process then it is a bit faster.
in his case he got medical request 2 and half month later after change in process.
then once we see in process then it is short waiting for the other processes.
best,