2-room flat in Friedrichshain (ground floor) for 1.5/2-room

2-room, ground-floor flat in 10247. 57m2. Storage room is located inside the apartment. Warm rent is around 835€ excluding internet and electricity. Looking for an apartment (similar size and price) that is not on ground floor, in Friedrichshain, Kreuzberg, Alt-Treptow or Neukolln.