Halacha Yomi(m) 37,38-

1)Between Az Yashir, and Yishtabach-one cannot stop, not even to place Teffelin, or Talit(KAf HaHayim Philagi,14:1).

2)When one says the Bracha of Yotzer Ohr, he should kiss the Teffilin of the hand, and not of the head(Kaf HaHayim Philagi, 14:2).