Not graded
Bulugh al-Maram 1346b
وَفِي لَفْظٍ لِمُسْلِمٍ, وَيَقُولُ: { بِسْمِ اَللَّهِ. وَاَللَّهُ أَكْبَرُ } (1765) .
4 - مسلم ( 1966 ) ( ج 3 / ص 1557 ).
In a version by Muslim, 'and would say Bismillah and Allahu Akbar.'
Cited in Bulugh al-Maram (No. 1346b).