4. Ṣalāh (Ritual Prayers)
٤۔ كتاب الصلاة
Ibn Umm Maktum used to pronounce Adhan at the behest of the Messenger of Allah ﷺ (despite the fact) that he was blind.
كَانَ ابْنُ أُمِّ مَكْتُومٍ يُؤَذِّنُ لِرَسُولِ اللَّهِ ﷺ وَهُوَ أَعْمَى
عَنْ هِشَامٍ بِهَذَا الإِسْنَادِ مِثْلَهُ