Sahih Bukhari

Hadith #891

Narrated Abu Huraira:The Prophet (ﷺ) used to recite the following in the Fajr prayer of Friday, ""Alif, Lam, Mim, Tanzil"" (Suratas- Sajda #32) and ""Hal-ata-ala-l-Insani"" (i.e. Surah-Ad-Dahr)