From 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)