´It was narrated that Ibn ‘Umar said:` “I watched the Prophet (ﷺ) for a month, and in the two Rak’ah before Fajr he used to recite: “Say: O you disbelievers!” [Al-Kafirun (109)] and “Say: Allah is One.” [Al- Ikhlas (112)]
Hadith ReferenceSunan Ibn Majah / Establishing the Prayer and the Sunnah Regarding Them / Hadith: 1149
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:ضعيف, إسناده ضعيف, ترمذي (417) نسائي (993), أبو إسحاق عنعن, انوار الصحيفه، صفحه نمبر 418