Sunan an-Nasa'i 1778
سنن النسائي#1778SahihIbn Umar said:"Hafsah told me that the Messenger of Allah (ﷺ) used to pray two brief rak'ahs before Fajr, and that was after dawn had broken
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiHasan
In-book reference: 20:181