Sunan Abi Dawud 1986
سنن أبي داود#1986SahihNarrated Ibn 'Umar:The Messenger of Allah (ﷺ) performed 'Umrah before performing Hajj
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Zubair Ali ZaiSahih Bukhari (1774)
In-book reference: 11:266