Sunan an-Nasa'i 4157
سنن النسائي#4157SahihJarir said:"I pledged to the Prophet to hear and obey and to be sincere toward every Muslim
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 ZaiSahih
In-book reference: 39:9