Sunan Ibn Majah 3797
سنن ابن ماجه#3797Da'ifIt was narrated that Umm Hani' said:"The Messenger of Allah(ﷺ) said: (About saying) La ilaha illah - no deed takes precedence over it and it does not leave any sin
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniDaif
Muhammad Fouad Abd al-BaqiDaif
Shuaib Al ArnautDaif
Zubair Ali ZaiDaif
In-book reference: 33:141