Sunan Abi Dawud 3117
سنن أبي داود#3117Sahihحَدَّثَنَا مُسَدَّدٌ، حَدَّثَنَا بِشْرٌ، حَدَّثَنَا عُمَارَةُ بْنُ غَزِيَّةَ، حَدَّثَنَا يَحْيَى بْنُ عُمَارَةَ، قَالَ سَمِعْتُ أَبَا سَعِيدٍ الْخُدْرِيَّ، يَقُولُ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " لَقِّنُوا مَوْتَاكُمْ قَوْلَ لاَ إِلَهَ إِلاَّ اللَّهُ " .
Narrated Abu Sa’id Al Khudri :The Messenger of Allah (ﷺ) as saying: Recite to those of you who are dying "There is no god but Allah
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Shuaib Al ArnautSahih
Zubair Ali ZaiSahih Muslim (916)
In-book reference: 21:29