Sunan an-Nasa'i 666
سنن النسائي#666SahihIt was narrated that 'Uqbah bin 'Amir said:"I heard the Messenger of Allah (ﷺ) say: 'Your Lord is pleased with a shepherd high in the mountains who calls the Adhan for the prayer and prays. Allah says: 'Look at this slave of Mine; he calls the Adhan and Iqamah for the prayer and fears Me. I have forgiven My slave and admitted him to Paradise
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 ZaiIsnaad Sahih
In-book reference: 7:41