Sunan Abi Dawud 1033

سنن أبي داود#1033Da'if

Narrated Abdullah ibn Ja'far: The Prophet (ﷺ) said: Anyone who is in doubt in his prayer should make two prostrations after giving the salutation

Scholarly Authentication

We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:

Al-AlbaniDaif
Muhammad Muhyi Al-Din Abdul HamidDaif
Shuaib Al ArnautDaif
Zubair Ali ZaiIsnaad Hasan

In-book reference: 2:644