Hadith 2591
Narrated Al-Bara ibn Azib: Yunus ibn Ubayd, client of Muhammad ibn al-Qasim, said that Muhammad ibn al-Qasim sent to al-Bara ibn Azib to ask him about the standard of the Messenger of Allah ﷺ. He said: It was black and square, being made of a woollen rug.
Hadith 2592
Narrated Jabir ibn Abdullah: When the Prophet ﷺ entered Makkah his banner was white.
Hadith 2593
Narrated Simak ibn Harb: Simak reported on the authority of a man from his people, on the authority of another man from them: I saw that the standard of the Messenger of Allah ﷺ was yellow.