Q- Is there any special virtue mentioned in the Hadith Sharif regarding keeping the name Muhammad, other than it being the blessed name of Nabi (sallallahu ‘alayhi wasallam).
The Hadith Masters clearly state that there is no such authentic Hadith. (Al-Manarul Munif, Hadiths: 80, 94, 95 and Lamahat min Tarikhis Sunnah, pg.168)
Muslims in general have a close attachment to the name Muhammad because of their love for Nabi (sallallahu ‘alayhi wasallam). This love is sufficient a motivation.
And Allah Ta’ala Knows best
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https://hadithanswers.com/any-special-virtue-for-keeping-the-name-muhammad/
https://hadithanswers.com/another-unreliable-narration-on-keeping-the-name-muhammad/
https://hadithanswers.com/a-narration-stating-a-virtue-of-the-name-muhammad-or-ahmad/