Low front speaker sound on iPhone 11 Pro Max (iOS 18.6.1)

I am using 11 Pro max and 2 days a go i facing this issue that my front speaker is not working properly means very low sound in it whenever i play the music, i clean the front and bottom speaker thoroughly and restart my phone several times in between my speaker working properly but few hours ago the speaker has same issue again,

1. i restart my phone several times
2. my iphone is updated on 18.6.1
3. my all apps were updated
4. i clean my front and bottom speakers.

but my issue is same please help me.

[Re-Titled by Moderator]

Original Title: i am using iphone 11 pro max and issue is that my front speaker has sounds very low suddenly i restart my phone several times but my issues wint be resolved