The sound in the speaker has slowed down
Or is it that you've just got used to it, so it doesn't feel as loud anymore?
Or that there are better speakers you're comparing it to, making it sound relatively worse?
This phone have two speakers when I rotate my phone the the speaker sounds low and when the rotation off then sounds high that's why I am facing problem with my phone
Send feedback here : https://forums.oneplus.com/feedback/ .
Check your speakers for dirt or dust. Try checking with different ways like call, music, videos, online games. If still there's an issue, some connection might have got loose. So have a check of it.
Hope it is not hardware issue
I don't have that issue fortunately. Do you already clean the speaker grill?
It's better to visit service center and get confirm
Sim tray can replace by service center. Hope the cost of repair is affordable
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by dsmonteiro, 2021-07-16