What to do if the iPhone speakers began to work worse / low sound level in iphone speakers

In this video I'll show you how to fix the problem with the speakers on your iPhone. You don’t need to take it to a service center and so on, very often the fault of poor sound is the most common dirt and dust that clogs the protective meshes of the speakers and prevents the sound from passing through normally. It is enough just to clean them with a toothbrush and wipe with an antibacterial wipe.
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I apologize for the level of my English, I am working on it and if you want to help me with this, I will be very grateful to you!
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