There could be several reasons why your iPhone 12 Pro Max sounds muffled. One common issue is a blocked or dirty speaker opening. This can happen when dust, lint, or debris accumulates in the speaker grille. To check if this is the problem, you can visually inspect the speaker opening located at the bottom of your device.
If you notice any blockages or dirt, the first step is to clean the speaker opening. You can use a small, soft-bristled brush to gently remove any debris. Make sure the brush is clean and dry before using it to avoid introducing more dirt into the speaker. Gently brush the speaker grille in a downward motion to dislodge any particles that might be causing the muffled sound.
It’s important to note that on iPhones, there is also a receiver located at the top of the device, near the front-facing camera. If you’re experiencing muffled sound during phone calls, it’s worth checking if the receiver is blocked or dirty. Use the same method of visually inspecting and cleaning the receiver opening if necessary.
In some cases, the muffled sound issue may not be related to a blocked or dirty speaker or receiver. It could be a software issue, such as a glitch in the audio settings or an outdated software version. To troubleshoot software-related problems, you can try restarting your iPhone or updating to the latest iOS version.
If none of these steps resolve the issue, it may be worth contacting Apple Support or visiting an Apple Store for further assistance. They can help diagnose the problem and provide a solution specific to your device.
It’s important to keep in mind that this answer is based on general troubleshooting steps and may not address all possible causes of a muffled sound on an iPhone 12 Pro Max.