Since its launch, it has attracted IPhone 17 Pro Its larger version, the Pro Max, has garnered significant attention from users thanks to its impressive specifications and powerful performance. However, things aren't always smooth sailing. Many Apple phone owners have begun hearing a steady or faint humming sound from the speakers during charging, prompting their frustration and questions about the source and nature of this noise. Some describe it as similar to the sound produced by old radios, while others experience a crackling or hissing noise when browsing or even when no audio is playing on the device. Let's take a quick look at the reason behind this mysterious glitch that's bothering iPhone 17 Pro users while charging.

Distortion occurs during charging
Several users on Reddit have reported hearing strange noises on the iPhone 17 Pro and Pro Max models. According to their experiences, the sound resembles an electronic hum or the static that occurs when using older radios, and it is more noticeable while charging.
Reports indicate that some users noticed the noise when lowering the volume while playing audio content. Others confirmed hearing it even when no sound was playing on their phones. In other cases, the noise is faint and noticeable while browsing apps or scrolling through pages, increasing the sense of an underlying, unseen problem.
Shipping is the common factor

You can notice the common factor among most cases, which is connection IPhone With a power source. But the problem isn't limited to a specific type of charger; some users have reported it with various chargers, including Apple's original chargers. Even wireless charging via MagSafe wasn't immune, although the sound was less pronounced. Interestingly, disconnecting the phone from the charger often causes the sound to disappear immediately, reinforcing the theory that the fault is related to the power circuit or electrical insulation.
Replacing the devices did not solve the crisis.

Several users resorted to replacing their devices in the hope of resolving the issue, only to find the same sound returning in the replacements. This weakened the hypothesis of isolated defects and opened the door to the possibility of a design flaw or a widespread defect in certain Apple phone models.
Apple is aware of the problem.

According to user testimonies from those who contacted Apple support, the company is aware of the issue and has escalated it to the relevant teams. Despite recent iOS updates, the bug has not yet been clearly resolved. The reason for this may be that the sound is relatively faint and only noticeable to users with high sensitivity to sound, potentially making its spread more widespread than it appears.
Finally, the mysterious sound remains a puzzle for iPhone 17 Pro users and poses a new challenge for Apple in maintaining the reputation of its flagship devices. While users await an official explanation from the company regarding the nature of the bug, as well as an update to fix the issue, we will have to wait a few weeks for the release of iOS 26.3, which is expected to address and permanently resolve the problem.
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