您的 iPhone是否^(Are)遇到音量随机波动或突然下降的情况？这个恼人的问题可能会影响某些功能或整个系统和应用程序。幸运的是，这个问题有多种潜在的解决方案。

从检查设置是否存在可能的音频冲突到更新软件和重置设备，我们将涵盖解决 iPhone 音量过低问题所需了解的所有内容。故障排除说明也适用于 iPad 和 iPod touch 上的类似问题。

1. 重新启动你的iPhone

执行快速设备重启是解决任何 iOS 相关问题（包括音量问题）的常见故障排除步骤。如果您还没有这样做，只需调用 Siri^{(invoke Siri)}，说“重新启动^(Restart)iPhone”，然后在确认弹出窗口中 点击“重新启动”即可。^(Restart)

2.强制重启iPhone

强制重启 iPhone 是一种简单而强大的解决方案，可以解决各种 iOS 故障，包括与音量控制相关的问题。与常规设备重启不同，此方法还可以解决可能导致问题的硬件相关异常。

要强制重启 iPhone 8、iPhone X 或更新机型：

1. ^(Quickly)依次 快速按下并释放音量增大和音量减小按钮。^(Down)
2. 立即按住电源^(Power)按钮，直到出现 Apple徽标。^(Apple)

如果您使用 iPhone 7 或 7 Plus，请同时按住音量调低^(Down)按钮和侧面^(Side)按钮，然后在看到Apple徽标时松开它们。在 iPhone 6s 等较旧的 iPhone 机型上，同时按住侧边^(Side)按钮和主屏幕^(Home)按钮。

3. 更新你的iPhone

安装最新的 iOS 更新不仅引入了新功能，还修复了导致 iPhone 无法正常运行的已知问题。例如，主要 iOS 版本的早期迭代（例如 iOS 16.0）通常充满错误，因此您必须在更新可用时立即安装它们。

如果您的 iPhone 音量持续减小：

1. 打开“设置”^(Settings)应用程序并点击“常规”^(General)。
2. 点击软件更新。
3. 点击下载^{(Tap Download)}并安装^(Install)以更新到最新版本的 iOS。

过时的应用程序也会干扰手机音量，因此最好安装所有可用的应用程序更新来跟进。为此，请长按主屏幕的App Store图标，点击更新，然后点击全部更新^{(Update All)}。

4. 取下 iPhone 手机壳

保护壳的设计^(Design)缺陷可能会造成产量低的问题。例如，如果材料太紧，可能会压迫 iPhone 的音量按钮并导致它们记录错误的输入。此外，它可能会阻碍扬声器并降低声音。

如果您的 iPhone 使用保护壳^{(using a protective case on your iPhone)}，请尝试将其取下并查看音量问题是否仍然存在。

5.禁用按钮更改

当您调低音乐和视频的声音时，您可能还会注意到通知和铃声音量降低。这是由于将音量按钮链接到 iOS 的两项功能的特定设置所致。

要阻止音量键影响铃声和警报音量：

1. 打开“设置”应用程序。
2. 点击声音和触觉。
3. 禁用“使用按钮更改”旁边的开关。

注意：接下来，使用铃声^(Ringtone)和警报^(Alert)音量下的滑块来调整通知和铃声音量级别。

6.禁用注意力感知功能^{(Attention Aware Features)}

配备 Face ID 的 iPhone^{(Face ID-equipped iPhones)}使用TrueDepth 摄像头系统^{(TrueDepth camera system)}来检查注意力意识，并在您直视屏幕时降低铃声和警报音量。如果你不喜欢这样：

1. 打开“设置”^(Settings)应用程序，向下滚动，然后点击“面部识别码^{(Face ID)}和密码”^(Passcode)。
2. 输入您的设备密码。
3. 关闭“注意感知功能”^{(Attention Aware Features)}旁边的开关。

7. 取消配对并重新连接蓝牙设备^{(Reconnect Bluetooth Device)}

如果仅通过蓝牙^(Bluetooth)耳机或扬声器音量持续下降，则原因可能是蓝牙设备缓存损坏。^(Bluetooth)忘记^(Forget)并将有问题的设备重新连接到您的 iPhone 以解决问题。要做到这一点：

1. 打开“设置”应用程序。
2. 点击蓝牙。
3. 点击耳机或扬声器旁边的 信息图标。^(Info)
4. 点击忘记此设备。
5. 点击忘记设备进行确认。

1. 将耳机或扬声器置于配对模式，然后将它们重新连接到您的 iPhone。如果您使用的是AirPods，建议 在重新配对之前重置它们，以获得最佳效果。^{(resetting them before re-pairing)}

8.禁用降低大声功能^{(Reduce Loud Sounds Functionality)}

您的 iPhone 具有一项名为“减少大声^{(Reduce Loud)}”的辅助功能，可限制音频输出级别以保护您的听力。但是，它可能会导致音乐和视频播放期间明显的音量不一致。如果您想阻止该功能降低音量：

1. 打开“设置”^(Settings)应用程序并点击“声音^(Sounds)和触觉”^(Haptics)。
2. 点击耳机安全。
3. 禁用“减少大声”^{(Reduce Loud Sounds)}旁边的开关。

或者，保持降低大声^{(Reduce Loud Sounds)}功能处于活动状态并将声音限制设置为更高的分贝级别。

9. 禁用声音检查

如果问题仅限于本机Apple Music应用程序，则可能是由于Sound Check造成的。该功能可以在各个音轨之间保持相同的音频电平，但可能会导致音量过低的问题。要禁用声音检查^{(Sound Check)}：

1. 打开“设置”应用程序。
2. 向下滚动并点击音乐。
3. 禁用声音检查^{(Sound Check)}旁边的开关。

其他音乐流媒体应用程序可能提供类似的功能。例如，在Spotify中，转到Settings > Playback，如果音量太低， 请将音量级别设置为“大声”^(Loud)或“正常” 。^(Normal)

10. 执行出厂设置重置^{(Factory Settings Reset)}

如果上述修复均无效并且 iPhone 音量持续下降，则您必须将 iPhone 的设置重置为出厂设置。该过程不会导致数据丢失，但会将所有网络、可访问性和隐私设置恢复为其默认值，从而解决因设置配置损坏而导致的卷问题。

要将 iPhone 上的设置重置为出厂默认设置：

1. 打开“设置”^(Settings)应用程序并点击“常规”^(General)。
2. 轻点“传输”或“重置 iPhone”。
3. 点击重置。
4. 点击重置所有设置。
5. 输入您的设备密码并再次点击重置所有设置^{(Reset All Settings)}。

你还能做什么？

如果您的 iPhone 的音量问题仍然存在，并影响到从通话到音乐和视频的所有内容，请联系 Apple 支持^{(contact Apple Support)}或安排亲自前往Apple Store 零售店^{(Apple Store)}，检查您的手机是否存在可能的硬件损坏。

损坏的^(Corrupt)固件也可能是一个因素，因此如果您愿意，请尝试将back up the device to iCloud or a Mac/PC，并在 DFU 模式下恢复设备固件^{(restore the device firmware in DFU Mode)}。

iPhone Volume Keeps Going Down? 10 Fixes to Try

Are you еxperiencing random fluctuations or ѕudden drоps in volume on your iPhone? This annoying issue could affect certain functions or thе entire ѕystem and applications. Fortunately, there аre multiple potential solutіons to this problem.

From checking your settings for possible audio conflicts to updating your software and resetting your device, we’ll cover everything you need to know to fix iPhone low-volume issues. The troubleshooting instructions also work for similar problems on the iPad and iPod touch.

1. Restart Your iPhone

Performing a quick device reboot is a common troubleshooting step for any iOS-related issue, including volume problems. If you haven’t done so already, just invoke Siri, say “Restart iPhone,” and tap Restart on the confirmation pop-up.

2. Force Restart iPhone

Force-restarting your iPhone is a straightforward yet powerful solution to address a wide range of iOS glitches, including problems related to volume control. Unlike a regular device restart, this method can also tackle hardware-related anomalies that may be causing the problem.

To force-reboot an iPhone 8, iPhone X, or newer:

1. Quickly press and release the Volume Up and Volume Down buttons one after the other.
2. Immediately press and hold the Power button until the Apple logo shows up.

If you use an iPhone 7 or 7 Plus, hold the Volume Down and Side buttons together and release them when you see the Apple logo. On older iPhone models such as the iPhone 6s, press and hold the Side and Home buttons simultaneously.

3. Update Your iPhone

Installing the latest iOS updates not only introduces new features but also fixes known issues preventing the iPhone from functioning normally. For example, early iterations of major iOS releases, such as iOS 16.0, are often riddled with bugs, making it imperative you install newer updates as soon as they become available.

If your iPhone’s volume keeps decreasing:

1. Open the Settings app and tap General.
2. Tap Software Update.
3. Tap Download and Install to update to the latest version of iOS.

Outdated apps can also interfere with the phone volume, so it’s best to follow up by installing all available application updates. To do that, long-press the Home Screen’s App Store icon, tap Updates, and tap Update All.

4. Remove the iPhone Case

Design flaws in protective cases can create low-volume issues. For example, if the material is too tight, it can pressure the iPhone’s volume buttons and cause them to register false inputs. Additionally, it could obstruct the speakers and muffle the sound.

If you’re using a protective case on your iPhone, try removing it and see if the volume issues persist.

5. Disable Change With Buttons

When you turn down the sound for music and video, you may also notice the notification and ringer volume levels decreasing. This is due to a specific setting that links the volume buttons to both functionalities of iOS.

To stop the volume keys from impacting the ringtone and alert volume:

1. Open the Settings app.
2. Tap Sounds & Haptics.
3. Disable the switch next to Change with Buttons.

Note: Going forward, use the slider under Ringtone and Alert Volume to adjust the notification and ringer volume levels.

6. Disable Attention Aware Features

Face ID-equipped iPhones use the TrueDepth camera system to check for attention awareness and lower the ringtone and alert volumes if you’re looking directly at the screen. If you don’t like that:

1. Open the Settings app, scroll down, and tap Face ID & Passcode.
2. Enter your device passcode.
3. Turn off the switch next to Attention Aware Features.

7. Unpair and Reconnect Bluetooth Device

If the volume keeps dropping over Bluetooth headphones or speakers only, a corrupt Bluetooth device cache could be the reason. Forget and reconnect the problematic device to your iPhone to fix the issue. To do that:

1. Open the Settings app.
2. Tap Bluetooth.
3. Tap the Info icon next to the headphones or speakers.
4. Tap Forget This Device.
5. Tap Forget Device to confirm.

1. Put the headphones or speakers in pairing mode and reconnect them to your iPhone. If you’re using AirPods, resetting them before re-pairing is recommended for the best results.

8. Disable Reduce Loud Sounds Functionality

Your iPhone has an accessibility feature called Reduce Loud Sounds that limits the audio output level to protect your hearing. However, it could cause noticeable volume inconsistencies during music and video playback. If you want to stop the feature from pushing down the volume:

1. Open the Settings app and tap Sounds & Haptics.
2. Tap Headphone Safety.
3. Disable the switch next to Reduce Loud Sounds.

Alternatively, keep the Reduce Loud Sounds feature active and set the sound limit to a higher decibel level.

9. Disable Sound Check

If the problem is isolated to the native Apple Music app only, it could be because of Sound Check. It’s a feature that maintains the same audio level across tracks but can result in low-volume issues. To disable Sound Check:

1. Open the Settings app.
2. Scroll down and tap Music.
3. Disable the switch next to Sound Check.

Other music streaming apps may offer similar features. For example, in Spotify, go to Settings > Playback and set your Volume level to Loud or Normal if the volume’s too low.

10. Perform a Factory Settings Reset

If none of the above fixes work and the iPhone volume keeps going down, you must factory reset the settings on your iPhone. The procedure does not lead to data loss but does restore all network, accessibility, and privacy settings to their default values, resolving volume problems caused by a corrupt settings configuration.

To reset the settings on your iPhone to factory defaults:

1. Open the Settings app and tap General.
2. Tap Transfer or Reset iPhone.
3. Tap Reset.
4. Tap Reset All Settings.
5. Enter your device passcode and tap Reset All Settings again.

What Else Can You Do?

If your iPhone’s volume problems persist and affect everything from phone calls to music and videos, contact Apple Support or schedule an in-person visit at an Apple Store and get your phone examined for possible hardware damage.

Corrupt firmware can also play a factor, so if you’re up for it, try to back up the device to iCloud or a Mac/PC and restore the device firmware in DFU Mode.

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