The iPhone 7 Plus remains one of Apple’s best-performing smartphones, with its fast A10 Fusion chip, beautiful 5.5-inch Retina HD display, and powerful dual-lens camera system. However, even a solid device like this can run into occasional problems — particularly with sound and notification glitches.

In this guide, we’ll walk you through some of the most common iPhone 7 Plus sound-related issues and how to fix them.

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Common iPhone 7 Plus Sound and Notification Problems (and How to Fix Them)

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iPhone 7 Plus Makes Text Sound Notifications Even in Silent Mode

Problem:
When the phone is set to silent or vibrate, incoming text notifications still make a sound — but phone calls only vibrate as expected.

Solution:
This is usually a glitch. Here’s how to fix it:

1. Force Restart Your iPhone:
   • Press and hold the Sleep/Wake and Volume Down buttons together.
   • Keep holding until you see the Apple logo, then release.
2. Check Silent Mode and Volume Settings:
   • Make sure the physical mute switch is properly engaged (orange showing means silent).
   • Also, lower the text tone volume in Settings > Sounds & Haptics.
3. Update iOS:
   • Go to Settings > General > Software Update to install the latest iOS version.
4. Restore Your iPhone:
   • Backup your data.
   • Perform a factory reset via Settings > General > Transfer or Reset iPhone.
   • Set up as new without restoring an old backup, to rule out software corruption.

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iPhone 7 Plus Left Speaker Not Working

Problem:
Users notice no sound from the bottom left “speaker” grill.

Solution:
Good news — this isn’t a fault!
The iPhone 7 Plus uses stereo speakers: one in the earpiece at the top and one at the bottom right.
The bottom left grill isn’t a speaker; it’s just there for visual balance.

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iPhone 7 Plus Automatically Plays Music When Disconnecting Charger or Headphones

Problem:
After unplugging the charger or headset, random music starts playing without opening an app.

Solution:

1. Force Restart Your iPhone:
   • Same method as above (Sleep/Wake + Volume Down).
2. Clean the Charging Port:
   • Use compressed air to clear dust or debris.
   • Dirt can confuse your iPhone into thinking headphones are still connected.
3. Reset Settings:
   • Go to Settings > General > Transfer or Reset iPhone > Reset > Reset All Settings.
4. Factory Reset as a Last Resort:
   • Backup your iPhone first, then erase all content and settings.

If the issue persists after a reset, have the charging port checked by a technician.

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iPhone 7 Plus: How to Mute Notifications During Calls

Problem:
While on a call, text or app notification sounds still play aloud.

Solution:
Currently, the only way to silence these alerts during a call is to manually flip the mute switch on the side of the phone.

• Slide the mute switch down (orange visible) before or during a call.

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iPhone 7 Plus Can Barely Be Heard By Caller

Problem:
People you call say you sound distant or muffled.

Solution:

1. Check Network Signal:
   • Make sure both you and the other person have strong reception.
2. Force Restart Your iPhone:
   • (Same as above)
3. Backup and Restore as New:
   • Especially if the issue started after a software update or app installation.
4. Inspect the Microphone:
   • Use a soft brush or compressed air to clear any dust from the bottom microphone area.

If the problem continues, a microphone hardware issue may be to blame. Visit an Apple Store or authorized service center.