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How to fix an iPhone 8 Plus that has no sound or no audio outputs (easy steps)

Audio problems in mobile devices can be attributed to software glitches or faulty audio components (hardware damage). In new devices like the iPhone 8 Plus that has no sound, it’s more likely a software issue unless the problem started after you dropped your phone or got it wet. Many people have encountered no sound issue after implementing new software updates or installing new apps and contents. Apparently in these cases, the problem is tied to a faulty app or buggy updates you’ve recently installed. Should you need some more inputs on how to fix your iPhone 8 Plus that has no sound or no audio outputs that are mainly triggered by software glitches, then I have mapped out some highly recommended workarounds and possible solutions for you to try on. Feel free to refer to these walkthroughs when needed.

Drop by our iPhone 8 Plus troubleshooting page if you have other issues with your phone as we’ve already addressed the most common problems. If you need more help, fill up our iPhone issues questionnaire and hit submit to contact us.

First solution: Restart your iPhone (soft reset).

The first recommended simple solution to software-related issues including no sound problems on an iPhone is a device restart or soft reset. Aside from clearing up the internal memory, it also effectively fixes random errors inflicted by minor firmware crashes on your device. If you haven’t restarted your iPhone yet, then you must do so. For starters, here’s how to perform a soft reset on your iPhone 8 Plus:

  1. Press and hold the Side/Power button and either Volume buttons simultaneously for a few seconds.
  2. Release both buttons when you see the Slide to Power Off prompt.
  3. Drag the slider to the right to turn your iPhone off.
  4. After 30 seconds, press and hold the Side/Power button until the Apple logo appears.

A soft reset doesn’t affect any data from your iPhone’s internal memory so there’s no need to create backups beforehand. You can expect all your data to remain intact after the restart.

If the problem occurs only when using a certain application, try to force quit the faulty app and then restart your iPhone. It’s probably just a minor app glitch that usually occurs to any other apps, which can easily be remedied by a restart or two.

Second solution: Flip the ringer switch.

Sometimes the audio system is triggered by some factors to act weird thus becomes erratic. Aside from performing a soft reset, flipping the ringer switch from ring to silent mode and vice versa can likewise offer prompt solution. Here’s you should do the:

  1. From the top left edge of your device, flip the Ringer switch to enable Silent mode. In this mode, the sound is off and the switch is in red/orange position. A notification briefly appears on screen when silent mode is enabled and the phone is muted.
  2. After a few seconds, flip the switch again to switch your iPhone back to ring mode.

If the switch appears to be stuck, try to remove any case from your device  to make sure nothing blocks the switch. Some third party casing may not really fit the actual physical scheme of your iPhone so won’t fit perfectly. After removing any casing, restart your iPhone and then test to see if you can now hear sounds. Make sure that the volume is not set to a very low level. You can press the Volume Up or Volume Down button on the side of your iPhone to determine if it has something to do with the volume level. You can also manage the audio settings on your iPhone and make some necessary adjustments.

Third solution: Disable Bluetooth on your iPhone 8 Plus.

If your iPhone is paired or connected to a Bluetooth accessory, it is possible that the sound is bypassed to the Bluetooth device like a BT headset or car stereo for instance. To make sure this isn’t the underlying cause, disable Bluetooth on your iPhone 8 Plus. Here’s how:

  1. Tap Settings from the Home screen.
  2. Tap Bluetooth.
  3. If Bluetooth is turned on, tap the Bluetooth switch to turn the feature off. This will disconnect your iPhone from any Bluetooth devices it was previously connected to.

Alternatively, you can remove or forget all Bluetooth devices that are saved in your phone. Doing so will prevent any of them from causing issues especially when the phone system is glitching.

If your iPhone still has no sound after doing all the above procedures, then you may need to consider performing resets at this point.

Fourth solution: Reset all settings on your iPhone 8 Plus.

Some bad apps and buggy software updates automatically override your current settings. And when this happens, there can only be two possible outcomes — either good or bad. Apparently in this case, it yields to a bad outcome as your device suddenly lost its audio functions. Should this be the root cause of the problem, resetting all settings on your iPhone 8 Plus can help. Here’s how it’s done:

  1. Tap Settings from the Home screen.
  2. Tap General.
  3. Scroll to and tap Reset.
  4. Select the option to RESET ALL SETTINGS. This option deletes all your settings and restore them to their default values without affecting your iPhone data.
  5. Enter your device passcode to continue.
  6. Then tap the option to confirm all settings reset.

Restart your iPhone after the reset is finished then test to see if your iPhone is now making a sound.

Fifth solution: Restore your iPhone 8 Plus to its factory defaults.

Your last resort if all else failed to fix no sound problem your iPhone 8 Plus is a full system reset or factory reset. This will wipe everything out from your iPhone’s internal storage including errors and glitches that might have caused audio system malfunctions on your device. Before you proceed, be sure to back up all your important data for safekeeping. Once you’ve got the backup completed, follow these steps to perform a factory reset through your iPhone settings:

  1. Tap Settings from the Home screen.
  2. Tap General.
  3. Scroll to and tap Reset.
  4. Select the option to Erase all content and settings.
  5. Enter your device passcode to continue.
  6. Then tap the option to confirm reset.

Alternatively, you can use iTunes to factory reset your iPhone 8 Plus or perform an iOS restore through recovery mode if necessary. You will need to secure a computer with the latest version of iTunes software installed to get started. A step-by-step walkthrough on how it’s done can be found on our iPhone 8 Plus Tutorials page.

Seek more help

Escalate the problem to your carrier or Apple Support if it started to occur after installing a new software update on your iPhone and that it persisted after performing all prior methods. The new update might have contained complex bugs that adversely affect the audio functions of iPhone 8 Plus. If verbal recommendations won’t suffice, then you can just take a trip to the nearest Apple Genius bar in your area and then ask an authorized technician to assess your device, determine what went wrong and finally get it fixed.

Connect with us

If you need more help with the use of certain functions and features of the new Apple iPhone 8 smartphone, feel free to visit our Tutorial Page. There you can find a list of how-to contents, step-by-step tutorials, as well as answers to FAQs regarding iPhone 8. If you have other concerns or encountered some troubles while using the phone, you can reach us through this form. Just be sure to tell us more details of the problem or device issue(s) you may have and we will be more than happy to assist you further.

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