If your iPhone 8 isn’t ringing, playing sound, or is sending calls straight to voicemail, you’re not alone. These types of sound and call routing issues are more common than you’d think—and while some stem from hardware defects, many can be fixed with software tweaks. In this guide, you’ll learn how to troubleshoot and fix two of the most frustrating sound problems on the iPhone 8: no sound during calls and calls going directly to voicemail.
Problem #1: iPhone 8 Plus Has No Sound During Calls
Symptoms:
- The phone doesn’t ring
- No sound during phone calls
- Static or crackling noises
- Home button becomes unresponsive
- iPhone resets itself randomly or fails to power on
Fix #1: Reset All Settings
Resetting all settings will revert your device’s software settings to default without erasing data.
How to reset:
- Go to Settings > General > Transfer or Reset iPhone > Reset.
- Tap Reset All Settings.
- Enter your passcode and confirm.
This is often enough to resolve system-level conflicts or settings that might be affecting your speaker or sound behavior.
Fix #2: Factory Reset Your iPhone
If resetting settings doesn’t work, go a step further with a factory reset. This erases everything and restores the phone to its original state.
Important: Back up your data to iCloud or a computer before you proceed.
To factory reset:
- Open Settings > General > Transfer or Reset iPhone > Erase All Content and Settings.
- Enter your passcode and confirm.
- Wait for the phone to erase and reboot.
If the issue is caused by a buggy update or app corruption, this should fix it.
Fix #3: Contact Apple Support
If your iPhone is still under warranty and the issues started after an iOS update, and neither reset helped, it’s time to seek professional help. Avoid third-party repair shops—Apple may deny service if the phone has been opened by unauthorized technicians.
Problem #2: iPhone 8 Sends Calls Straight to Voicemail
Symptoms:
- Incoming calls go directly to voicemail
- No call notification or ringtone
- Voicemail messages appear hours later
Fix #1: Restart Your iPhone
Always start by restarting the device. It may sound basic, but it’s effective for clearing glitches.
Fix #2: Force Close the Phone or Voicemail App
If your voicemail app or phone app is glitching, try this:
- Double-press the Home button to access recent apps.
- Swipe up on the Phone or Voicemail app to close it.
- Reopen the app and test your call functionality.
Fix #3: Update Apps and iOS
Outdated software can cause major issues.
- Go to the App Store, tap your profile icon, and Update All apps.
- Then go to Settings > General > Software Update and install any iOS updates available.
Fix #4: Reset Network Settings
Network glitches could be interfering with incoming calls.
To reset:
- Go to Settings > General > Transfer or Reset iPhone > Reset > Reset Network Settings.
- Enter your passcode and confirm.
Fix #5: Contact Your Carrier
If calls still go to voicemail after trying all these steps, the problem may lie with your cellular service. Some carriers offer call filtering or voicemail forwarding options that may need to be adjusted. Contact your carrier’s support team or check your account settings.
Pro Tip: Make sure Do Not Disturb, Focus Mode, and Silence Unknown Callers aren’t enabled—these features can silently reroute calls without you noticing.
- Go to Settings > Phone > Silence Unknown Callers.
- Check Settings > Focus > Do Not Disturb.
If your iPhone 8 is still acting up after all these fixes, don’t ignore the possibility of hardware failure—especially if you’ve dropped your phone recently or noticed physical damage. Let Apple take it from there to avoid voiding your warranty.
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