Specifications

iPhone 4 Symptom Charts — Sound Issues 70
2012-02-21
Sound Issues
No Ringer Sound
Known-Good Parts & Materials Required: Dock Connector to USB Cable, computer running
the latest version of iTunes with a known-good USB port
Quick Check
Symptoms Quick Check
• No ringer sound 1. On the device, go to Settings > General >
Software Update to verify device has the most
up-to-date software. If unavailable, verify by
plugging the device into iTunes.
2. Check that the ring/silent switch is set for ring
and not vibrate.
3. Check volume level with volume up/down
buttons.
4. Check Ringer/Alerts volume setting in Settings >
Sounds.
5. Clean speaker mesh. Caution: Compressed air
should NEVER be used to clean any part of an iOS
device. Use only an anti-static brush.
6. Restart the device.
Deep Dive
Check Result Action
1. Check for speaker audio.
Go to Settings > Sounds >
Ringtone and select a ringtone.
Does the device ring?
Yes Go to step 2.
No Determine if the issue is caused by
accidental damage. Refer to the Visual
Mechanical Inspection guidelines.
2. Erase all content and settings.
Go to Settings > General >
Reset > Erase All Content and
Settings.
Warning: This will delete all
user data on the device.
Go to Settings > Sounds >
Ringtone and select a ringtone.
Does the device ring?
Yes Issue resolved.
No Go to step 3.