If your iPhone has no sound, here are several steps you can follow to troubleshoot and fix the issue:

1. Check Silent Mode

  • Toggle the Ring/Silent switch on the left side of your iPhone. If the switch is showing orange, Silent Mode is enabled. Flip it back to Ring Mode.

2. Check Volume Settings

  • Increase the volume using the volume buttons on the side of your iPhone. Also, make sure the volume is turned up in settings: go to Settings > Sounds & Haptics, and drag the Ringer and Alerts slider to adjust volume.

3. Disable Do Not Disturb

  • Make sure Do Not Disturb is turned off. Go to Settings > Focus > Do Not Disturb, and ensure it is disabled, or check in Control Center by swiping down from the top-right corner of your screen (or up from the bottom on older models).

4. Check Headphone Mode

  • Sometimes your iPhone may think it is connected to headphones. Plug in and remove your headphones a few times to try resetting the connection. If you have a Bluetooth device connected, disable Bluetooth from Settings > Bluetooth to see if that restores sound.

5. Restart Your iPhone

  • Restarting can resolve many software glitches. Hold down the power button (or volume up + side button on newer models) until the slider appears, then power off and restart.

6. Check Sound Settings for Specific Apps

  • Some apps may have their own sound settings. Open the app where the sound is missing and check its settings for volume or mute controls.

7. Reset All Settings

  • If the issue persists, you can try resetting all settings. Go to Settings > General > Reset > Reset All Settings. This won’t delete your data, but will reset system settings like Wi-Fi passwords and wallpapers.

8. Check for Software Updates

  • Ensure your iPhone is updated to the latest version of iOS by going to Settings > General > Software Update.

9. Clean the Speaker Grilles

  • Dust or debris can clog the speaker. Carefully clean the speaker grilles at the bottom of the iPhone using a soft brush.

10. Contact Apple Support

  • If none of these steps work, there may be a hardware issue with the speakers. Contact Apple Support or visit an Apple Store for further assistance.

These steps should help resolve most sound issues on your iPhone.