VIVO X300 Pro: Troubleshooting No Sound During Calls

Troubleshooting Call Audio Issues on VIVO X300 Pro

• 🔊 Increase call volume by pressing the volume up button and ensuring the call volume indicator (phone icon) is full.
• 🗣️ Enable the speaker during a call to test if audio is being routed correctly.

Physical Checks and App Testing

• 🧼 Clean the earpiece and speaker area with a soft brush, after removing the protective case, to clear any debris.
• 📱 Test with another call or an application like WhatsApp to determine if the issue is specific to the phone app.

Software and Connectivity Resets

• 🔄 Restart the phone by holding the power and volume up buttons simultaneously and rebooting.
• 📶 Disable Bluetooth to rule out audio being rerouted to a connected device.
• ⚙️ As a last resort, reset network settings via System Management > Reset to resolve potential audio routing conflicts.