Possible causes for this issue:
• Phone might be in silent mode
• Phone ringtone might have been selected as ‘None’
• Phone volume could be set to lowest
• Issue with phone speaker
Troubleshooting:
Check volume of your phone by going through following settings, Menu > Device > Sound > Volume > Check Ringtone & notifications. Increase volume by dragging the slider halfway or full. You can also increase / decrease your ringtone and notification sound by pressing Upper / lower volume key.
Go to Menu > Device > Sound > Phone ringtone and select any specific ringtone. If Ringtone is set as ‘None’, you cannot hear and ring coming through.
If your still having problem, factory reset your XP6 by following options, Menu > Settings > Personal > Backup & reset > Factory data reset > Tap reset phone. Factory resetting your phone can solve this issue, back up your contacts, messages, photos, videos etc and factory reset the phone.
