Share your experience!
I was pluging my headset (MH410c) and when I play the music it didn't play any music in my headset can somebody help pls send what you can help to my e-mail amd pls put the subject line sloved xperia c3 Headset
Could you try different headphones?
Check if there's any dirt or something inside the connector
settings > apps > all > smartconnect > clear data > restart the phone
You can also repair the phone with PCC
Bridge (for Mac)
Alternatives on How to backup Xperias
http://talk.sonymobile.com/thread/36355
If PCC doesn't solve the problem, contact your local Xperia Care