Xperia T3 mute after screen lock

[thefirstprince]

I don't know what happen. I just bought Xperia T3 a couple weeks ago. Everytime I lock the screen, my phone turns mute, in every aspect. I can't hear a call, the phone is not ringing, I can't hear spotify, I can't hear key tone, everything's just mute. How to fix this beacuse it's kinda frustating.

Please help

[Thommo]

Try Settings then Apps then tap the 3 dots then tap on Reset app preferences then reboot and test - Once rebooted you may find that other settings you had will need to be changed

[thefirstprince]

Thanks. It works at first, but then my phone mute again. Any other suggestions?

[Phy]

Try Clearing the SmartConnect app data.

How to clear data on apps.
From your Home screen

1. Tap the Application screen icon.
2. Find and tap Settings > Apps.
3. Swipe to the All tab.
4. Find and tap on the SmartConnect app.
5. Tap Force stop > Clear data.
6. Restart the phone

[thefirstprince]

Thanks Phy,

But it's not working

[Phy]

Try repairing your phone with Sony PC Companion

Sony PC Companion.
http://support.sonymobile.com/us/tools/pc-companion/

[thefirstprince]

How to repair my phone with Sony PC Companion?

[_alexdon_]

Performing a software repair using PC Companion.The process will erase all internal memory.You might need to charge your device for about 1-2 hours before so the device has at least 80% battery.

Make sure the device is not connected to computer or laptop and turned off (sometimes you have to press power button and volume up until the device vibrates 3 times or on some devices you have to press the small button near the SIM tray or on the back of the device).

Open PC companion->support zone->phone/tablet software update->repair my phone/tablet blue highlighted.Follow the steps given,do not connect your phone until prompted to press volume down while plugging USB cable. If PC companion does not start the repair process, you might need to run it in compatibility mode with Windows 7 (in some cases XP).