Share your experience!
The new software i installed in my xperia L is the Android 4.2.2 , i install it with pc Companion and since then my phonw has shown innumerable problems like the video recording stoping, i cant tranfer any information from my phone to my SD, the sound stop working every time, the screen blinks and doesnt work .... is the WORST decision i make when i "updated" my xperia , i hope you may fix this beacuse is a living **bleep** !!!!
I am sorry to hear this,I suggest a software repair via sony update service:
http://www.sonymobile.com/gb/tools/update-service/