Have not updated the phone yet.
1. How do you do the update ?
2. Is it necessary to take backup before doing update ?
Sometimes my touch doesnt respond when i lie the phone on my bed. I have to lift it up a bit and thne the touch starts working. If i put the phone down on the bed and touch a part of the phone then it works again, if i remove my hand touch stops responding properly again.. anyone got the same prob or just me ?
Sometimes my touch doesnt respond when i lie the phone on my bed. I have to lift it up a bit and thne the touch starts working. If i put the phone down on the bed and touch a part of the phone then it works again, if i remove my hand touch stops responding properly again.. anyone got the same prob or just me ?
I didn't take any backup.
Install the device software to your PC(Phone prompts this when USB is connected) and follow the instructions.
Here's a pictorial walk-through of the update process. I assume they are self explanatory so no text.
Xperia L Update - Imgur
It took me around an hour to update.