My touchscreen has stopped working.

[magega]

SO, this morning I grabbed my phone and tried to unlock it, but lock scroll didn't react to my touch. I rebooted the phone, and touchscreen returned to work for the first 2 or 3 minutes, but then it stopped again. I don't know what happened, cause my phone didn't fell on the ground or in the water. It just was lying on the table for the whole night before I woke up in the morning and found it like that.

[magega]

And forgot to mention, it comes back to work sometimes, but then stops again without rebooting.

[Sam]

Have you tried running an update/repair/

1. Before you start you have to download the PC Companion software from http://www.sonymobile.com/gb/tools/pc-companion/

and install it on your PC.

2. Once installed on your PC, double-click the PC Companion icon on your desktop to start the update.

Note! For some models you will be prompted to do a backup prior to the update and then restore.

3. Install and open PC Companion then select Support Zone.

4. Phone Software Update.

5. Start.

6. Repair Phone

7. Continue

8. Accept data removal

9. Next

10. Wait for prepare

11. Select Phone

12. Follow the connection steps

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[magega]

I;ve already tried that. It didn;t help. I gave my phone to warranty service.