overheating xperia z1

[niroj]

my device was absoulutely fine few days ago.. then i upgraded the os from jelly bean to kitkat from software updrade.. now my phone is overheating and restrarting.. what should i do please help..

[Sam]

Hi and welcome to the community! Since you're new please be sure that you have checked out our Discussion guidelines.

If this is occuring as a direct response to the update it may be worth trying to relaod the firmware:

Please note that performing these steps will delete all user data except for your media files (photos, music and video).

If your handset is able to be powered on and unlocked you can follow the below steps to back-up your personal data prior to running the repair.

Backing up your handset

To back up your phone using PC Companion 
1. Go to Support  to install PC Companion on a Windows computer. 
2. When installed, start PC Companion on the computer. 
3. Connect your phone to the computer using a USB cable. 
4. Click Start under Backup & Restore. 
5. Follow the on-screen instructions.

Exactly what contents will be backed up may differ depending on phone model.
You can view detailed information about this as you follow the steps in the Backup & Restore wizard.

Running the software repair

Before you start you have to download the PC Companion software and install it on your PC.

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

Please ensure your phone is powered off and not connected to the PC when you begin this process. You are not required to connect the phone until after step 10.

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

2. Phone Software Update.

3. Start.

4. Repair Phone

5. Continue

6. Accept data removal

7. Next

8. Wait for prepare

9. Select Phone

10. Follow the connection steps