Sony Xperia Z
Update phone software
You can update your phone's software when a new software version is available. Follow these instructions to update your phone's software.
Before updating your phone's software, it's recommended that you back up the phone memory. Click here for information on how to back up the phone memory.
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1Find "System"
- Press the menu icon.
- Press Update Centre.
- Press the System tab.
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2Update phone software
- If a new software version is available, it's displayed.
- Follow the instructions on the display to update your phone's software.