How to Update any Sony Xperia Phones:
Download: Sony Xperia flash tool
FLASHING STEPS:
• To update the Sony Xperia mobiles OS, download the tool from here
• To install update first download sony update tool
• Select your mobile model and click next
• Now Switch OFF the mobile
• press Volume Down button and plug USB wire
• Now mobile detected on system
• Select software update and click on next
• Now OS will be download from the internet
• For this process you must have internet connection
• After updating switch on the mobile.
