update

[HArpreet]

when pc prepare for update then dialog box opens in which written (Update failed consult sony support for asisstance

[Alexander1 · Accepted solution]

Can you elaborate a bit more? Is it PC Companion you are using?

If you are using PC Companion you can try with Update Service instead:

http://www.sonymobile.com/global-en/tools/update-service/

Also try to temporarily disable your firewall and antivirus during the update attempt.

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[HArpreet]

by using update service i  am able to update my phone