Xperia Z biggest problem

[panki009]

i got a problem on my Sony xperia z handset.After updating to new version of android my phone works fine for 2 days.But today i switch off my phone and its not switching it on.Its showing some maintenance mode symbol from past 1 hour.Please help me out on this.

[Henke]

That seems strange, have you tried to do a repair of the phone software?

Click on this link to get Sony PC companion:

http://www.sonymobile.com/gb/tools/pc-companion/

Before starting the repair, create a backup of your material.

Start PC companion, start "Support Zone", start "Update phone software" and click on "Repair".

Follow the on-screen instructions.