Problems updating Android Xperia C1505

[BadgerMadras]

Hello

I hope you can help. I have tried updating Android 4.1.1 It just says could not update. I have downloaded 11.3.A.2.13 using WiFi and PC cable several times and it fails after restart every time. I have no idea why.

Thanks

Tom

[BadgerMadras]

On configuration screen

Rooting status:

Bootloader unlock: Yes