Update faild 4.4.2

[Abn]

i was updating my Xperia  Z1 and in the progres my lap top restarted in update progres
and now when i open my phone it show to me that my software update is not complete
i connected it again in the laptop to try again pc companion can't reupdate it
and my phone won't turn on again
so please give a soloution to my proplem so i can fix it please

[Jake-SonyXperia]

Hi Abn,

Welcome to the community! Since you're new please be sure that you have checked out our Discussion guidelines.

I am really sorry to hear about this, you will be required to perform a software repair on the device to fix this issue. Please perform the below instructions.

To repair the phone software

1.     Install PC Companion on a Windows PC from Support 

2.     In PC Companion, under Support Zone and click Start. 

3.     Under Phone Software Update, click Start.

4.     Click repair phone.

5.     Follow the on-screen instructions. 

I hope this helps resolve the issue.