Could I flash original Firmware?

[miguel8e]

well, you can try with this

Extracting the FileSystem - Top Sony Forums

and to extract the main, you need to use the READ FLASH option with Setool2lite

SeTool2 Lite 1.11 - Top Sony Forums

with the FS and MAin's backup you can flash the other w880

this works if your backups is from another w880

see this to get the access to the download section

How to get access to Download Area? - Top Sony Forums

regards