Quote Originally Posted by 00001111 View Post
can XS++ 3.1 write CID53 to my k800i??

what the different between CID52 and CID53?
NO.

CID = This "number" defines the version of SE's protection present in the phone.New CIDs are deployed from time to time, for the sole reason of preventing them from beeing unlocked/flashed/tampered with by non-SE service tools.
Nice day