@sassikonto & @valdan
you both need far+jdflasherCID53, xs doesn't support CID53
Read here : http://www.topsony.com/forum/far-man...html#post89845
but use files for K800
and for unlock Read here : Patching CID53 (DB2020)DB2010,2012 - Top Sony Forums
and here : Remove SIM-lock patch generator - Top Sony Forums