These are the latest release of Samsung Firmwares through Samsung Kies:
ZTO = Brazil P6210UBLP6/P6210ZTOLP2
INU = India N7000DDLR9/N7000ODDLR3
CHN = China I9228ZMLH2/I9228CHNLH2
OPS = Australia (Optus) I9100XWLPW/I9100OPSLP6
XSA = Australia I9100XWLPW/I9100XSALP6
Source:Samfirmware
