XXDMB3 is another update for Samsung LTE product in Singapore alongside the S3 LTE, and again the number of changes reported are the same as XXDMA8


firmware details:
pda: XXDMB3
csc: OLBDMA1
date: 7 Feb 2013


download links:
N7105XXDMB3 - MM1 - Singtel (by sammobile)
N7105XXDMB3 - SIN (by sammobile)
N7105XXDMB3 - STH - Starhub (by sammobile)
N7105XXDMB3 - XSP (by sammobile)