Samsung released ZSLPG, another ICS 4.0.3 update, for Galaxy S2 I9100 in Hong Kong today and is available for upgrade via Kies and FOTA. the overall performance and smoothness is enhanced, and the IMAP problem is fixed. besides, Samsung HK now provides an official guide for FOTA although currently only Traditional Chinese version is available
firmware details:
base: I9100ZSLPG
csc: I9100OZSLPG
modem: I9100ZSLPG
build date: 6 April 2012
official upgrade guide: Traditional Chinese version
source: www.samsung.com/hk