Latest Samsung GALAXY Tab 10.1 (GT-P7503) - CHN firmware
Samsung GALAXY Tab 10.1 (GT-P7503) firmware for China (CHN): 1 build in the SamMobile archive, newest first. The latest is P7503ZCKL6 (Android 3.2, built 28 December 2011). Open a build to download it, or switch region with the country selector.