Firmware build number I9103XWLA4 is the 1st but still Android 2.3.6 Gingerbread (not Ice Cream Sandwich) update released for Samsung Galaxy R GT-I9103 this year 2012 over Europe. This firmware is officially rolled out in Austria under Three/3 provider network.
This is a branded Stock ROM - made for 3 Carrier in Austria.But also includes European languages.
Build Date: January 19, 2012
Version: Android 2.3.6 Gingerbread
Stock ROM Download: GT-I9103_DRE__I9103XWLA4_I9103DRELA1_I9103NELA1
Credits to Przekret
If you want to give it a try and flash it to your Glaxy R devices from other countries you can get rid of the carrier 3 bloatwares by replacing the prepared CSC file to your region. This method is by using 'total commander' tool to change the CSC file. Here' one example that the CSC file has been changed to Germany Debitel default file.
Check out this guide here by Reddoors via XDA.
I9103 Galaxy R / Galaxy Z / Galaxy S II Tegra