Sony Ericsson has unveiled a new firmware update for its v1.03.936.6 Xperia X1. ROM version has migrated from 1.02.936.3 to 1.03.936.6 and is labeled as R2A.  Users can install the update can be installed through Sony Ericsson Update Service. Sadly, there’s no word on what the official changes are. The good news says the X1 now boots quicker and attaches to network faster. For more details visit XDA-Developers forum.