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Sad pandas all-round for Xperia X10 series owners today. Sony Ericsson UK has revealed in a tweet that the X10 series won't be getting any further Android updates beyond the current 2.1 Eclair release.

Sony Ericsson reasons that "the features included in the Android 2.1 phone are on par with, and in many cases better than, a vanilla installation of 2.2". While that may be true of functionality, X10 owners will miss out on the performance improvements brought about by Froyo's JIT compiler and V8 Javascript engine. 

Sony Ericsson has incurred the wrath of customers in the past over the slow pace of OS upgrades for their Android devices. Xperia X10 devices have only just been updated to Eclair, having previously languished on the positively Jurassic Android 1.6.