Sony Ericsson's flagship Android smartphone, the Xperia X10, has been plagued by laggy performance since we first laid eyes on it, but that won't always be the case; the company has confirmed repeatedly that upgrades (including a newer Android OS version) will come. However, it now seems that multitouch is not in the cards. "There's no multitouch in X10 – and I also can confirm that it's not only
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