We dinged Sony for shipping the Xperia Z with an old version of Android, but the company is catching up today by posting an upgrade to Android 4.2.2. Most owners receiving the update are carrying unbranded HSPA+ and LTE models at this stage, although there are reports of at least a few carrier-specific phone variants getting the refresh. As with the Xperia ZL update, most of the user-facing cha
