Sony has announced today about one of the latest Sony Xperia Tablet Z firmware update Version 10.3.1.A.2.67 that recently started to roll out to other sony Xperia Z series devices including the Xperia Z, ZL and ZR. the v10.3.1.A.2.67 update brings (display- camera-battery fixes and performance tweaks). The update only appears to be live for the LTE version of the sony Xperia Tablet Z (SGP321), so Wi-Fi owners will have to sit tight for a little longer.
