As March is approaching, everyone is looking forward to what should potentially be showcased in the mega event in Barcelona. With Samsung S6 and HTC One (M9) in light, Sony might also emphasize to discard all delays that were anticipated in the launch of Sony Xperia Z4. Previously it was rumored that Sony’s upcoming flagship might not appear in MWC. But the recently a source revealed the Conference date of the debut to be March 2.
There is very little info unveiled regarding the new device, assumingly there is a very little chance of appearance in the mobile Event. In this scenario, Xperia Z3 will be continued as current flagship. Probably that is why Sony announced the new purple version of device to keep things fresh.
Xperia Z4 is rumored to have Snapdragon 810 with 4GB RAM. It has 5.5 inch Display with either a Full HD or QHD panel. Hopefully Z4 can meet the MWC deadline which is likely to happen as it has recently passedJapanese wireless authority.

Sony MWC Conference Date is expected to be March 2