Originally Posted by donciclon
I'm absolutely sure a malfunctioning column of pixels is a definite reason to exchange but I've read that the erratic touch responsiveness of the screen is a common issue with Z1 owners. Just out of curiosity, do you have any such issue?
Yes, I had that issue and I sent back to repair mine but they didn't fine such a issue and they scratched my phone everywhere. I solved after the FW .136 fixed the problem and I don't see the issue anymore. Sometime seem like it losing the touch but slightly. No problem at all when I gaming.