The battery life on XZs is not really good as you can see that the wakelocks is aggresively active when screen is off. Hardly the Screen on Time will go over 4 hours..
Another problem is the camera distortion as you can see in the example, red line is a straight line, one taken by XZs and another one taken by Xiaomi Mi 3.
Please help.. This is irritating me... Thanks.
Wakelocks even screen is off
Xperia XZs
Xiaomi Mi 3
https://www.scienceofamd.org/wp-content/uploads/2012/01/image-3-AmslerGrid.png
Same thing here. This is really annoying, there are distortions in several places and they're particularly bad in closeups. The same happens with the native Camera app and Open Camera. But as others have pointed out, in video mode the picture looks normal. It's like the image processor is trying to create artificial lens distortion to counter actual, physical lens distortion but it ends up just making things worse.
Edit: I'm also getting huge lens flares in some situations where a light source is hitting the lens from a certain angle.
Hey guys, I found out that the distortion problem only occurs in photo mode, when taking video, it seems like no sign of distortion. It should be system level camera module having some problems? Kindly help test it out also ya if it happens on your XZs too. 
@demonan wrote:Contacted support for this and sent them a screenshot. They said that it may be a firmware issue. They advised me to do a software repair. Cant do it at the moment since im busy. They added though, that if the software repair cant fix it, it has to be serviced at a xperia service center.
Gosh.. Software repair means fully wipe of the phone right? It's so inconvenient to do so as there are many data and messages to backup.. Couldn't they just test it on few of their own new XZs first and check if the same issue exists? 
@eXeon wrote:
@demonan wrote:Contacted support for this and sent them a screenshot. They said that it may be a firmware issue. They advised me to do a software repair. Cant do it at the moment since im busy. They added though, that if the software repair cant fix it, it has to be serviced at a xperia service center.
Gosh.. Software repair means fully wipe of the phone right? It's so inconvenient to do so as there are many data and messages to backup.. Couldn't they just test it on few of their own new XZs first and check if the same issue exists?
Yeah, software repair means exactly that. And I just tried a factory reset on my phone, to no avail. Guess I'll have to deliver this to the retailer. As to why Sony doesn't just test this themselves, the issue seems to be limited to a relatively small subset of phones. Or at least I think there'd be a whole lot more outcry if all their XZs and XP Premium phones had faulty camera hardware/software. It's likely that to get this thing going the defective units have to be delivered to Sony so they can really get to the bottom of this.
I really hope Sony gets this thing sorted out. Apart from these camera issues I've really liked this phone and I wouldn't want to get to the point where I have to exchange it to an altogether different model.
@EvilBagel wrote:Yeah, software repair means exactly that. And I just tried a factory reset on my phone, to no avail. Guess I'll have to deliver this to the retailer. As to why Sony doesn't just test this themselves, the issue seems to be limited to a relatively small subset of phones. Or at least I think there'd be a whole lot more outcry if all their XZs and XP Premium phones had faulty camera hardware/software. It's likely that to get this thing going the defective units have to be delivered to Sony so they can really get to the bottom of this.
I really hope Sony gets this thing sorted out. Apart from these camera issues I've really liked this phone and I wouldn't want to get to the point where I have to exchange it to an altogether different model.
Now this issue is not only for XZs but XZ Premium too. My friend just got his XZ Premium yesterday and I ask him to test his camera whether this issue exists or not, and yes, same happens to his phone. In some XZ Premium forums, users bring out this issue too. So I guess this issue applies to every devices with Motion Eye camera, just that most of the users didn't realize it as it's need some extra attention to figure it out. I have sent an support request email to my regional support center. Hope to get their useful response soon. 
Distortion still exist after 41.2.A.7.8 firmware update today
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