Display Defect on Z

[masterparth]

I have a display defect which is little down near the sensor it can be checked in low light at night with full brightness and white background , there will be some darkness (the defect) check out in yours, it is everywere but can be seen in some conditions,
u can restart your phone at that time with xperia logo see and also view the side angle..
photos attached show the defect but i your device has it then check it.

[Uliwooly]

upload the picture on box.com and post the link here

[masterparth]

image is uploaded for more information

i am from india and i buyed it in april may be that lot has a display defect...

http://www.mediafire.com/view/nl23h765x044ha0/defect.jpg

[Uliwooly]

What if you try the basic? 

Repair your phone with 

Update Service (SUS)

PC Companion (PCC)

Bridge (for Mac)

Alternatives on How to backup Xperias

http://talk.sonymobile.com/thread/36355