Sony has responed to the yellow think display affectving some Xperia users. Sony Mobile has confirmed that a “small number of units” when subjected to temperatures above 40 degree Celsius develop a ‘yellow tint’. However, they have asked the worried user to get in touch with the local Sony Mobile service center and their device will be fixed, free of cost. Official statement from Sony Mobile is as below:-
Sony Mobile Communications has identified that the display on a limited number of Xperia S smartphones may show a slight yellow tint if exposed to temperatures above 40 degrees Celsius. This is limited to a small number of units and the cause of this has been corrected. Any consumer observing this slight yellow tint on the display of their Xperia S is welcome to contact their local customer service centre and Sony Mobile Communications will resolve this at no cost to the consumer.
If the display on your Sony Xperia S does not look quite right, perhaps you can ask for a replacement. The images below will give you a clearer idea as to what the aforementioned yellow tint should look like.
Source: Xperia Blog