Photographs of the text is the next generation of iPhone PCB motherboard , which 9to5mac devoted to photographs were identified and concluded as follows : SIM card slot is one of the highest concentration of the components on the motherboard , according to experts this ratio iDeviceGuys iPhone 4/4S smaller , more closely connecting point , and speculated that perhaps the reason for using the new Nano-SIM format.

iDeviceGuys also clearly indicates that the battery connector has a five -pin , 4 -pin with different iPhone 4S (the fulfillment of the next generation of iPhone adjust higher capacity battery ) , and had more antenna connection , perhaps the next generation iPhone will be fulfilled become Apple's first LTE phone rumors.
Also display digital display instrument has been adjusted , which may correspond to the next generation iPhone will use a new display technology .

9to5Mac reason for this comes from a careful analysis of this have not been proven ( Wei Feng network ) forum posts , more because I believe this poster , as he had in August 2011 issued a true picture of the iPhone 4S motherboard , this ratio iPhone 4S officially unveiled a few months earlier .
In addition, because many other components ( including backplane ) has been exposed , NoWhereElse.fr made ​​a GIF image stitching , renderings as follows :

You can see the connection point with the motherboard connection point has been exposed backplane provides very consistent , so 9to5Mac these few pictures affirmed.