Ios after used Screen.SetResolution function screen lose response

Hey guys,does anyone meet this problem.when we used Screen.SetResolution set the Screen Resolution
at game start. the screen will stuck,but just ios,android is ok.and we used this function in unity.5.2.3 is work fine.is it a unity5.3.4f1 bug ? or we need do some other operation to solved?

http://forum.unity3d.com/threads/problem-with-forcing-1024x768-mode-on-retina-ipads.258668/
#8