I was reported that my application changes the font of the status bar on iphone 6. I tested on the emulator and I was able to recreate this problem as you can see on this video: http://screencast.com/t/KxVmMRC7
The application on the video is just an empty test so this seems to be happening by default. This happens only on iphone 6, never saw it on any other device.
I wonder if anyone is familiar with this behavior.
Basically your app enters to a scaled mode when you don't have the app's launch image for iPhone 6 and 6 Plus.
Take a look at this question on how to set the launch images correctly.