iOS: Launch image gets wrinkled in the center during a call/recording/hot-spot session
Just define a key in plist file will solve your problem
Status bar is initially hidden = YES
Seems like Apple "take" 4% of screen space from the middle of the screen (as far as I tested) to give it to status bar. Personally I faced this problem when using iPhone modem mode.
So if it is not critical for image to be centered vertically - the solution would be to place image above/below this "4% middle screen area".
Examples when image is cropped:
How image should look(image centered vertically & horizontally, width & height are fixed size)
Example when image looks as supposed to (but not centered) :