You will have to modify the suffixesDict
NSMutableDictionary directly to change the widescreen suffix. Follow the example of the setiPadSuffix
method.
The default is "-widehd" and it used to be "-iphone5hd" in v2.1 rc and betas.
Don't ask why there's a non-HD suffix "-wide" - I can't think of a single way why one would want to use that, and there's no widescreen device that doesn't have a Retina display. It may simply exist due to internal code otherwise breaking as the code used to always check "HD" and then fall back to the "SD" variant of the same category. That's the only way I can explain why it exists.
Furthermore the "-widehd" suffix in itself should be rarely needed if an app is well designed with widescreen in mind. For example you could simply use the same widescreen background image on non-widescreen devices, and allow the image to be cut off on non-widescreen devices.