Font profile doesn't work after updating to ios 7.1
Before updating to ios 7.1 I can see text written in unicode zawgyi font in applications by installing the font profile. But after 7.1, text written in zawgyi unicode font appears as ?????. Some said removing and reinstalling the profile may help but it doesn't. The font appeared for a while when I first opened the app just before the font profile is installed but after restarting the app it showed ????? again. Please help me fix this problem.
iPad, iOS 7.1, The sould in video is also muted.