Default fix 17fps video recording

Anyone ever record a video and notice at 1080p it records at only 17fps.
Wasn't this phone advertised to do 30fps video recording?
Current Phone
Virgin Mobile HTC Desire 601
Rom: Stock 4.4.2

Previous Phones
Virgin Mobile Evo V 4G
Rom: Dirty Unicorns 4.2.2
HBoot: 1.40

Virgin Mobile LG Optimus V