iphone video playback issue

hi all
got iphone 4s jailbroken
unsure tweak had installed had affected video playing
whenever pause halfway in video , exit ipod,
when wan playback same video, auto start beginning again
tested few videos having same problem

settings > video
had confirm set start playing "where left off"

resping reboot done still unable playback pause video everytime.

know possible cause of problem?

 

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