iPhone 5S 16GB Gold vibrator, flash, and rear camera not working.

Hi all,

iPhone 5S had broken screen, got it replaced but before replacement also rear camera didn't work, order new parts and placed everything back, screen works well, camera still no working also vibrator not working(power flex was replaced due whole reapair as well) so after all repair done still no Rear Camera, No Flashlight, no Vibrator and also Front facing camera????

Anybody got any idea what's goin' on with this phone???

Thanks in advance