Soft Keys and Camera Help Please

[Scott Harris3]

Hi,

i recently had the screen changed on my S4, the rear camera works on start up but then when I go to use the front one, it causes it to crash and the camera no longer work at all.

I also changed the USB board, the phone now charges but does not show that it is charging in the battery indicator.

Also the soft touch keys are now unresponsive.

Any help would be much appreciated.

Kind regards,

Scott