Default Android 4.2 TV Box Quad Core XBMC RK3188 Mini PC Smart Media Player NEW VERSION

hi everyone god i need help lol ive got the above tv box love it to bits but i seen to have messed it up.
ive deleted google play and i think other apps from the root was trying to be clever and went wrong.

i reset the unit and google play was not on it now i sort of know a little as rooted and romed other phones ect.

but i realy unsure what to do, i realy need to find the orignal rom and instructions on how to do it can anyone help please..

this the the box in question.....

Android 4.2 TV Box Quad Core XBMC RK3188 Mini PC Smart Media Player NEW VERSION

i know i should not of played around and yes say it i know but guys pls help...
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