Default tablet 7 inch itouch i748 stock firmware

Hello ,,,
i need a full firmware for this tablet case it have a problem and cant load any thing and no logo also, if i try to install any universal Rom like "Universal_Uberoid" any version its freeze on yellow line "WM8850/8950 Android4.0 upgrading ..." or "WM8850/8950 Android4.1 upgrading ..."
finally now i have a winCE 7.0 but without TS if any way to flash it from winCE mode or stock firmware for it .
for more details about this model ( 7%20inch%20tablet )
Thanks ...