first post here so please be patient with me.

Got my MK908 some days ago. It worked but XBMC didnt work in 1080p full screen. So i started to tweak around and got messed up.
1. I dont have the external WiFi Antenna
2. i dont see any version (V1 or V3) on the pcb board. Maybe need to remove heatsink but maybe its not necessary with your help.
3. on one chip i see AP6210
I dont get any signal out of my HDMI but i still can connect to Windows. Tried out severall flashes but no success.
So my next stupid question is: Whats the difference between the RK Batch tool and the 1.37 ROM tool?
There are complete .img files and then there are kernel...boot... etc img files. What do i really need to do in order to flah to lets say finless 1.4?
Maybe someone can help me to go back to factory settings and upgrade from scratch on?

Thanks so much!
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