Please Help with M8S Goobang Doo to 5.1.1

Hello all,

I need help with trying to update my friends M8S Goobang Doo from 4.4.2 to Lollipop 5.1.1.

The former build # was M8S.BCM4335.201512011342, now it is M8S.BCM4335.201510131428 because I bricked it and restored it the current build.

The box says M8S but the board inside says"M8 V8_9 20151031. My biggest issue is I cannot seem to find a firmware for this box, I have tried about 6 different ones from different sources to no avail.

I have read a bunch of forums and watched videos all claiming they have the firmware and successfully upgraded their M8S's to 5.1.1 Lollipop. However when I follow their directions and using their firmwares nothing works, it either bricks box or just stalls it.

Can someone please help me with this especially with a proper 5.1.1 firmware.

The method mostly used to update was using the Amlogic BootCardMaker. I have tried once to use the USB Burning Tool method but the I was getting an error loading the image, and seemed like the app wasn't seeing the M8S box.

Please help! Any would be appreciated.

Thanks.