I've done the dump of my K-R42 (MK888B, 2GB Ram 8GB Rom Quad Core RK3188 Cortex A9 Full HD Multi Media Player Android TV Box MK888 K-R42 CS918 EKB311B), updated firmware successfully but wanted to go back to my old firmware. I can't do it as Rom Flasher Tool 1.37 reads "systemFile is not existed". The same about userdata. These files ARE in the output folder. Actually all the files (images) were done successfully except for metadata as it was not there during dumping. I did flashing without those images and Flasher tool read ERROR: Download file failed. Now I can't load the Android system. Penquins appear and that's it. It does not go any further. More over, the PC does not recognize the device. How shall I revive the device?