[gyn77]

I had bad luck too with MGM.
I bought a 12018 cube version on June to run with 6s lipo with a feigao 9XL.

When arrived me, I connected 6s lipo, the esc made smoke soon.
So I sent my ESC back to MGM and they repairred in warranty my esc.
When the esc came back me, I did not succeed to make it work because I did not understand how to program it.

After many tests on yesterday, I understood this to program the esc:
1) turn on receiver while stick is at max backward (not at forward how tell the manual)
2) after 10 seconds the esc and the motor beeps x 3
3) stick at full forward, 1 beep
4) stick at full backward, 3 beeps
5) stick at neutral, 2 beeps
6) turn off

In this way, I have run with MGM at 2s, the same at 4s, but when I connected 6s lipo, at the first accelerated the Esc went in fire.

On this morning I sent again my ESC back to MGM...