Then i am unlucky as i have purchased one of those mids.
What do u mean "may fail"? In what way?
Did you test latest firmware?
UM2801-0.9.9-original222
I would not recommend to buy the M8 (aka SamPad M8) at the moment, [...]
Mass production is said to start end of June (means July), hopefully the second batch will have better quality and new firmware versions may fix many bugs.