[mothered]

@mothered I received the box of computer it's written 2,8kg on the box but on the box of cheap item it's written 2,1 kg, do you think that it's possible to do WI method ?

No.

700 grams Is too much of a variance.

I'm lost, maybe DNA it's better ?

Apple tend to release themselves from liability and tell you to deal directly with the carrier.