This serial number is invalid.Please check the serial number and try again
It's a fake machine. Go to the shop to return it.
ask
If you can't find out, it must be fake?
ask
The last one is 0, not O, I found out
answer
It can't be found that there is no warranty. Apple officials will not sell machines without warranty. Even the official machines will be guaranteed for one year.Apple's machines are expensive. A few repairs will be enough to buy a new one.