What does the second-hand tablet 99 mean by new?

The new meaning of the second-hand flat plate 99 is that there are no defects, no acceptable defects, no secondary defects and no serious defects in the attribute severity of the first-level test items.

Generally speaking, the new machine in 99 yuan is a product that JD.COM and Tmall have no reason to return or exchange for 7 days. Because they have been unpacked, they are handled by the new 99 machine.