The five numbers of Mac models are A1931, A1932, A1988, A1989 and A1990, indicating two distinct ranges. The last three digits can include expected updates for the 13-inch MacBook Pro (with and without Touch Bar) and the 15-inch MacBook Pro, while the first two could refer to an updated 12-inch MacBook and a potential replacement for aging. MacBook Air, which Apple has gradually abanded.
According to rumors, Apple plans to introduce the new 13-inch entry-level MacBook in the secd half of 2018, which would replace the MacBook Air. Details have been scarce the rumored machine, but it could well belg to the 12-inch MacBook family, and model numbers A1931 and A1932 potentially reflect this.
It's unclear what the 13-inch MacBook would cost, but the MacBook Air sells for $ 999, a price Apple has not matched with the 12-inch MacBook and MacBook Pro.
The five new iPad model numbers are harder to decipher, but Apple is expected to launch new models of iPad Pro later this year with thinner edges, a faster processor, a new …