There were also special variants throughout the Type 1 production. (en.m.wikipedia.org)
As was the case with other special variants of the OnePlus -LSB-...] (androidheadlines.com)
As was the case with other special variants of the OnePlus 5T, the Sandstone White model is a somewhat redesigned version of the most powerful member of the recently introduced flagship family, i.e. the one which ships with 8 GB of RAM and 128 GB of internal flash memory. (androidheadlines.com)