Merci B16B de xda
212xx = AKU1, all builds leading up to and including WM 6.5
213xx = MOT motorola
214xx = ???
215xx = SAM samsung
216xx = HTC htc
217xx = COM1, continuing dev of 6.5.0.1 - 6.5.0.40
218xx = COM2, continuing dev of 6.5.0.50
219xx = MD, feature test branch, pretty much dead now. (unstable features are added here, this tree is based on COM1, so older base OS code, but the UI/UX code is newer)
22xxx = SEMC sony ericsson
*230xx = COM3, continuing development
*234xx = COM4, appears to be abandoned.
*235xx = COM5, more GUI changes here.
*236xx = LG Electronics Branch
*24xxx = Possible HTC branch
*250xx= ???
*280xx, 282xx = WMD.