First official edition for public use:
Version KW88_CS1_B_GSM_PHT_20171111
Download here goo.gl/yEGEKG
Please use SP Tools version SP_Flash_Tool_v5.1712_Win
Use Firmware Upgrade option and flash pre-loader
It will wipe your watch so be prepared.
It is needed for this new platform.
Do not try to flash to another watch - you will brick it !!
Sonia kindly provided this video to help - if in doubt please research this first.
As always - you flash firmware at your own risk!!