Microsoft rolls out Windows 10 Mobile build 15240 to the Fast ring, with new emoji August 9, 2017 by admin Tweet Microsoft has announced the rollout of Windows 10 Mobile Insider Preview build 15240 to phones in the Fast ring – but not everyone will be able to install the new build immediately. Read more… Neowin Related Posts:Windows 10 22H2 Insider Release Preview Build…Windows 11 Insider Preview Build 22621.575 and Build…Windows 11 Insider Dev Channel build 23619 adds a…Windows 11 Insider Canary Channel build 27686 has…ISOs for Windows Server Insider Preview build 25217…