One of our authors also reached to Swiscomm and they re-confirmed the Windows 10 Mobile roll-out date as January 19, as can be seen in the below screenshot.
We already heard so many rumors about Windows 10 mobile release date. But all those rumors were wrong . And the latest rumor claims it will happen today. Now a carrier Swisscom says the update will roll out on January 19th.
Swisscom confirmed the date on Facebook. According to the carrier update is expected on the 19th January for existing Windows 8.1 users. Latest insider build will be the official update build, because till now there is no stopping bugs. According to our tests there is no major bugs in 10586.63 build. So we are sure this build is the update build.
Note : This is only for devices under Swisscom.