T-Mobile Poland & Netherlands announce Windows 10 update for Lumia 640
Windows 10 Mobile starts rolling out to Lumia 640 in Poland
All T-Mobile customers in Poland who own a Microsoft Lumia 640 can expect the official Windows 10 Mobile update for their phones to arrive very soon, according to the carrier.
T-Mobile Poland announced an over-the-air update (software version 02177.00000.15184.36002) for the Lumia 640. The update will be released in waves, so not every phone will be upgraded from Windows Phone 8.1 to Windows 10 Mobile at the same time.
T-Mobile Netherlands also starts upgrading the old devices to Windows 10 Mobile. According to official support forums, the carrier will release OS version 10586.63 sometime between January 14 and January 21.
You can scan for an update by going to Settings → Phone Update. To start fresh and get the best experience with Windows 10 Mobile we recommend to hard-reset the phone after the update and to not use a back-up from Windows Phone 8.1 when setting up the phone.
Meanwhile, Swisscom has announced it will start rolling out the official Windows 10 update to its phones after January 19. Microsoft is also expected to release the update to some of the unlocked Lumia phones in the coming days.
Source: T-Mobile