The Lumia 630 and 635 is a very popular Windows Phone 8.1 handset, according to AdDuplex’s stats.
The device also only has 512 MB of RAM, which has had some people concerned about how well Windows 10 Mobile will work on it.
Fortunately it seems there is not much to worry about, with Garbiel Aul, the head of the Windows 10 Insider program, tweeting:
— Gabriel Aul (@GabeAul) February 10, 2015
Joe Belfiore has however earlier said that 512 MB handsets will not have the full Windows 10 feature set, and it remains to be seen how much will be left on the cutting floor.