The Microsoft Store's free offer of a Lumia 950 with the purchase of a Lumia 950 XL may end today, two days ahead of schedule, due to the low supply of Lumia units.

Lumia 950 and 950 XL

The BOGO offer began on Monday in the U.S. and Canada and was scheduled to end on May 1, but according to a Twitter post from noted Microsoft journalist Paul Thurrott:

The unlocked Lumia 950 XL is priced at $649 in the U.S. Microsoft Store, while the Canadian store has priced it at $849

See at Microsoft Store Canada

See at Microsoft Store U.S.