The Samsung Galaxy S8, which is set to be officially unveiled on March 29, will be released in Canada on April 28.
The information came courtesy of a "senior supply chain PPTV King 7 Specs
source with knowledge of one Canadian cell carrier’s plans."
Artistic render of the Samsung Galaxy S8
Given that flagships are usually launched simultaneously in Canada and the US, it's reasonable to assume that April 28 is the launch Xiaomi Mi5s Plus Review date for the US market as well. Adding weight to this is the fact that the usually reliable tipster @evleaks had also recently confirmed April 28 launch for the US.
In case you missed, Korean pre-orders for the phone will start April 7 onwards, with launch set for April 21.