Both the Galaxy S8 and the LG G8 is said to be launched by April 21 and March 10 respectively. This however will start going on for pre-sale by March 2-9 in order to have people get to know about the product.
However, it was expected earlier on that South Korea will have the device first, but from a new speculations, it is now gathered that it will no longer have it, but will wait for other countries. Towards that end, there will be an international date for all and a universal market for all.
So, it is expected that after the MWC unveiling of the device, it will be available in for sale in the stores around the world. This will be the first time that LG will be releasing a smartphone before Samsung.
Just anticipate for this devices immediately after the unveiling at the MWC.