We already know that Samsung will be unveiling its next major flagship smartphone at MWC 2018, as it was confirmed about a week ago by Samsung itself. A new leak has now surfaced that offers up alleged pre-order and ship dates for the smartphone. The timeline according to the recent leaks will look like this.
The Galaxy S9 and S9 Plus will

Source: Hot Hardware – Samsung Galaxy S9 Leak Tips Mid-March Ship Date