OnePlus launched in December 2013 and by 2015 it was still young and trying to figure out what kind of company it wanted to be and what kind of line-up it wanted to have. Release one “flagship killer” per year and that’s it? The OnePlus X was the first break from the “one phone a year” model. This was a year before the OnePlus 3T introduced the T-series and well before the Pro models came around. The X brought several firsts for the company and even the industry. Today the phone still stands unique in OnePlus’ lineup and while the new OnePlus Nord can be considered a spiritual...
Source: https://www.gsmarena.com/flashback_oneplus_x_marks_the_spot_where_the_nord_found_treasure-news-44442.php