ZTE is announcing a new smartphone for all of Sprint's carriers: Sprint, Virgin, and Boost Mobile. With a 6-inch screen, it's got the largest size display on a phone that Boost has ever had available. The ZTE MAX XL is essentially a variant of the ZTE ZMAX PRO for CDMA networks. The MAX XL runs Android 7.1.1, unlike the ZMAX PRO, which is stuck on Marshmallow for the time being. For $130, you'll get phone with a 6-inch, 1080p display. Powering that display is a hefty 3,990 mAh battery, which ensures you'll be off the charger for a long time thanks to a low-consumption Snapdragon...
Source: http://www.gsmarena.com/zte_announces_the_max_xl_with_a_6inch_screen_for_boost_and_virgin_mobile-news-24714.php