Phablet unboxed: ZTE Grand X Max+ By: CNBC.com News February 27, 2015 at 07:12 AM EST AT&T's Cricket is going head-to-head against T-Mobile's Metro PCS as they introduce similar devices such as the ZTE Grand X Max+. Here it is unboxed. Read More >> Related Stocks: AT&T Inc Apple Atlantic Power Corp Google, Inc.