According to a fresh rumor, HTC will release a phablet version of the HTC M9 Hima at some point later in the year. The handset is said to feature a Snapdragon 810 chipset and 5.5-inch display.
http://www.notebookcheck.net/HTC-Hima-Ace-Plus-leaked-specs-include-5-5-inch-QHD-display.134618.0.html