ZTE extends the life of the Axon 7 even further - there's a new upgraded version, which sports a Snapdragon 821 chipset (up from the 820). However, it's not clear if it has 6GB of RAM and 128GB storage like the previous spec bump. Really, that's all ZTE's press release says and their website is yet to be updated with the 7s model. We did notice that the speaker grill design has changed, but there's no info on any changes to the stereo speakers or the Dolby Atoms. Anyway, we think it's a safe bet that the 5.5" AMOLED screen with QHD resolution is unchanged, same for the 20MP main...
Source: http://www.gsmarena.com/zte_unveils_axon_7s_with_snapdragon_821-news-24575.php