We first caught a glimpse of the Alcatel Idol 4s at the MWC 2016, back in February, where, in keeping with Alcatel tradition, it was piled together with another basic Idol 4 model, as well as three other POP4 devices. Still, even amid the announcement chaos that this event is, the Idol 4s still managed to stand out.
Source: http://www.gsmarena.com/alcatel_idol_4s-review-1467.php