That one must have been updated because by the time iOS 10 came out they had already switched to the SE 1st gen from the 5S. The latest it could have shipped with was iOS 9.2 I think as the SE had 9.3 out of the box. The Music icon is the iOS 9 one too so it surely is a later one.
Please tell me sir that,i want buy this new,then what will bettry run a day,and in which time ot will charge.i takes online classes and fb videos. all people are saying that its bettry will very poor.