Apple iphone 6s plus is excellent .I love this phone because it’s features are so useful.and apple is my fav company ever.I have used this mobile more than 8 months without any problems.It’s price is too high but the features are awesome and most probably the best camera phone till now.I think it means s for speed.The best phone I have ever used. Iphone 6s plus is the best model of iphones I think