When to expect wp 8.1 on Lumia 720 & ear phone port issue on Lumia 720

[emeke onyeagu]

When is the wp 8.1 coming to Lumia 720 cus I want to do some analyses on it, cos that's what am good at and also my 720 can not pick ear phone they won't work on it, less than I forget please those of you using wp 8.1 how do you feel I know it's great, and it has alot of features on it ,but what am concerned about right now is the media entertainment, how is it going ,hope there is no more trouble try to add playlists easily cus it's a serious biz doing that on wp 8 pls I need answers pls