5.1.1 software update is driving my battery crazy why?

[AC Question]

My galaxy note 4 battery is decreasing very very very fast .. i cant see my contact's list, lo and favourites .. i receive a msg that contact's list is being updated .. my mobile is turning off when it is 13% i am charginf it 4 times a day !! When is is the release of the new update i can't handle it !!!

 

[the tall guy]

Hi, it sounds like you have a catalogue of issues - haver you considered doing a factory reset on your device? if you do perform this, ensure you have backed everything up.