battery drain after kitkat update

[angiesbloke]

So,I received the kitkat update about a week ago and its had a dire affect on my battery performance,in the space of under 3 hour's and only using the phone to view facebook I have lost 60% of my battery life,what the hell is going on?

[angiesbloke]

I have exactly the same apps installed as I did b4 the update and had no battery battery issues,last night it was on 78% when I went to bed,turned wifi off,closed all running apps,5 hours later it was down to 7%

[drey_p]

Have you installed GSam battery monitor to try and work out which app is causing issues? Have you tired a hard reset and then not installing any Apps? If so ,did you still experience the battery drain? 

[Northern-dj]

When a phone gets a new update it can cause all sorts  of issues

and we no it shouldn't

Now when Manufactures/Networks test this it not done in the real world and there only tested with app that are pre loaded

Now App developers can also add to this and not update there apps until after the update rolls out

facebook is one of these but its not there fault as many problems don't happen until after

so to figure this out and part of what we the users have come up with is to eliminate the third party issue is a factory wipe, and its the first thing Engineers do

Now after a F/wipe its still doing this then the finger points to other stuff

Eg what Networks put on or apps running that you don't need

Because of this we on here found out that Yahoo News is a Drain and some of the Vodafone apps are

also Active sync can be a issue if the phone is trying to sync eg pictures or data

So figuring this out can take some doing

Now even after a major update and a F/reset it can take a couple of days to settle down

it may help to put a screen shot of what apps are running

[Tizzletom]

I lose 1% for every minute of screen on time. I've also done a factory reset and android system and android os are the main causes aparantly. Gsam also says android kernal 

[ashylite002]

Hello, So, I am not the only one whose samsung galaxy s4 I9505 battery is draining 1% every few minutes only on screen usage. Can anyone help please. I already sent the phone 3 times for service in last 12months. Any help from Voafone customer services is very much appreciated.

[hrym]

Did you do a factory reset after the update?   Bits of the old OS can get left behind and confuse the system, resulting on over-activity and battery drain.  Don't forget to back up your content first.

[ashylite002]

Typing this message from mobile after doing factory reset (forgot to backup Texts )...not seeing any huge improvement. I already sent this to service thrice on same issue but they didn't fix it...any further help is much appreciable plz..