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  Reply # 892498 10-Sep-2013 08:45
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I get two days out of my S4, maybe three if I don't use much data, or a bit under two if I use a lot of data. I have a wireless charger (will post a review in a week or so) that keeps it topped up quite well.

Getting rid of google now and a few other tweaks solved my battery problems. Get "BetterBatteryStats" and learn how to use it - partial wakelocks are a problem. Get Greenify and use that on apps as well.




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  Reply # 892518 10-Sep-2013 09:14
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I own and use Apple products extensively and love them, but can't understand why you'd want to completely change the ecosystem in which you are embedded just for the sake of battery life issues.

Try upgrading to newer Android devices - they'll be familiar but better than what you have and will not be lacking the features you will have become used to.

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  Reply # 892750 10-Sep-2013 14:31
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I went the opposite way of going from a 4s to galaxy s4 , I get a couple of days out of mine which is the same as what I used to get with the 4s. I could not go back to apple after switching over. Perhaps look at upgrading not only to help with your battery life but get a lot more functionality as well.




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  Reply # 892775 10-Sep-2013 14:58
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I hear the Nokia 100 has pretty good battery life




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  Reply # 892777 10-Sep-2013 15:01
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At least with the S2 you can buy a spare battery if you want to

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  Reply # 892797 10-Sep-2013 15:52
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I just put a wireless charging device in my phone, and I have a pad at work. Great for keeping it charged, even though it lasts ages anyway - it's a toy and convenient. You could have pads at home, in your car, etc.




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  Reply # 894513 11-Sep-2013 22:42
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I got an s2 a few months back as the hardware spec suited me well. Added a Samsung 2000mah battery and recently rooted it and installed Miui v5 custom rom. Now works beautifully, full day from battery even with heavy use. Miui is lovely, stable, simple to install and best of all no bloatware wasting space and power. I plan to use the Miui app to turn down the cpu soon and see if i can stretch the battery more.

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  Reply # 894518 11-Sep-2013 22:52
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Another thing with some android devices like the s3/4 is you can either change the battery during the day. Or if the battery has lost a lot of it's capacity, you can buy a new battery. My old iphone 3gs needed to be charged twice a day. I would love to see the next iphone double battery life, or perhaps even introduce some form of solar or kinetic charging system as battery life is the number one thing that many people care about. My old nokia used to last for over a week on a single charge.

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  Reply # 894522 11-Sep-2013 23:15
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What you need is THIS:
http://www.amazon.co.uk/Portable-Mobile-Phone-Charger-Connection/dp/B007PSNNEK/ref=sr_1_4?ie=UTF8&qid=1378898065&sr=8-4&keywords=duracell+smartphone+charger

I have one of these because as soon as you train into London your smartphone battery dies in a good 3 or 4 hours due to the abundance of signals (wifi in the streets & intermittent 3G in underground) draining the battery due to intensive use of the radio receivers in your phone.
I pre-charge this at home and carry it in my pocket, when my smartphone is at 1/3rd of its capacity left I plug this in and will be able to survive the day before going home.
If that still isn't enough you could buy a 2nd one.

-edit-
I also use this whilst going camping, I've managed to run a smartphone nearly 5 days by switching off WiFi & 3G at night time and re-charging once with the Duracell unit




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  Reply # 894579 12-Sep-2013 07:36
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Another way to limit battery use is to use something like Llama and set up smart location based profiles. Have it turn the radios on and off as you need them, or just do it manually. For example I have it turn WiFi and mobile data off when I leave home, because I always drive so I don't need the phone. At work I can have WiFi on but mobile data off. At home I turn both off as I use my tablet. I also have it do things like turn the phone volume up when I'm in an unknown area (it works off phone towers but can use GPS if you like), etc. Very flexible app. I also removed google now which killed battery and didn't do anything useful.

I keep all radios off unless I need them, and I have it go into airplane mode at night.




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  Reply # 894586 12-Sep-2013 08:27
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If you have not done it already I always install one-click widgets on the home page for wifi and data (Power Toggles worked well for me before I changed to Miui and worked well). As these functions use power and are constantly necessary I have got into the habit of switching them off when I don't want to be bothered. As the other poster wrote there are even apps to automate this function if you want.

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  Reply # 894609 12-Sep-2013 09:06
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ScuL: What you need is THIS:
http://www.amazon.co.uk/Portable-Mobile-Phone-Charger-Connection/dp/B007PSNNEK/ref=sr_1_4?ie=UTF8&qid=1378898065&sr=8-4&keywords=duracell+smartphone+charger

I have one of these because as soon as you train into London your smartphone battery dies in a good 3 or 4 hours due to the abundance of signals (wifi in the streets & intermittent 3G in underground) draining the battery due to intensive use of the radio receivers in your phone.
I pre-charge this at home and carry it in my pocket, when my smartphone is at 1/3rd of its capacity left I plug this in and will be able to survive the day before going home.
If that still isn't enough you could buy a 2nd one.

-edit-
I also use this whilst going camping, I've managed to run a smartphone nearly 5 days by switching off WiFi & 3G at night time and re-charging once with the Duracell unit


I think that's a great idea but with Samsung phones wouldn't it be easier and cheaper to just buy another battery!

Personally I don't see the point in having a smartphone then using it like a dumb phone hence I have a couple of batteries and one of the main reasons I use Samsung phones so I can change battery. 






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  Reply # 894612 12-Sep-2013 09:14
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Changing batteries is a pain in the butt if you use a case. Plugging in for even 10 minutes give you a good boost in power. My wireless charger does a good job too.




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  Reply # 894889 12-Sep-2013 19:15
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Thanks for all the input but can anyone explain why an official update to the OS causes the Android OS to eat 35% of my frigging battery when prior to it was probably 8% Max?

I'd really like to know..

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  Reply # 894920 12-Sep-2013 20:16
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Have you worked out what is using all the power thru Android Assistant?

It's possible the update simply turned things on (like google+) you don't have on before.

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