Is completely horrible. After a full night charge (approx 6 hours) with no use during charging, my battery life decrease by 1/2 just from listening to my ipod and responding ti a couple of emails during a 45 minute train commute to work... and yes, I had the WIFI setting turned off... Is there anyhing I can else I can do to preserve/extend/maximize battery life
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Ensure any unneeded apps are stopped and not running in the background. Some apps such as facebook / twitter / etc may need to be completely uninstalled or logged out to keep them from running.
Turn down the screen brightness, Generally turning the screens brightness down till it can still be easily seen but not overly bright can increase cell phone battery by up to 20%
Shut off wifi / bluetooth / gps when not required. Disable Wifi / bluetooth, and GPS will also increase your phones battery time.
Ensure a full charge, most devices (iphones included) usually require a minimum of 8 solid hours to charge, even when they say full, they are not actually "FULL". Make sure your device gets at least 8 hours of charge time before use, and don't allow the battery to drain all the way before the next charge.
Once you purchase the iphone,dont use it yet.Instead of using it right away,kindly charge your IPhone with the wall charger for 3 hrs.Please dont use the Iphone while charging.Kindly check always if the battery is full.Once its fully charged then that's the time that you can use the iPhone. Once fully charged, let the iPhone's battery fully drain.Please keep the iPhone off for 2 hours.Fully charge your iPhone and allow the battery to rest in the
fully charged state for two hours. (You may use your iPhone during this
time as long as the iPhone is plugged in).Repeat the third and fourth step a maximum of three times if you feel your battery indicator is inaccurate.
Here are some tips for your everyday charging for your IPhone: #1 - Charge your iPhone throughout the day when available. Charge EVERY
night, regardless of charge level. This will keep your battery active,
which is healthy for the iPhone's battery.
#2 - Use a wall charger or car charger w/ rated output 5V 1A. Computer
chargers might not charge when the computer is in standby mode.
#3 - You cannot overcharge your iPhone. You don't need to disconnect
the iPhone from the charger after it's done charging. Once fully
charged, the iPhone will run strictly off of AC power and will not
damage the battery.
#4 - Every two months, make sure you fully charge and fully drain the
battery, in one cycle. This calibrates your battery indicator. If you
fail to do this, your indicator will become inaccurate. Calibrating
your battery does not improve battery life.
#5 - If you ever need to store your iPhone for any reason, make sure
your battery is stored @ roughly 50% and in a cool environment.
#6 - Always charge your iPhone out of its case (assuming you can easily
remove the case). Charging your iPhone inside your case will make the
iPhone hotter, which is bad for the battery.
#7 - Charge your iPhone in a cool location. Charging your iPhone in a
cool environment has a tremendous impact on your battery's lifespan.
The colder the location you use to charge, the more charging cycles you
can complete without your battery deteriorating. Avoid charging in
#8 - Use properly rated chargers. Using chargers that are not properly
rated will have a huge impact on your battery's lifespan. Make sure
your car charger has the same rating as the official Apple charger. The official Apple wall charger is rated as follows:
Input: 100 240V ~ 50/60 Hz 1.0A
Output: 5V 1A Thanks!
From what i see here, this could be a battery issue, you can have your iPhone's battery changed, if you said that the phone have done this twice already and this would be the third time, I could tell its battery problem. Also it could be software or firmware issues,. i would recommend that you bring your iPhone for immediate repair, I cannot recommend also dismantling the unit yourself, because the iPhone have so much delicate and sensitive parts inside and if the person that would dismantle it have no experience at all, may lead to more serious damages.
This is a really good article that will take you step by step through the settings that will best optimize your battery life. And if this doesn't help you should make an appointment at your local Apple store, they are always very helpful (at least in my experience).
http://www.apple.com/batteries/iphone.htmlAbout iPhone BatteriesLearn how to maximize the lifespan and battery life of your iPhone.
Plug in the cord in the socket and charge..its simple..nothing to worry but make sure its charged fully in the beginning as normal phones then use it almost complete b4 recharging as it will increase the battery life.
My battery on my iphone used to only last a day when limiting my use. And when I tried to use it normally with all the apps and music and calling people it only went for 10mins and then turned off.
How I fixed this: It's an ongoing solution. I charged it up until it said 100%, then used it all up until it shut down again. And then I charged it til 100% and then depleted it again. Repeat over 2 weeks and your battery life should get back to normal. It worked for me and now my iPhone works better than ever!