mine has improved quite a bit in da last few days..follow da instructions 1.RESET NETWORK SETTINGS 2.SWITCH OFF ALL APPLICATIONS LIKE GPS,3G,WIFI,AUTOMATIC TIME UPDATE AND PUSH UNLESS U REQUIRE!!(SAD THOUGH!!) 3.FORCE QUIT EACH ICON INDIVIDUALLU AFTER OPENING DA ICON 4.BRIGHTNESS AT NEXT TO LOW(SWITCH OFF AUTO BRIGHT)
mine has gone 3hrs standby to 16hrs standby wit minimal usage..and 14hrs after moderate usage..its been increasing every other day..its spooky..its got a mind of its own..A.I kinda!!!
pleasr respond if my tips helped u out..cheers!!
frm abu dhabi(uae)
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Re: iPhone 3G Battery Life
All of the iPhones have the ability to connect to an external
battery, a charger, or any computer with a USB port. You only need a
cable. Does your Treo charge from any USB port? And carrying a cable in
your bag is no harder than carrying an extra battery. I don't
think you'll ever see a replaceable battery in an iPod or iPhone. It
would make the device too big and it would reduce the battery
life--that's right, battery life is worse with a removable battery
because the battery has to be smaller. However, you can be sure that
Apple will continue to push the chip makers for lower power chips
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the main difference between the iphone 3g and iphone 3gs is the speed. but here are the specifications for both phones
weight: the 3gs is slightly heavier at 135g
memory: iphone 3g only has two options an 8gb or a 16gb whereas for the iphone 3gs it has 8gb/16gb/32gb
camera: the iphone 3g has 2mp camera that can only take pictures while the ihpne 3gs has a 3.15mp camera that can also capture videos
cpu/processor: iphone 3g has ARM 11 412 MHz, PowerVR MBX-Lite graphics while the iphone 3gs has 600 MHz ARM Cortex A8 processor, PowerVR SGX535 GPU. So the 3gs is faster and it means less or no lag on apps the 3gs has a digital compass and the 3gs has a longer battery time than the 3g. to summaarize, the iphone 3gs is faster, has longer battery life, and has a bigger memory (as it comes with a 32gb version).
that's because your using GPS signal that is constantly resetting itself and it uses battery life to do so, GPS uses more energy than anything else the iphone will do. If your still within hardware warranty call Apple and they might help you with it
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.
unless the dock is made for the 3g version of the phone rather than the '2g' version it may not work and even if it recognises the phone will not 'charge' the battery this is due to the pins that received the 12 volts of many docks being disconected in the new 3g phone so you have to charge via a usb which uses other pins for this purpose
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!
The iPhone 3G has all the features of the first one, plus faster 3G data downloads, GPS, and a better battery life. Externally, the phone's casing is slightly changed, with a thinner edge and thicker middle, but a flush headphone jack and solid-colored back make up the only other major differences visually. Everything else from the screen to the number of buttons and switches on the outside are the same.