Battery Life Testing on my Sprint Iphone 4s unlocked to T-Mobile. Average 3 1/2 hrs of usage a day.. Disclaimer: Boring Video.
I spent a little more then a week to measure how much battery life I was able to get on my iphone 4s. The phone is a sprint iphone 4s model MD378LL/A unlocked to T-mobile. The phone is over 2 years old.
You don't have to watch the video to see the results of my week long study.
On average I got about 3hr 28min of battery usage (ie surfing the internet, texting, playing games, and taking pictures.) Average Standby time was 22hr and 32min.
Because my phone was factory reset to iOS 6.1.3, I do think the main reasons for the below average battery life are:
1) Bad battery (because it's just old)
2) Bad cel phone reception (since t-mobile does not get good reception here in my part of Irvine, CA)
3) 3G cellular data, iMessaging, wifi, and Apps are draining the battery.
Do you have below average battery life/performance on your iphone 4s?
My next test .. .Test #2 will be to test the phone with 3G data, imessaging, and wifi shut off. Hopefully that improves battery life... but I still think my best option will be to just replace the battery.
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