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I just received the new iPhone 5s, and it's been on for all of 30 minutes, during which I restored the phone via iCloud backup and reinstalled my apps, etc. In these 30 minutes, the phone overheated and dropped down to 40% battery. Any reason as to why this happened? I've already closed all the apps that were open, locked it, and put it in to charge.
The phone getting warm and the battery dropping that much make sense together, since more battery usage = more heat, but the cause is unknown. I've noticed that when signal strength is low or cellular is on instead of wifi, it works harder to receive and transmit data. What kinda network are you using? Oh, plus, the way iCloud continually restores in the background could be causing some of that heat too.
When you say overheated, do you just mean that it got warm, or that you actually got a heat warning error message? Some warming is normal during charging or heavy activity, but it's hard to say. Most likely cause would be some sort of stuck app running in a loop, maxing out the processor, generating heat, and draining the battery. Sounds like you're on the right track. If it's still happening, may want to try restoring as new (without loading your backup), then use it for a bit to see if it's behaving normally without any of the old data/apps.
It was probably a problem on Apple's side -- they released a bug fix already, and that solved the problem right away. Thanks guys!
I'm currently on iOS 7.0.2 and mine actually overheated. A warning came on the screen with a thermometer indicating this. I was using GPS with an Appradio car stereo. To overheat on a chilly UK day is slightly concerning. I'm thinking of returning my 5S and goon back to my 4s.
this is all above iOS 7.0.2 issue
drained fast battery not because any iphone problem it is software on iOS7 specially please double check your privatecy location this default set to use GPRS to keep track your possition location which you also could easier check it back where you going before also few more add on GPRS maps, location you have to turn it off otherwise each time you press your iphone at once time this apps will doing there work at back ground.
if you disable this function i can saying your battery save up to 20% more power energy in all iphone model sorry for 3G user cause iOS 7 is end user
Had the same issue.
- I was running on low battery. So I killed all the apps and put 5S to sleep with 19% battery.
- After a while an alert popup of a low battery sign of 10% came. I forgot to hit OK.
- After a few minutes when I picked up the 5S it was terribly hot with battery showing 1%.
What paopaowell describes is not causing the massive battery drain. The one time location checking (GPRS) starts the GPS for a second or two and then turns it off. That won't cause the massive battery drain.