Just to report that i'm having problems with the battery also, sinc day one!!
Right now, i'm strongly convinced that i have something running in the background that is sucking out my battery's life! I only have the apps that came with the original FW 9A406 installed, nothing else...why am i thinking this? I have a Usage Time waaaaaaaaaaay superior to the actual use i give to the phone. It' not the same as in Standby, but it's very high. Something like 16hours of standby - 10hours of usage time (when i've only used the phone for about 30/45 minutes!!). Yesterday for example, in standbay, the battery stayed for about 4 hours with 100%, with 4minuts of usage time..."Excellent!", i thought to myself...after that, without touching anything, the draining started!! Usage Time going up, battery going down!!
I've read hundreds of topics with tips, discussions, workarounds...you name it!
So far, and as we speak, just look at the changes i've made in order to (try to) achieve a better lifetime:
- Auto-Screen brightness Off, with dimmed screen;
- Location Services/system services ALL off;
- Notifications set to Manual, only having "phone, text messages, calendar" on central;
- Wi-fi off;
- Data off;
- Network Auto-detection set to off;
- iCloud off;
- Erased all e-mail acounts and set Push to off;
- Diagnosis off;
- Bluetooth off;
- Restrictions On (Ping and Facetime off);
- No SIM lockout;
- Auto lockout set to 1 minute;
- Closed ALL pages openned in Safari before exit;
- All apps closed in multi-task bar;
- I've done several restores in DFU Mode and already let the phone drain the battery to 0% 4 ot 5 times (which is more than i wanted!!) and nothing, REALLY NOTHING, seems to fix it!!
With these changes i only get one day of very light use (to 20%)!!
The question is: "What is for you, a very light usage?". Fair enough...
Sent 3 or 4 text messages, did 3 or 4 calls of 5 minutes each, turned on data to acess a forum (only for 5 minutes!!)...jeeeeeeez!! Don't tell me that this is an expected behaviour for a smartphone!!
Imagine that i want to see a movie, listen to some music or, GOD FORBID, play a game??!! Wil it last more than half a day???!!!
This has nothing to do with high expectactions!!
This has to do with a very poor performance (not to call it other things)!!
This is nowhere near what Apple promises for this iPhone!! Don't even try to say that the problem is in the users/the way users set the phone!!
Even with heavy usage, the iPhone should deliver at least a reasonable performance...well, IT DOESN'T!! Im glad that there are some people who don't have a problem. Fine by me. But don't try to turn this around!! There is, in fact, a problem that Apple needs to adress to!!
Up to 200hours on standby??? Just read the list of changes i've made and you'll see that the only thing that i can do to try to gain more battery lifetime, is to turn off the **** thing!!! Shouldn't i get near the 200hours with all of those changes in standby? At least near 100h??? I guess not...getting 24-30hours (mainly) in standby is already very good, it seems...(ironic mode OFF).
Cheers!
P.S. Sorry for some incorrection on the technical terms, but english is not my native language...