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iPhone 5 battery life is way worse than iPhone 4

I just got an iphone 5 and I restored a backup from my iPhone 4 so I have the same settings. But the iphone 5 drains way faster than my two year old very well used iPhone 4 which is running 5.1.1. Is it because of IOS 6? Just leaving it sitting overnight lost about half the battery. My iPhone 4 hardly uses any battery while it sits overnight.


Or do I have a bad battery on my new phone?

Posted on Sep 22, 2012 1:41 AM

Reply
3,614 replies

Jan 22, 2013 1:34 PM in response to paulphilly

Good news regarding the only solution to this ***** iphone 5 battery (which is a battery case or being tied to an power outlet). My close friend who is a manager for sprint said that it shows in their inventory that the iP5 Mophie Juicepacks should be delievered to their warehouse sometime this week. I would be suprised if we don't see or hear about them publicly before the end of this month.

Jan 22, 2013 2:31 PM in response to mark_mark896

ok, I'm down to 1%. I got about 10 hours total. I got almost 6 hours of usage. For the last couple hours, I cranked the brightness up to 100%. I think my battery is getting better as I use it. Without streaming video for 4 hours and having the brightness up for 1/2 that, I think I'd get at least a full day of reasonable usage out of it without a charge, which is all I expect or care about. I can charge it every night. I hope you all get to this point. If you're having problems, get it replaced until wifi works well, and your battery will work all day.


Good luck,

Mark

Jan 22, 2013 7:37 PM in response to IL mac

I left the phone on for 55 hours and battery was still at 51%. This was after the initial immediate restart following the full charge I posted earlier. During that time it was just standby time (on both wifi and LTE) and some light use (short calls, some app use, and imessage). I am now following this practice after every full charge. I did the same this morning and after 14+ hours, battery is still at 91%. Again, just standby with some light use (but at least 1 hour connected to bluetooth while driving).

Jan 23, 2013 3:53 AM in response to holdrege

I am on my 2nd iPhone. This one is no different. But I have learnt to compromise. It's a shame that this product is subpar and we paid a premium ( I paid around $850 to get this in India).


Some of the things I have in common with most of you are -


1. Extremely poor battery life when on 3G( 1% drop every 2 mins)

2. Wi - Fi is as expected. but you have to shut down your cellular data radio to achieve that. While it sleeps - it connects to cellular data that drains the battery real bad. That is why most of us are seeing extreme drainage even on standby.


3. The newest observation is - while on EDGE ( as we have just 3G or EDGE and no LTE) the battery is getting close to 7-8 hours of usage easily. And now I keep it on EDGE and switch to 3G ONLY WHEN I need data intensive tasks.

For whatsapp and push I am okay with EDGE.


4. While at 100% - the battery stays for about 50 minutes and then starts to drop. But when that did not happen this morning ( went down to 98% with in 11 minutes) , I restarted my iPhone and saw it at 100% again.


5. The battery holds on at 1% but not anywhere close to - when on 100%.


6. I have switched auto detection of time zone. Not sure if that helped.


7. The phone gets heated even while browsing on 3G.


8. I have tested my 3G and EDGE experience on at least two operators and found the results almost identical.


I have been offered another replacement by Apple Support guys but I have refused and would wait till 6.1 is here.One of the guy has given me his email and has found all my observations helpful and he would share it with his design team.


I am gonna send them an email later today.


Thanks,

Sonam


Current Status:


User uploaded file

Jan 23, 2013 5:22 AM in response to lostjournal

Just curious how do you get to post your screen shot, as I haven't been able to get the forum to accept mine?


I see similar funny things happen around 100%, sometimes it drops overnight and other times not. I wonder if it's a goofy reading or an actual battery loss.


I thought the bug you mention about switching to data from wi-fi when on standby was fixed. Are you able to verify that it's still happening.


You don't mention anything about brightness level, but it can cut the battery duration in half. It's worth playing with the Auto Brightness Off and using the slider to set it as low as possible.


HTH

Jan 23, 2013 5:33 AM in response to coolkenny13

I've had my iPhone 5 less than a week and I have to say that the battery life is pretty poor. I've drained the phone a couple of times and done a complete charge.


I also get the loss of wifi when at home and the screen locks. Sometimes it takes a couple of seconds for the wifi to kick in again. Unfortunately I'm on 6.0.2 probably naively. I can't even roll back to my iPhone 4 because of the difference in SIM cards!


I have a fraction of what @lostjournal has and I'm already at 84% and dropping fast. Pretty disappointed I have to say...

Jan 23, 2013 5:43 AM in response to paulfromhere

Honestly, I believe it is meaningless. I have excellent battery life when on wifi and see this all the time with my phone (6.02). Overnight, I only lose ~~2% if I leave the phone unplugged.

paulfromhere wrote:


I take it back. When I use the power button, I can see the LTE icon flashing before it changes to wi-fi quite quickly.


hmmm, what does this mean?

iPhone 5 battery life is way worse than iPhone 4

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