Battery life worse than iPhone 3GS

[JayLenochiniMac]

It's way better on iPhone 4 compared to iOS4 on 3GS for me.

 

[jwwpua]

I hesitate to respond since when I respond to these kind of posts, my response gets buried.

My iPhone, purchased on Launch Day, had a dead battery out of the box. Like you, I could not get to the end of the day. In fact, powered off, it would go from 100& to 50-60%.

Apple exchanged my phone on Sunday and the battery life if MUCH better. Day 1 it was powered on at 4:45am and by 10:30pm, it was still at 67%. 3 hours talk time and much of it on the EDGE network!

So in short, your battery IS bad!

I'm glad you posted this. Mine also arrived dead out of the box. It's certainly not up to par (it loses 15-17% overnight in airplane mode). I made an appointment at the Apple store to get it replaced. (I already talked to Apple Care today and they recommended an exchange or sending it in for repair)

Did you have an appointment, or did you just walk in? The first available one is Sunday at my store.

 

[MotionxxUSxx]

Getting almost double the life.

 

[bushbaby]

All of this "battery is great!" talk.. but I'm just not seeing it. Normal daily use results in my battery being dead by 5pm. At least my 3GS lasted all day under the same use.

Anyone else? Between this and the proximity sensor causing me to drop calls, I'm becoming very frustrated with my new iPhone 4

Yes, me too. One theory is that the phone keeps trying for data connectivity, not getting it, and that's helping to run down the battery quickly.

I had improvement when I reset the network settings and turned most things to off. But that's getting silly - I have the brightness way down. My 3gs wasn't that good with the battery (the Apple genius tested it at the end and told confirmed that), but it was better than this.

I hate the idea of having to go through a reinstall with all the email problems we had (two Apple genius appts to get it to work). But I will have to do something. There is a long thread on the Apple communities site about this.

 

[anonymouz1828]

Wait!!!

Wtf .. stop return and wait!! I seen on some threads that you got to charge and discharge phone a couple time to improve the battery life. Use the phone for like week-month to b4 returning!!!

 

[Stiss]

Much better for me.

The other day I charged my phone to 100%. Turned WiFi & 3G off as I get a good edge connection in my house anyway and that suffices for emails and what not.

Anyway, the following day I was down to around 85-90%. A huge improvement.

 

[jwwpua]

Much better for me.

The other day I charged my phone to 100%. Turned WiFi & 3G off as I get a good edge connection in my house anyway and that suffices for emails and what not.

Anyway, the following day I was down to around 85-90%. A huge improvement.

Do you mean 100% to 85-90 overnight?

 

[jwwpua]

Wtf .. stop return and wait!! I seen on some threads that you got to charge and discharge phone a couple time to improve the battery life. Use the phone for like week-month to b4 returning!!!

I've done this and also restored again as a new device. I've used it for over a week now without any improvement :-/

I realize that your suggestion will help in some situations though. I made an appointment for Sunday, so I'll continue testing until then. Hopefully they let me swap it without any problems!

 

[stoplis]

I was suffering from some pretty bad battery life at first, but then I let the battery run down completely till it turned its self off and then left it on charge overnight. I now get two full days out of it.

 

[Satanic Goat]

I used to have to charge my 3GS every night, the 4 lasts me 2 days. Push, WIFI and GPS always on

 

[Chodite]

I was suffering from some pretty bad battery life at first, but then I let the battery run down completely till it turned its self off and then left it on charge overnight. I now get two full days out of it.

I'm going to keep my eye on it today.

It ran all the way down last night around 5pm, I charged overnight, now at 100% and I'll see how it performs today with some casual use (at work now, so mainly email, Twitter, some web surfing, etc.)

Another issue I'm noticing - charging very slowly via USB...

 

[dark1x]

Yeah, it's definitely a huge improvement. Yesterday, I listened to Pandora over 3G for 3 hours in the morning, surfed the net a few times, streamed some videos, used the iPod function in my car over bluetooth, and played a couple games and, by 5pm, I still had 63% of my battery left.

All of that activity on the 3GS would have brought me down to 20 or 30% battery life by that point in the day.

 

[danpass]

- Run it until it turns itself off

- Reset all settings

- Get a new one


I would try the first two initially (I set my phone up As New vs restore from backup)

Battery Life discussion: https://forums.macrumors.com/threads/951555/



My third full charge. Was plugged in for two minutes to transfer video

 

[dojoman]

Are those with good battery life did you guys restore from previous backup or start as new? Mine was restored from 3GS and battery is worst than previous.