Q: iPhone 4s Battery Life?

RossPhoto wrote:

 

I wonder how many people are seeing improvements in 9A406 because of the setting up as a new phone, rather than the incremental update itself.

 

Did those people who upgraded to 06 try a clean install and new phone set-up of 05?

 

Did those who tried 06 and saw no benefit restore from a previous backup?

That is a great question.  While it is possible, I highly doubt that Apple would sneak in a battery fix and almost keep it hidden.  Even if they wanted to keep it low key, they could have called it 5.0.2 so that a greater range of consumers would update their phones.

Here is an example of where people are mistakenly drawing a causal relationship between a particular change and a possible improvement.  The other night my phone was showing a high load on the CPU after I closed down all of the apps.  What I believe was an uncontrolled process was averaging 95% load on the CPU (normal range with all apps closed is 1% to 10%) and causing accelerated battery drain.  Screen shot below.  Unless you have a CPU monitor, you would have no way to detect that this was happening in the background.  I believe a battery drain to zero, a restore, an O/S update, etc. would kill this process but people would conclude that their phone would improve due to a battery calibration, a non-corrupt install or a new O/S build.  Just my opinion.

Hi,

I have done pretty much everything that is in this loooooooong thread including having Apple replace my 4S once. Pretty much nothing I did was successful in any significant way. The only thing that has helped me was to disable push, set my 3 email accounts (yahoo, gmail and exchange) to manual and have my email closed at most times. I am right now at 34 minutes usage and 3 hours and 29 minutes standby with 94% battery. Kinda sad that this is the best I have seen to date. The Apple store claims they are working on a fix for 5.1 although as folks know on this thread it has not been confirmed by Apple in the public. I am hoping this gets resolved very soon or I may returm to AT&T and just get a BB. Email and text are my most critical apps and they both need to be working well with decent battery life. This device is not worth the money if you have to turn off all the features that it provides to just get through medium use for a single day.

@kllemieux

kllemieux wrote:

 

Hi,

 

I have done pretty much everything that is in this loooooooong thread including having Apple replace my 4S once. Pretty much nothing I did was successful in any significant way. The only thing that has helped me was to disable push, set my 3 email accounts (yahoo, gmail and exchange) to manual and have my email closed at most times. I am right now at 34 minutes usage and 3 hours and 29 minutes standby with 94% battery. Kinda sad that this is the best I have seen to date. The Apple store claims they are working on a fix for 5.1 although as folks know on this thread it has not been confirmed by Apple in the public. I am hoping this gets resolved very soon or I may returm to AT&T and just get a BB. Email and text are my most critical apps and they both need to be working well with decent battery life. This device is not worth the money if you have to turn off all the features that it provides to just get through medium use for a single day.

I fully agree! Pretty much nothing works in any significant way (except the airplane mode)! It is a hardware issue which probably cannot be fixed by software updates!

iPhone 4s is the worst smartphone I have ever seen. It works the best in Airplane mode(sarcasm)!

It looks like Apple does not even care! Probably Apple is laughing at us (and enjoying the fat bonuses) when reading this forum!

Ok here is my story. I have been using iPhone 4S for last several weeks. This is my second 4S, the first one had a terrible battery time. No overheating or any static noise issues. But my 2nd phone was no better than the first one.

I dont have the following issues

* Usage and Standby are equal

* Phone heating

* Dramatic decrease in battery percentage

My setup is as follows

• IOS 5.1 B2
• 2 Exchange emails with Push
• 1 iCloud email with 15 minutes fetch
• 1 Yahoo email with 15 minutes fetch
• iCloud: only find my iPhone on
• Location services ON but all system services OFF
• Notifications ON by Time
• Facetime OFF
• Bluetooth as per requirement ON and OFF
• Spotlight search OFF
• Autolock NEVER
• Restrictions ON (Ping and iTunes disabled). Game center: All options OFF
• WIFI ON
• DATA ON
• SIRI ON (Raise to speak OFF)

With all of the above settings, I was getting maximum 6 hours out of my phone. Yesterday I did the following changes and found a dramatic increase in my battery time

• Reset all settings (NOT ERASE)
• Plug the wall charger in and while the phone is chargind, turn it off and let it charge for an hour
• Turn data OFF when in WIFI zone

With the above changes, my stats below

Usage: 8 hours 45 mins

Stand by: 20 hours 5 mins

Battery left: 21%

I have tested from 5.0.1 (405) to 5.0.1 (406),  and 5.1 B1 and 5.2 B2. I have never found any change in my battery timing other than by turning off the "DATA". Unfortunately, for past several weeks I never thought of turning off the DATA so my test may not be correct. But given that I am on 5.1 b2, and I was having the same issues as on all other builds therefore my idea is that its the DATA which is directly related with the iPhone 4S MODEM.

My understanding is that it is the MODEM which is causing the issue or something related with the MODEM i.e. DATA. Now if it was a software related issue then Apple would have fixed it by now, so my best guess is that its the MODEM hardware. I might be totally wrong and it might be a software issue with the MODEM but then Apple should be able to spot it by now.

That's pure Genius!!  That way I can keep using my Iphone 4S as a hand warmer.

Can you also come up with a mobile solution?  Maybe something utilizing a car battery and hefty backpack

Wow, all that push and fetch is pretty aggressive. Known fact that push will drain battery like crazy. Also no real  need to have email pushed or fetched that often I wouldnt imagine. Unless you are constantly watching you phone  for a new message. I mean I have 3 accts and am constantly getting email on one of them so phone would never stop. I can open inbox when I am ready to view emails and all mail comes in within a sec from all accounts. I have all set to manual. Have heard Yahoo push is a battery hog as well. I have yahoo as 1 acct but its on manual as well. Basically I have gmail,yahoo and exchange all set for fetch and fetch set for manual. Anyway that could be a big part of your issue more so than the other items you have turned off. May want to consider trying that just to see.

I want to try that RESET thingy to see if it can improve my stats. (Page 500 and Page 509)

Here is my 100 - 99%

On 5.0 and 5.1 there are several issues, not only one.

Some are related to the standby-usage timer, that are pretty similar. You can solve it disabling siri raise to speak and with various resets, as indicated in various posts.

Other issues, more important in my opinion, are related to the usage time, that is always under 4-5 hours of real use with data enabled.

The data switch is simply a switch that says: "iPhone, you can connect to the internet network over sim card".

This seems to use so much power, and if you disable it you can reach 6-7-8 or more hours of usage.

Obviously, if you turn it off without having a wifi connection, you can't read e-mails, surf the internet, receive notification ecc.

I hope this to be only a software issue, because I have the same behavior and timings on my previous iPhone 4 and I'm sure that, with 4.3, the usage time was much more.

Kakuii wrote:

I want to try that RESET thingy to see if it can improve my stats. (Page 500 and Page 509)

Here is my 100 - 99%

Umm you seems to have pretty good results. I believe I would leave well enough alone. What are you thinking you should be getting? Both of your posts seem to have pretty amazing battery. I doubt the reset will hurt but also really doubt it will help in your case. You already have excellent stats so I believe I would enjoy the phone and not risk screwing something up (The old "dont fix whats not broken" rule)

[EDIT] Actually I think maybe you are trying to screw with the others here that actually have a problem. I believe those are photoshopped screen shots.

From everything I have read the new update does not include a battery fix. Apparently the programmers are saying the new update is making the issue even worse. It seems Apple is going backwards. If this is the case , I believe it could be the downfall for Apple. People are going to begin jumping ship if this is the case. My best numbers have been 6 hrs usage and about 28 standby. Now the fact that I can't get a day of usage to me is pretty sad. I've tried everything that I have read on here and other threads. The only thing I have not done was remove my SIM card. I have sprint service and we do not use sim cards so unless you are traveling it would seem you don't need one. Anyone know if this is correct?

the new update is definately the answer i did it via system restore pm and i still have 99% power lefy 6 hours later with most things on!! so go for it!!

@sbailey4

It is probably not fake. My iPhone 4S shows about the same number after first 5 hours on standby.

The reason is that the battery status reporting is not perfect. After first 5 hours on standby my iPhone reported that it consumed 0% battery (it stayed at 100%) and THEN it started to drop 1% for every hour on standby, so for example after 10 hours on standby it reported 95% of battery is left. My phone lasts about 120 hours on standby - when I don't touch at all it except to check battery percentage about twice a day. Which is way shorter than 200 hours claimed by Apple. This is with cell phone on and everything else off (Wifi, cellular data, bluetooth, no push, no icloud, no app whatsoever running in background).

Hello. I have an iphone 4s since the first day it was available in Spain. The first two days were awful, the battery would even lastbone day. The i used the solution to turn off system location services and the camed the update. Now with average use the battery lasts one and a half days. 600€ for this??? Apple is, absolutely, playung with fire. It is the begining of the end and worst of all is that even bother to show concern and shame about all of this. Total insignificance.

sbailey4 wrote:

 

Kakuii wrote:

 

I want to try that RESET thingy to see if it can improve my stats. (Page 500 and Page 509)

 

Here is my 100 - 99%

 

 

Umm you seems to have pretty good results. I believe I would leave well enough alone. What are you thinking you should be getting? Both of your posts seem to have pretty amazing battery. I doubt the reset will hurt but also really doubt it will help in your case. You already have excellent stats so I believe I would enjoy the phone and not risk screwing something up (The old "dont fix whats not broken" rule)

 

[EDIT] Actually I think maybe you are trying to screw with the others here that actually have a problem. I believe those are photoshopped screen shots.

This is just an Apple's fix like increasing the number of bars for the iPhone 4 antena issue. I have got 6 hours of standby from 100% to 99% without actually using the phone. After 99% it decreases by 1% every hour or so. Someone else has also suggested..

Kakuii wrote:

 

This is decent/normal right? I'm on my 2nd charge. (Bought phone Dec 17, its now Dec 21) (See page 500 for my 1st day)

 

This is with fairly heavy use with music (mostly), internet, texting, camera, downloading and playing with apps, a long phone call, Siri use.

 

This is nice with your usage as mentioned. This is what others should be looking at. But with light usage, 6 hours is not good