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I wouldn't and won't turn it off, even ones the feature become available, always had 3g on and so far so no reason to turn it off. I either have no network or full bars there tends to be no in-between.
 
I have a 4S. Turning off Cellular Data turns off 3G for me.
 

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A switch would only be justifiable when you have 4G speeds. 4G speeds are great but they kill the phones battery. The phone (CPU) is processing so much information so quickly there is not way around the battery getting torn to shreds. In that scenario having the ability to switch to 3G is a positive.

I know first hand having had the Nexus on 4G.

Are you typing just to type? It's NOT the speed that 'kills' the battery. The lack of 4G/LTE coverage and beefy power mongering phones that support these radio technologies is what hurts the battery. A processor does not work harder if the pipeline of directions is bigger. All it does is compile the directions quicker then it would with a slower connection because the time of waiting for the information is cut.

With your terminology a person with a 50Mbps home cable connection would be screwed once their devices connect to WiFi.
 
I certainly WILL be turning it off to save battery life. As a college student who's in school from 8 to 4:45 2 days out the week, I'm pretty much on my phone fora good amount of time during that time period. I was so disappointed when I didn't see the option when I received my 4S on launch day. I loved having the option with my 3GS. Actually, my 3GS pretty much lived on Edge.

The only time I may turn it back on is when I'm on Facebook or Twitter but then again, I didn't mind using Edge on those social networks when I used my 3GS. I will definitely turn it on to search the Web if I am not by Wifi.

Ultimately, I think it comes down to personal preference. I can't wait.
 
I certainly WILL be turning it off to save battery life. As a college student who's in school from 8 to 4:45 2 days out the week, I'm pretty much on my phone fora good amount of time during that time period. I was so disappointed when I didn't see the option when I received my 4S on launch day. I loved having the option with my 3GS. Actually, my 3GS pretty much lived on Edge.

The only time I may turn it back on is when I'm on Facebook or Twitter but then again, I didn't mind using Edge on those social networks when I used my 3GS. I will definitely turn it on to search the Web if I am not by Wifi.

Ultimately, I think it comes down to personal preference. I can't wait.

yikes, your phone doesn't last from 8 to 5? also are you taking notes on your phone? how are you using it when you are in school? i must be really lucky, i got a replacement 4S for dropped calls (and i'm pretty sure its my service provider, not the phone thats the problem anyway) and both the original and replacement lasted ~2 days with moderate usage.

anyway, on topic, when i was trying to get my service provider to troubleshoot my dropped calls, they told me to use the phone without 3g for a week and see if it helped. when i said i didn't have a 3g toggle in the phone settings, they effectively said there was nothing they could do. it was kind of a garbage response, but seeing as how i still get dropped calls on my replacement unit in the middle of downtown toronto, i'll at least be able to play their little game once i have a 3g switch.
 
Are you typing just to type? It's NOT the speed that 'kills' the battery. The lack of 4G/LTE coverage and beefy power mongering phones that support these radio technologies is what hurts the battery. A processor does not work harder if the pipeline of directions is bigger. All it does is compile the directions quicker then it would with a slower connection because the time of waiting for the information is cut.

With your terminology a person with a 50Mbps home cable connection would be screwed once their devices connect to WiFi.

Clearly you don't understand how a CPU works.
 
3G is not the same as data
2G is not the same as "EDGE"

3G UMTS networks can provide the ability to handle calls, SMS and data.
2G GSM networks can provide the ability to handle calls, SMS and data.

Turning off 3G will not turn off data access on your phone.

If your carrier allows you to connect to a 2G GSM network that offers data services through GPRS or EDGE, then you'll still be able to connect to the internet when the "Enable 3G" switch is toggled to off

Some carriers don't support EDGE at all and most don't have EDGE coverage across their entire 2G network.
+1. These types of threads ALWAYS contain copious amounts of misinformation so its good of you to clear it up. If I'm not mistaken, most of Europes GSM/UMTS carriers either have plain GPRS (aka no EGPRS/EDGE) or 3G UMTS.
 
I certainly WILL be turning it off to save battery life. As a college student who's in school from 8 to 4:45 2 days out the week, I'm pretty much on my phone fora good amount of time during that time period. I was so disappointed when I didn't see the option when I received my 4S on launch day. I loved having the option with my 3GS. Actually, my 3GS pretty much lived on Edge.

The only time I may turn it back on is when I'm on Facebook or Twitter but then again, I didn't mind using Edge on those social networks when I used my 3GS. I will definitely turn it on to search the Web if I am not by Wifi.

Ultimately, I think it comes down to personal preference. I can't wait.

Agreed!

I hate seeing my battery around 30% when I'm done with classes for the day. Thanks to SBSettings I now toggle Wifi whenever I need it and that seems to help a lot. Too bad I'm on Verizon or else I could've turned off 3G as well :(
 
OP: Get a real carrier.

I used to be on O2, and it really sucked, no 3G anywhere I regularly was, horrible battery life. Moved to Vodafone, now get 3G virtually everywhere, battery life is much, much better.
 
I will turn it off when in more rural areas where 3G coverage sucks, but around home no reason to turn it off
 
Considering my 4S now does 2+ days standby and about 11hrs usage with 3G switched off and using EDGE in the background for push etc, and previously did around 22hrs standby and ~4hrs usage, it's a no-brainer.

My battery life is awful on 3G and decent without it, and I still get all my notifications etc. All it takes is one swipe and one tick to get it back on with SBS settings.
 
I have a 4S. Turning off Cellular Data turns off 3G for me.
No offense to you, Roland, but I am somewhat amazed at the cluelessness this thread has garnered.

If you don't understand what turning off 3G is, let alone why it might be useful, just skip this thread.

I for one like the ability to turn off 3G in certain situations. Fortunately I didn't have to wait for 5.1 as my 4S is jailbroken.




Michael
 
My turning it off on my phone won't help the other people who might be having trouble, so I will be leaving it on.

I was thinking something very similar to this.

OP, it sounds to me like you already have a pretty good handle on when you would turn 3G on or off. Why do you need others to tell you when they're going to do it? How does knowing this information help you or anyone else?
 
yikes, your phone doesn't last from 8 to 5? also are you taking notes on your phone? how are you using it when you are in school? i must be really lucky, i got a replacement 4S for dropped calls (and i'm pretty sure its my service provider, not the phone thats the problem anyway) and both the original and replacement lasted ~2 days with moderate usage.

anyway, on topic, when i was trying to get my service provider to troubleshoot my dropped calls, they told me to use the phone without 3g for a week and see if it helped. when i said i didn't have a 3g toggle in the phone settings, they effectively said there was nothing they could do. it was kind of a garbage response, but seeing as how i still get dropped calls on my replacement unit in the middle of downtown toronto, i'll at least be able to play their little game once i have a 3g switch.

It depends on the day. I'm a heavy Twitter user so that is what depletes the battery the most and I text a whole lot so I'm pretty much on it constantly. Cutting 3G off will just help me save some percentage throughout my school day
 
I was thinking something very similar to this.

OP, it sounds to me like you already have a pretty good handle on when you would turn 3G on or off. Why do you need others to tell you when they're going to do it? How does knowing this information help you or anyone else?

Just wanted to see if others would do the same or if they will leave it as it is..thats all.
 
What i love about this update is now i can turn out 3G when at work so it won't hurt my battery as i don't have 3G coverage at work and it just searches for a connection hense losing 20+ % battery life when i hardly use it.

I have also switched off 3G when i'm at home on wifi as i think that affects the battery as well.
 
Well, no. Why would I want to cripple my iPhone by effectively turning off the Internet?

You don't turn off internet, you turn off "high" speed cellular internet to use "low speed" internet.
From HDMP+ to EDGE.

Still have internet, just takes longer.
 
3G has to me been the issue with battery life..having 3G on all the time means it is always searching for a connection and which uses up battery. That has been clear when at work.

IOS 5.1 it has been stated you can switch 3G off where currently you can’t.

Indeed iOS 5.1 does state that you can switch 3G On/Off, however, that is if the Carrier allows it. Unfortunately, AT&T does not allow the Enable 3G On/Off on the iPhone 4S.
 
I may have missed something here but I've always been able to turn off 3G independently of cellular data on my 4S, was the same on my 4 as well.
 
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