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You've been mislead somehow.

It's 4G LTE, not just 4G. There is no such thing as 4G except in marketing terms. The correct nomenclature for the high speed service for both AT&T & Verizon is 4G LTE.

If the phone is very warm, that is another problem.

I have four different 4G LTE phones on two platforms & two carriers. None of them runs warm. They all stay cool to the touch.

You've been mislead as well.

The exact reason he put "4G" in quotes in the first place is because of what you are describing so pedantically.

He is talking about the HSPA+ network that AT&T and, when connected, the iPhone call 4G. He is saying that when he is connected to HSPA+ ("4G") his battery drains faster and his phone is warmer, as opposed to when using LTE (or as you so insistently put it, "4G LTE").
 
On topic, I don't disable WiFi but do leave LTE on.

I have the grandfathered unlimited data plan yet still barely use a full gigabyte in a month.

I was under the impression that when using WiFi, battery consumption is significantly lower than when using LTE. According to Apple, you get 10 hours internet on WiFi and 8 hours on LTE (or 3G), so I figured you got 20% less (battery) time if you disabled WiFi.

That being said, if people can't tell the difference between battery life when disabling WiFi and using solely LTE, I'd probably disable the WiFi and use only LTE because I have a high data throttle limit and it is significantly faster.
 
Does LTE drain the battery faster then 4G ?

Apple's own specs state that 3G and LTE have the same amount of browsing time.

My LTE is on all day. I think as long as you've got a good signal your battery life is going to do well.

Per the OP's question:
When the Wifi is on the LTE is as good as off. So why would I turn off LTE when I'm on Wifi?
 
You've been mislead as well.

The exact reason he put "4G" in quotes in the first place is because of what you are describing so pedantically.

He is talking about the HSPA+ network that AT&T and, when connected, the iPhone call 4G. He is saying that when he is connected to HSPA+ ("4G") his battery drains faster and his phone is warmer, as opposed to when using LTE (or as you so insistently put it, "4G LTE").

You're imagining things. The post I quoted said nothing about HSPA+.
 
I leave my LTE on all the time too. And LTE does tend to drain my battery faster.
 
You're imagining things. The post I quoted said nothing about HSPA+.

It doesn't have to. In his post, he indicated he is a AT&T consumer. One can easily infer he obviously understands the 4G/4G LTE marketing trick, because he referred to what is technically termed HSPA+ by quoting what both AT&T and the iPhone call it, 4G. Even though we all know it is more similar to 3G than it is to to LTE, which is sometimes marketed as 4G LTE, most AT&T iPhone users have simply adopted the marketing ploy for simplicity of communication and refer to their current network connectivity by the name the iPhone itself calls it, "4G" for HSPA+ and "LTE" for LTE.

Despite me having to go step by step with this for you, let's assume you are correct in his mislabeling of "4G," then to what connection was he comparing his LTE to? Was he comparing his LTE to "4G LTE", a complete redundancy?

Seriously, just give up and realize you picked a completely wrong quote to criticize because there was absolutely nothing wrong with his statement nor even the way he communicated it.
 
because WiFi seems to shut off when the screen is off

Is this how is suppose to be?? I always thought that WIFI has priority over cellular data regardless if the screen is ON or OFF...If your theory is right, then there is a serious problem somewhere.

And regarding leaving LTE on all the time, I see it as leaving 3G all the time on older iPhones, it will always chose the best available option automatically, so why turning it off?
In other words, data priority goes like this in order of availability: WIFI>LTE>"4G">3G>EDGE
 
Is this how is suppose to be?? I always thought that WIFI has priority over cellular data regardless if the screen is ON or OFF...If your theory is right, then there is a serious problem somewhere.

The iPhone turns Wi-Fi off when the phone is asleep to save power. In iOS 4, Apple introduced "persistent Wi-Fi" which allows the iPhone's Wi-Fi to be kept on whilst sleeping. In my case, it never worked for me so I just turn off cellular data when I'm at home.

And regarding leaving LTE on all the time, I see it as leaving 3G all the time on older iPhones, it will always chose the best available option automatically, so why turning it off?
In other words, data priority goes like this in order of availability: WIFI>LTE>"4G">3G>EDGE

"4G" (HSPA+) is only called 4G in America by AT&T. Overseas, it's just called 3.5/3.75G/HSPA+.
 
The iPhone turns Wi-Fi off when the phone is asleep to save power. In iOS 4, Apple introduced "persistent Wi-Fi" which allows the iPhone's Wi-Fi to be kept on whilst sleeping. In my case, it never worked for me so I just turn off cellular data when I'm at home.
If never worked for you , does that mean that your software or device might be defective?

"4G" (HSPA+) is only called 4G in America by AT&T. Overseas, it's just called 3.5/3.75G/HSPA+.
I know it's just a way to refer to it, but for illustration purposes, most American folks would understand. And for ROW, just replace the "4G" part for the appropriate terminology! lol
 
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If you lock the phone and are streaming data (pamdora radio, YouTube etc) your phone will WILL STILL USE wifi.

It only connects to cellular when locked and you're not using any data. This can be tested quite easily.
 
I leave LTE on since the phone automatically switches to WiFi when available. Sure you can save some battery power by turning it off, but it's minimal.
 
If you lock the phone and are streaming data (pamdora radio, YouTube etc) your phone will WILL STILL USE wifi.

It only connects to cellular when locked and you're not using any data. This can be tested quite easily.
Not always true. From personal experience.
 
my usage
 

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Not always true. From personal experience.

With which apps? You'll notice that the phone will even drop wifi when locked with all cellular data turned off. This doesn't prevent push notifications and emails from coming in by triggering and using wifi.

Ive never had a problem with streaming (sirius, youtube, safari, tune in radio, podcasts).
 
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You've been mislead somehow.

It's 4G LTE, not just 4G. There is no such thing as 4G except in marketing terms. The correct nomenclature for the high speed service for both AT&T & Verizon is 4G LTE.

If the phone is very warm, that is another problem.

I have four different 4G LTE phones on two platforms & two carriers. None of them runs warm. They all stay cool to the touch.

Hence the reason I put the 4G in quotations as it is not 4G as in LTE but 4G as in HSPA+ high speed 3G. On the AT&T iPhone 4S and 5 when running on the HSPA+ "4G" network we have a 4G indicator, when on AT&T LTE it says LTE. So when I see "4G" and under heavy data use my phone seems to go through battery life quicker than when under heavy use and on LTE.

As to my iPhone becoming warm to the touch, this is true many iPhone users have mentioned this happening under heavy data use. I have noticed this on my past iPhone 4 and iPhone 4S as well as my current iPhone 5 when running on the "4G" network (non-LTE). My Dad's iPhone 4S becomes warm just as my Mom's iPhone 4 and my Brother's iPhone 5 and old iPhone 3GS. I did call Apple about this and they said it is simply because the phone is working very hard and it was nothing to be concerned about unless it became to hot to hold and then I should take it in to an Apple store or send the phone in to be checked out.
 
Unfortunately, I don't have LTE available for me where I live. Where I work however it is available, I leave it on time. I've noticed no difference in battery life or data usage.
 
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