What is the typical run time for T-Mobile's GS3?

Ophio

Active member
Jun 28, 2012
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I recently contacted t-mo's customer service regarding battery issues I'm having. I hardly use my phone at work and the battery hardly lasts 10 hours before I have to recharge again. The T-mobile rep said average run time is 11 hours? Is this normal or was he just bs-ing me? 11 hours seems too less especially considering my daily shift is 14-16 hours. I have all power saving options enabled, screen at the lowest brightness, and I even keep shutting down applications in the task manager (everytime I do this it says 45-52 applications closed). I don't use my cell to make calls either since I can use the landline. Someone please help with the issue here!
 
Thanks Zapingo. Are you a heavy user? Currently I'm charging roughly every 16-18 hours..I'm coming to accept that this is normal for upper end phones nowadays...
 
I haven't had mine long enough to have a good opinion about my run time...

Check your task manager to see what's consuming CPU?
 
That seems low. How is your service at work? If you're service is poor the phone will be constantly trying to find service and burn through battery faster. Due to structural constraints my service is virtually non-existent when I'm at work, so I go through battery twice as fast at work as I do on the weekends when I'm home or out and about. That being said, I charge every night, but even during the week my phone lasts 16 hrs without issue, I still usually have 20-30% left when I throw it on the charger at night.
 
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You are lucky to get 10hrs. I have no reception in my office so if I don't switch to airplane mode, my phone is dead in 6 hrs with less than10 minutes of screen time. Switching to airplane mode ensures I get at least 10 hrs. So the 11 hrs they quoted you seems about right. I have read posts that people have managed to get 24 hrs on one charge. They claim to be using Juice Defender. I tried it and the best I got was 12 hrs with limited use.
 
Thanks for your responses guys.
@scifan: When I run the task manager, usually there are no applications running under the Active Applications tab. However, when I clear memory under the RAM tab, it roughly closes about 50 or so applications. Side note, is clearing memory harmful to your phone? I use whatsapp and chaton the most so I leave those on that recent apps list.
@Thermal: I have poor reception both at work and home. Stupid. So I'm guessing this is what eats my battery cuz I'm forced to have wifi on. I've tried having the phone on airplane mode and leaving wifi on, but then I don't get my messages I thought with wifi on, I don't need mobile data. Am I missing something?
@Moth: Wow that's really low. Have you tried a battery swap? I've heard about t-mobile swapping batteries for some people. I will give Juice Defender a spin.
 
I'm assuming you have WiFi calling turned on when you're at home on WiFi? Check a couple setting. First one, under the advanced WiFi options make sure "Keep Wifi on during sleep" is set to "always", that's the default, so it probably is. Under your WiFi calling settings make sure you "Connection Preferences" are "Wi-Fi Preferred", I think that is also the default. You probably have both of these set already, but it's good to check. With those set you really shouldn't need to run airplane mode (if you have wi-fi access) to save the battery due to the phone searching around, it should always stay connected to wifi, and the wifi calling should always stay up, thus keeping the radio from hammering the battery. As a side note I have pretty decent coverage when I'm not at work, and I always have the wifi and wifi calling running when I'm at home.
 
Wifi (with a stable wifi connection) uses less battery than a cell radio that is continuously searching for service, which is one of the reasons that wifi calling is a good thing. Now stable wifi vs stable cell radio might be a different story, I believe wifi calling disables the radio, thus saving battery, but don't quote me on that.
 
@CD_xx: My bluetooth is off, but it is imperative that I leave WiFi on because without it, I wouldn't get anything done.
@Thermal: All my settings are at default, as you said. And I'd agree with you. Today I switched to airplane mode at work, with wifi on. Its a fairly stable connection, and even with using above-average usage, I got through the day with about 20 percent juice left. Wifi calling DOES turn the radio signal off, but the WiFi calling feature has to be supported by the router, I guess. It's not supported at work so if I don't go to airplane mode, I have both wifi running and the cell struggling to get a signal. This is what probably burns my batt faster. Guess I'll be in airplane mode going forward at work...

Now while we're on the topic of batteries, what exactly is power cycling? I've come across different definitions. Anyone know what the recommendations are to keep my batt in good health?
 
Well I have all my power saving features on unless I am playing a game.

Using FlipBoard 3-5 hours a day, calling ~1-2hour a day, ongoing texts/facebook/email, and some gaming along with the usual standby time I get around 36 hours until the battery gets to 4-9%.

This is without having AirPlane mode on when I go to sleep.

I keep Wi-Fi on at all times except when I'm driving or I know I will be at a specific location with no Wi-Fi. Data is always on, all my emails and accounts sync every hour. GPS is kept off unless I am using my phone for navigation.

My Wi-Fi calling is set to prefer cellular signals. I was setting up my dad's HTC One S, and i had problems when I set it to Wi-Fi preferred so I am a bit paranoid.

Have you thought of getting an extended battery. I don't plan to get a replacement (extended) battery unless its from Samsung. But I may get a PowerSkin to use away from a power outlet.
 
i dont have a screenshot handy, but I leave my phone with Wifi calling enabled at work (in a basement with no cell) and I easily get 18-20 hours out of my phone (light use).

Wifi calling has been a total blessing, I LOVE that feature. No idea why other carriers do not adopt it.
 
@xKrNMBoYx - Look around the web, I believe there were some known issues with the One S and WiFi calling, they may or may not be resolved yet, not sure.
 
@xKrNMBoYx - Look around the web, I believe there were some known issues with the One S and WiFi calling, they may or may not be resolved yet, not sure.

The issue was resolved. At least our phones were. Knowing that Wi-Fi uses less power then Cellular Signals I switched my settings to Wi-Fi preferred. But it actually made my battery run out much faster so I switched it back.