Develop Bugs

[Q] Is WiFi better for battery life than 3G?

Read a couple posts about this, but I would like to confirm if this is true with our EVO's. Is using WiFi better for the battery than 3G when it comes to draining it? If this is true, it would be nice since my work and house both have excellent wireless connections. Before, I always thought wifi would use more battery since the antenna is always on..

Yes
4,6,8,1

By far..like twice as good.
from my EVO using XDA app.

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from my EVO using XDA app.

jacoballen22 said:
By far..like twice as good.
from my EVO using XDA app.
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If it was 2x as good I could get 52 hours on a single charge! But that wont happen.
Sent from my PC36100 using XDA App

Okay maybe 1.5x good lol. It is faster AND better on the battery. How do you get 26 hours on 3g?
from my EVO using XDA app.

jacoballen22 said:
Okay maybe 1.5x good lol. It is faster AND better on the battery. How do you get 26 hours on 3g?
from my EVO using XDA app.
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Im interested to know this too!!!

I just got 15 hours on Wifi..of course I was sleeping half of those hours but I got in some YouTube videos and internet surfing. I took it out with 8% though. My batteries last way longer when I use the external charger too.
from my EVO using XDA app.

jacoballen22 said:
Okay maybe 1.5x good lol. It is faster AND better on the battery. How do you get 26 hours on 3g?
from my EVO using XDA app.
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AVA's ROMs give me best battery life. I never turn off data and best battery life was 27 hours on single charge. That was with less than avg use though. I typically get between 18-20.
Sent from my PC36100 using XDA App

36 hours on a charge. Its poosible

Under minimal use i ran for 36 hours on single charge. Running eagle blood 1.0. Using some tweaks and stuff.
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Sent from my SGH-T989 using XDA App

What tweaks did you used?

impressive! mine doesnt last that long because im always on xda from phone, texting playing games and streaming google music which takes alot...etc....

does eagleblood provide better battery use compared to stock (rooted with bloat removed)

I'm on EB too & batt life is pretty great. I'm a pretty heavy user(BT streaming for 2-5 hrs a day, up to an hour of phone calls, hour or two of web surfing, and hundreds of texts) & I can still make it all day just fine on a single charge. I think it's partly the rom but mostly that our phones just have damn good batteries. Even on stock I got good life.

Holy crap!
that is a major record !

AllGamer said:
Holy crap!
that is a major record !
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I used to get that on my Sensation also day & 1/2 +

Might give that rom a shot.. But im kinda waiting for roman or whitehawk to make an apearence lol
Sent from my SGH-T989 using xda premium

Wow that's awesome! I did something and my BL was horrible on EB 1.0 updated to 1.1 and it's awesome again.
Sent from my SGH-T989 using xda premium

HRodMusic said:
Might give that rom a shot.. But im kinda waiting for roman or whitehawk to make an apearence lol
Sent from my SGH-T989 using xda premium
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whitehawk already released a ROM with Faux and some others.......

My wife gets that with stock! Two push accounts, news widgets, fair amount of calls and texting!

my T999 has been giving me pretty bad battery life.

80% in one hour. its ridiculous is it me or the phone?
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Sent from my SGH-T999 using Tapatalk 2

Need more info, my guess is a background app. Looks like you are stock 100%? That's your problem, lol... Just messing. What is your screen time? Click on display to see that... You're in a 4g area so signal shouldn't be the culprit. Your media is #1 user, but why, were you using it?

More like an hour and a half close to 2..if you used it for like 20 to 25 minutes I would think it's common. Like dude said above me we need screen time, also data technically eats battery away faster than wifi just a thought. Brightness is important too maybe you can try power saving mode, don't expect much difference though. Darker wallpaper helps, but most importantly are you auto syncing and if so which apps it usually starts there. Every little bit helps, most powerful phones have average battery life. Unless you start undervolting voltages and cpu that's where you see the big difference.
Sent from my SGH-T999 using xda app-developers app

prettyflybrownguy said:
80% in one hour. its ridiculous is it me or the phone? View attachment 1767266
Sent from my SGH-T999 using Tapatalk 2
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One word.. Infamous..

i have my background limit set to 2. and i even use juice defender ultimate.
Sent from my SGH-T999 using Tapatalk 2

View attachment 1768398 this is today, with background tasks set to 2. and underclocked to 1ghz max.
Sent from my SGH-T999 using Tapatalk 2

also, when i try to flash ANYTHING it comes up with an error. any advice on that as well? i really want to try a new rom as well.
Sent from my SGH-T999 using Tapatalk 2

Has to be a rogue app. Try wiping the phone and reinstall everything with increments to get to the root of your problem.
Sent from my SGH-T999 using xda app-developers app

100% awake time, horrible battery life.

Okay guys, I hope this phone gets better battery life than 8 hours, and I'm not hard on a phone at all. Any ideas on this? My wake locks are horrible for some reason and I'm running the synergy r71.
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Sent from my GNII.

saboture said:
Okay guys, I hope this phone gets better battery life than 8 hours, and I'm not hard on a phone at all. Any ideas on this? My wake locks are horrible for some reason and I'm running the synergy r71.
Sent from my GNII.
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Install BetterBatteryStats. Great tool for identifying what's killing your battery. You may post some screenshots if need be.
Sent from my Nexus 4 using xda premium

saboture said:
Okay guys, I hope this phone gets better battery life than 8 hours, and I'm not hard on a phone at all. Any ideas on this? My wake locks are horrible for some reason and I'm running the synergy r71.
Sent from my GNII.
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Deep sleep battery will help alot as well your at 49% so if you think of it by the time you are drained to 10 youll probably have about 18+hrs of battery
Sent from my SPH-L900 using xda app-developers app

budde2 said:
Deep sleep battery will help alot as well your at 49% so if you think of it by the time you are drained to 10 youll probably have about 18+hrs of battery
Sent from my SPH-L900 using xda app-developers app
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Yeah alot of people freak out when tbe phone gets to about 50% they don't realize that thats half the day usually. ... and it also depends on how long your last flash was it takes a few days forvthe kernel to settle.
Sent from my SPH-L900 using JellyBombed Tapatalk 2

Heat issue / over heating

The heating / over heating people notice isn't the phone itself...
What the heat or hotness people feel coming from the back of the phone near the l.e.d is actually where the contact points are for the WiFi...
So its not the battery or CPU over heating its the WiFi actually pulling an excessive amount of juice while trying to either connect to a poor router signal or a heavy download...
Sent from my LG-LS970 using Tapatalk 4

Interesting.... Is this a fact? Cause I run wifi all the time at my place on lifeless and there's no heat, but on cm or dirty unicorns it heats up. The same spot you mentioned.
Sent from my LG-LS970

Yes I will post pic of were the contacts are located and where they meet the back of the phone...
Sent from my LG-LS970 using Tapatalk 4

Here's pics of WiFi
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Sent from my LG-LS970 using Tapatalk 4

bigfdaddy2 said:
Here's pics of WiFi
Sent from my LG-LS970 using Tapatalk 4
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Interesting.....

I never wouldn't thought it were the Wi-Fi but now this actually makes sense. A couple of times lately I've noticed my phone burning up just doing routine downloads. I knew it wasn't anything taxing the CPU too much...
Sent from my LG-LS970 using XDA Premium 4 mobile app

I never would of either until I was messing with the Sim card mod.. Hope it helps everyone ...
Sent from my LG-LS970 using Tapatalk 4

That's interesting. I've noticed that it heats up pretty nicely while I make my daily back ups for Stock and AOSP.
LGOG
"Tu madre"
Rooted my phone

If you look at the CPU or battery temperature, it's usually hot when the back feels hot. All that depends on the thermal driver in kernel. I haven't played around with that a ton, but usually show-p1984's from bricked kernel for the N4 works well for me.
Sent from my LG-LS970 using xda app-developers app

I turned off that thermal daemon monitor from a thread awhile back... figure it makes a good hand warmer. if he dies, he dies lol.