Why is wifi killing my battery - Asus Transformer TF700

I'm on stock jelly bean and only getting just under 3 hours of screen on time. This is horrible and besides screen drain I'm getting most of the other drain from wifi. Anyone know whats going on? Any help would be greatly appreciated
Edit. After Google I see it's a known issue
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mike216 said:
I'm on stock jelly bean and only getting just under 3 hours of screen on time. This is horrible and besides screen drain I'm getting most of the other drain from wifi. Anyone know whats going on? Any help would be greatly appreciated
Edit. After Google I see it's a known issue
Sent from my ASUS Transformer Pad TF700T using XDA Premium HD app
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Try killing off Google maps if it's running.
Shut blue tooth and GPS off if not using them.
These couple of things might help.

One thing to know and remember: The percentage mentioned is not how much of your battery it uses, it's how much of the current battery usage belongs to the app/component.
Running any live wallpapers? Auto brightness? Which power-setting mode? Location services?

i am having the exact same issue, balanced mode, 35% brightness, no gps, bluetooth on etc and having only 3 hours on screen? Unfair because this tablet is perfect other then that

I would assume it's normal, it might use more than it's supposed to but wifi and screen will usually be the worst sinners, depending on what use of course.
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fordwolden said:
I would assume it's normal, it might use more than it's supposed to but wifi and screen will usually be the worst sinners, depending on what use of course.
Sent from my GT-I9300 using xda premium
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Thanks bud. It's definitely not normal. After doing research I come to find out its a problem with Asus code. Wifi should never be anywhere close to being reported by the battery use stats. Hopefully we will see a fix sooner or later
Sent from my OGparanoid CM D2tmo

If I am not mistaken an update came out either yesterday or today that had the WiFi issues noted in the changelog. Check the ASUS website.
Sent from my unlocked Transformer Infinity

I looked I didn't see anything but it's great news!
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Related

Battery usage not available?

When I go to check battery status in the settings menu, it says that battery usage not available. Anyone else getting this or know why I am?
Sent from my Transformer Prime TF300T using xda premium
Update your firmware to. 29... It is fixed in the update
Sent from my HTC HD2 with WP7.5/android miui using tapatalk
Partially fixed in .29, but still limited battery stats that only show display, wifi but not app use.
Thanks for the replies!
Same here after update to .29 no problems. However no detailed information about apps usage. Only maps, screen and inactive are displayed.
Sent from my ASUS Transformer Pad TF300T using XDA
cpiso said:
Thanks for the replies!
Click to expand...
Click to collapse
Note! If you go to .29 and you have a rooted .17 your root is gone and you need to redo it.

Wi-Fi power drain?

Maybe just new to the tablet but.. Wi-Fi sucks battery like no tomorrow. Maybe it's the battery monitor built in that doesn't read it right but when Wi-Fi is using 70-80% of the battery (by far bearing screen). Just curious if anyone else has the same thing. Get great battery time with it as long as I'm not paying with it, and in standby it uses next to nothing. Just when on the Wi-Fi goes into overdrive.
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Deathman20 said:
Maybe just new to the tablet but.. Wi-Fi sucks battery like no tomorrow. Maybe it's the battery monitor built in that doesn't read it right but when Wi-Fi is using 70-80% of the battery (by far bearing screen). Just curious if anyone else has the same thing. Get great battery time with it as long as I'm not paying with it, and in standby it uses next to nothing. Just when on the Wi-Fi goes into overdrive.
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My understanding is that the built-in battery monitor just isn't accurate....
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Ok cool. I figured that was the case just as it is with my phone. Just had an older phone that was really accurate so just use to that.
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Terrible Battery Drain

I could use some help here...I have been on Turge's Viper ROM for the last few weeks and getting fantastic battery life (increasingly better with each time I charge the battery). Well, today I took my phone off the charger and it has now dropped from fully charged to 80% in just an hour and 1/2, with very light to no usage, and mainly on Wi-Fi. The only thing that I can think of that is different is that I just got a new router. Is it possible that a new router could somehow be impacting battery life? I have not changed any of my wi-fi settings or other settings, really just been "business as usual" with this sudden battery drain.
If anyone has any ideas or suggestions for what could be causing this and how to fix it, please comment!
(screenies to follow)
Sent from my Transformer Prime TF201 using xda premium
ignore
Sent from my Transformer Prime TF201 using xda premium
Dropped another 10% in the last 15 minutes...
Sent from my Transformer Prime TF201 using xda premium
try increasing wifi scan interval!
Thanks - I'll try that. Where is that option found?
Sent from my HTC One XL using xda premium
Sounds more like you have a bad app hung open to me. I would start there
Sent from my One X using Tapatalk 2

Contrast degradation

I noticed my TF700 is suffering from contrast degradation after prolonged use. I could be using the browser and then the screen seems to kinda whiten up a bit more then usual. It's still readable but noticeable. Wondering if anyone else is noticing this and if it has been noticed does it get worst because mine is happening more often now.
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Turned off Auto Brightness?
Turned off Battery Saving? Not the speed toggle, the one in settings that turns on when battery gets low. This has an auto-contrast.
So that settings / power savings / first selection battery saver. Thanks I will post results.
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I'm still getting the weird contrast.
Sent from my ASUS Transformer Pad TF700T using Tapatalk HD
It sounds like the effects of the Asus "Smart Backlight Adjuster". Go to "Settings->Asus Customized Settings->Enable Smart Backlight Adjuster" and uncheck that option - I think that will solve your issue... This is completely different (and separate from) the auto-brightness setting.
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Thanks I will try it when I get home. Kinda driving me nuts. Instead of the solid black letters I get light grey letters. Harder to read. Just started happening maybe 2 weeks ago.
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Eroc162 said:
Thanks I will try it when I get home. Kinda driving me nuts. Instead of the solid black letters I get light grey letters. Harder to read. Just started happening maybe 2 weeks ago.
Sent from my LG-P999 using Tapatalk 2
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Are you talking about xda? If so change your theme to xda 2010 at the bottom
It starts up fine then after a while when it gets warm everything gets lighter. More noticeable when browsing the web.
Sent from my LG-P999 using Tapatalk 2
Eroc162 said:
It starts up fine then after a while when it gets warm everything gets lighter. More noticeable when browsing the web.
Sent from my LG-P999 using Tapatalk 2
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Hmm, that actually sounds a little more serious that just the setting that I talked about a few posts back... Almost sounds like a hardware issue.
Let us know what you find out - a picture would also help. In fact, if you take a screenshot with the TF700 and post the picture and the picture looks fine, then it would definitely be a hardware problem (the screenshot would capture what is supposed to be displayed - if it's a hardware problem, the screenshot would look normal to everyone else, but would still look bad to you, if that makes any sense)...
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I have the same problem, noticed yesterday for the first time. It looks as if contrast is lower and brightness higher than normal.
I am still within my 30 day best buy return period, should I consider returning it? I have unlocked it, would best buy care?
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Yeah that's what Im experiencing. I have a square trade warranty but I'm curious to see how they will remedy this. They would have to use it for a bit till it warms up.
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jtrosky said:
It sounds like the effects of the Asus "Smart Backlight Adjuster". Go to "Settings->Asus Customized Settings->Enable Smart Backlight Adjuster" and uncheck that option - I think that will solve your issue... This is completely different (and separate from) the auto-brightness setting.
Sent from my ASUS Transformer Pad TF700T using Tapatalk 2
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Tried this just now and first impression is positive, I hope it stays like that. Thanks
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This is smart dimmer activating..
Two days later and haven't noticed the issue reappearing. Deactivating that setting fixed it for me.
Sent from my ASUS Transformer Pad TF700T using xda app-developers app
Yeah its working for me also. I'm happy. Thanks
Sent from my LG-P999 using Tapatalk 2
Cool - glad that if fixed it for you guys. Personally, I don't know what Asus was thinking with that one! It's utterly horrible! At least they finally provided a setting for it (previously, you had to be rooted and type some commands @ the Android command-prompt to disable it)!
Sent from my ASUS Transformer Pad TF700T using Tapatalk 2

.[Q] Keyboard with no battery

Hi there,
It's about time I root my infinity but before I do I just want to check up on some issues to see if it's warranty or just an annoyance I'll have to live with...
Whenever my keyboard is out of battery while the tablet is not, my tablet seems to turn off while not being actively used. Is the the way it's supposed to work, or at least the way it works for everyone?
Thank you for reading!
//BloomTwig
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BloomTwig said:
Hi there,
It's about time I root my infinity but before I do I just want to check up on some issues to see if it's warranty or just an annoyance I'll have to live with...
Whenever my keyboard is out of battery while the tablet is not, my tablet seems to turn off while not being actively used. Is the the way it's supposed to work, or at least the way it works for everyone?
Thank you for reading!
//BloomTwig
Sent from my ASUS Transformer Pad TF700T using xda app-developers app
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Yep, if you mean turns the screen off. You can set the time out under display settings. No, if you mean completely shuts the tab down.

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