How Does Wi-Fi Optimization Function? - Nexus 7 Q&A, Help & Troubleshooting

I just wanted to know how Google uses the Wi-Fi optimization to save battery. I ticked the box to save battery.
Spoiler
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My guess is that they are setting Wi-Fi to scan less often for available networks. Devs have been making that tweak fire a long time.
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Clean ROM 2.5 - leanKernel 0.7

ezas said:
My guess is that they are setting Wi-Fi to scan less often for available networks. Devs have been making that tweak fire a long time.
Sent from my Nexus 7
Clean ROM 2.5 - leanKernel 0.7
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thats what i was gonna say, must just stop scanning for network when your already connected.

Is this feature in 4.2 only?
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Warrior1975 said:
Is this feature in 4.2 only?
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Yes

Are you sure? I googled this and so far the conclusion seems to point that it disable Wi-Fi connection and only wake up periodically. This breaks apps that requires constant data connection, like Google voice.

Related

Xoom update coming

This is from Facebook. Motorola XOOM users on the Verizon Wireless network: starting tonight, a maintenance release is rolling out to you in phases, so watch for a notification on your device that will tell you when it’s ready for download. The update includes required enhancements to support Adobe® Flash® Player 10.2 (coming soon); it also includes a fix for a bug we identified with Daylight Savings time, so be sure to install it!
Thread already started: http://forum.xda-developers.com/showthread.php?t=988738
keitht said:
Thread already started: http://forum.xda-developers.com/showthread.php?t=988738
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My bad. Did not see it.
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Woohooo!!! I'm excited.
Very Good Notice
Do I need to be on 3G to receive the update or will it come over wifi as well?
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Lars1967 said:
Do I need to be on 3G to receive the update or will it come over wifi as well?
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via wifi or 3g...
Heck yes I'm so ready for this!!
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Lars1967 said:
Do I need to be on 3G to receive the update or will it come over wifi as well?
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Data connection, no matter WiFi or 3G.
WiFi should be fine.

Mobile data limit on ics

How to remove mobile data limit in ics? I am constantly getting the notification .
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soundz like data isn't unlimited for you
I'm getting it too. annoying
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did you hit the menu button on that screen you're showing and uncheck "restrict mobile data"?
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On kwiboo's V2 rom data usage seems to be working well!
You should ask in the thread of the ROM you're using, as this isn't a general Nexus S problem.
Okyie may be I'll ask in that thread?
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probably it is a bug
because thoes ICS ROM is not fully functioning yet i think
Same problem
On O2x right here..
Got the same notification. I just set mine so high I knw ill never reach 900 gigs. Lol worked.
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Solved (for me)
I went back to an earlier rom where I could switch the limit off and now i got rid of the message
You can just raise the data limit on the graph as well if you like the other ROM you were on...that's what I did
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Most specific Wi-Fi monitoring app (more specific than "OS Services")?

Hi! My Wi-Fi won't turn off if my phone is asleep. Trying to diagnose what it's keeping it on. Used My Data Manager, but it is too vague:
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OS Services could be anything! Any really specific, maybe down to the process name, monitoring apps?
Thanks in advance,
Did you check the settings to turn off Wi-Fi when not in use? Go under settings, Wi-Fi, menu key.
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MrObvious said:
Did you check the settings to turn off Wi-Fi when not in use? Go under settings, Wi-Fi, menu key.
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I did! I have a whole separate thread on fixing that issue; see it here!
I may have found app called Network Counter. I'll run it overnight and see what's really accessing the WiFi.
Thanks for the help, mate.
ikjadoon said:
I did! I have a whole separate thread on fixing that issue; see it here!
I may have found app called Network Counter. I'll run it overnight and see what's really accessing the WiFi.
Thanks for the help, mate.
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Sure thing.

CPU stays awake in sleep mode for long periods!

Please find attached screenshots, is this normal?
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It's from the Facebook app. When not using it you need to go into application settings and force stop it.
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Or Greenify-Hibernate it. But then you won't receive Notifications. Your pick.
Or even better, uninstall that crap of an app.
The mobile web version is almost the same.
Using Greenify but still CPU usage high... Dont understand why it stays at 51MHz only... I assume it would be better if it does whatever it is doing at high frequency so it takes less time!
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ankushkool said:
Dont understand why it stays at 51MHz only... I assume it would be better if it does whatever it is doing at high frequency so it takes less time!
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A bicycle and a sports car wait at a stoplight at the same speed. So it is for a CPU waiting on network I/O.
But what are the processes that are running for so long!
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Again, any idea which app uses the Download Manager process?
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Why is my 6P always turning WiFi On?

Pretty much sums it up. I have location based wifi turned off but whenever I get in a spot with open WiFi it will turn on automatically. I don't mind it most of the time but I really don't want it to happen at work.
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Hoshneer said:
Pretty much sums it up. I have location based wifi turned off but whenever I get in a spot with open WiFi it will turn on automatically. I don't mind it most of the time but I really don't want it to happen at work.
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Are you on Project-Fi?
No I'm not, I'm on AT&T.
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This did install not long ago and maybe I should delete it. I kinda wondered because I think that may be a project fi app.
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Correct the app is related to Project Fi.
Did you disable Wi-Fi scanning as well?
Ves said:
Correct the app is related to Project Fi.
Did you disable Wi-Fi scanning as well?
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It hasn't happened since I disabled that app, that was definitely the issue.
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