Has anyone noticed that when you set the Wifi mode to always-on, the battery drains like if the wifi was on "turn off wifi when screen off" mode?
There is a check box in the wifi settings to optimize battery life when using wifi maybe that is the reason?
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I turned off Auto Sync and Background Data to try and prolong battery life.
Is there anyway I can set Gmail to sync automatically while having those settings off?
Or is there a diffrent way to preserve battery life
I also turned down brightness and turned GPS off, Auto adjust screen power off.
Thanks
Contrary to common perception and unlike wifi, GPS does NOT use battery when turned on and idle. It only uses battery when an application is actively using it. There are some firewall apps in the market that let you cherry pick which programs can use your data connection. You can set it up so everything but gmail is prevented from using background data.
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deppeler said:
I turned off Auto Sync and Background Data to try and prolong battery life.
Is there anyway I can set Gmail to sync automatically while having those settings off?
Or is there a diffrent way to preserve battery life
I also turned down brightness and turned GPS off, Auto adjust screen power off.
Thanks
Click to expand...
Click to collapse
Yes, in your case changing Wi-Fi policy will greatly improve your battery.
Change it from always connected to "when the screen is on"
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hi!
I have a sony xperia tablet s and yesterday i got the upgrade to JB
I would like to keep the wireless connection on while my screen tablet is off. I tried the wireless option and i checked "keep the wireless on always" but it doesn't work.
Is there a way to do that?
thanks
Try some of these apps https://play.google.com/store/search?q=wifi+lock&c=apps
Haven't tried them though
Advanced Wifi Lock is the best one out there. Has different settings aswell.
Ubichinon said:
Advanced Wifi Lock is the best one out there. Has different settings aswell.
Click to expand...
Click to collapse
yes! it works even the free version.
Like this i can download file all night long!
advanced wifi lock disables sleep.
sleep policy is disable wifi when sleep is triggered.
sleep is triggered when hitting power button regardless if synching or uploading is going on ignoring sleep prevention mechanic thats build in many apps.
most android devices are build to only put screen off when hit power button leaving sleep on untill not used anymore.
advanced wifi lock is btw huge batery drain you won't notice extended batery life improvements from 4.1.1 if you gonna use advanced wifi lock.
Zer0K3wL said:
advanced wifi lock disables sleep.
sleep policy is disable wifi when sleep is triggered.
sleep is triggered when hitting power button regardless if synching or uploading is going on ignoring sleep prevention mechanic thats build in many apps.
most android devices are build to only put screen off when hit power button leaving sleep on untill not used anymore.
advanced wifi lock is btw huge batery drain you won't notice extended batery life improvements from 4.1.1 if you gonna use advanced wifi lock.
Click to expand...
Click to collapse
Not true. If you enable the option "disable wifi after period of time" (it isnt named exactly like that), wifi is automatically switched off after 20 mins of afk and the tablet goes in to sleep mode.
Ubichinon said:
Not true. If you enable the option "disable wifi after period of time" (it isnt named exactly like that), wifi is automatically switched off after 20 mins of afk and the tablet goes in to sleep mode.
Click to expand...
Click to collapse
wifi won't turn back on then not sync for hours unless turn tablet on and turn on wifi.
and will interfear more with syncing stuff that way then not having advanced wifi lock installed.
no idea whats causing it but i don't have advanced wifi lock turning of screen does't put tablet in sleep anymore.
have no apps running and custom homescreen apex launcher.
wifi has been on for 2 hours non stop
MAC Address Interface Uptime TX Rate RX Rate Signal Noise SNR Signal Quality
xx:xx:xx:xx:xx:xx ath1 2:03:43 150M 6M -46 -95 49 59%
If sleep is being prevented should wake lock detector not show this ?
apearntly google+ was uploading file in background which has ability to prevent sleep, and if sleep is not triggered wifi stay's on.
so guess wifi working fine now as long apps that upload files or sync have ability to prevent sleep.
Under Advanced settings in the WiFi settings menu, there's a checkbox for "Battery saving for Wi-Fi." Anyone have any idea what this actually does? It's separate from disconnecting when the signal is weak or there's no internet available, and I haven't noticed it turning the WiFi off at any time (although I do use Tasker to turn it off when not needed).
Just curious.
Hi,
some time ago I recognized in the detailed battery stats (settings - energy option - battery usage - detailed history) that the orange bar of the WLAN is constantly shown, what would mean Wlan is on all the time - what its not.
now I had some time for testing:
put phone for some minutes in fly mode
than turned fly mode off (mobile data on, Wlan off) waited a while
for that time in the stats, as expected, no activity for Wlan
than turned on Wlan for a short time and turned it off again. waited again for a while
in the stats there is Wlan shown as active/using battery from the point of turning it on and off again till now .. :silly:
Now is the question: is it just an error in the battery stats or is it really still active in the background ..
one way to find out would be, to check the battery life (with similar usage of the phone) with all 4 possible settings, each time a circle off full charge to empty:
1. WLAN off all the time
2. WLAN on all the time
3. WLAN on and off half the time
4. WLAN on and off half the time (putting phone shortly in fly mode after turning WLAN off)
that would be quite time-consuming and still not very accurate?!
battery stat apps seem to need root, so I cant use them
silencar said:
Hi,
some time ago I recognized in the detailed battery stats (settings - energy option - battery usage - detailed history) that the orange bar of the WLAN is constantly shown, what would mean Wlan is on all the time - what its not.
now I had some time for testing:
put phone for some minutes in fly mode
than turned fly mode off (mobile data on, Wlan off) waited a while
for that time in the stats, as expected, no activity for Wlan
than turned on Wlan for a short time and turned it off again. waited again for a while
in the stats there is Wlan shown as active/using battery from the point of turning it on and off again till now .. :silly:
Now is the question: is it just an error in the battery stats or is it really still active in the background ..
one way to find out would be, to check the battery life (with similar usage of the phone) with all 4 possible settings, each time a circle off full charge to empty:
1. WLAN off all the time
2. WLAN on all the time
3. WLAN on and off half the time
4. WLAN on and off half the time (putting phone shortly in fly mode after turning WLAN off)
that would be quite time-consuming and still not very accurate?!
battery stat apps seem to need root, so I cant use them
Click to expand...
Click to collapse
Isn't it normal for it to be on? And I don't think there is a significant effect on the battery as long as auto sync is off.
AndyPhoenix9879 said:
Isn't it normal for it to be on? And I don't think there is a significant effect on the battery as long as auto sync is off.
Click to expand...
Click to collapse
what you mean with " normal .. to be on?" .. if I switch WLAN off, I want it to be off ..
it seems it doesnt do anything in the network anymore, but for the battery stats it looks like its still using battery - if this is significant or not, we have to find out .. in my mind, its still not logical or normal, but maybe only a bug in the battery stats system-app
silencar said:
what you mean with " normal .. to be on?" .. if I switch WLAN off, I want it to be off ..
it seems it doesnt do anything in the network anymore, but for the battery stats it looks like its still using battery - if this is significant or not, we have to find out .. in my mind, its still not logical or normal, but maybe only a bug in the battery stats system-app
Click to expand...
Click to collapse
Check Wi-Fi Advanced settings.
Solution
bookworth said:
Check Wi-Fi Advanced settings.
Click to expand...
Click to collapse
excellent :good:
in the advanced settings the option: "scanning always available - Let Googles's location service and other apps scan for networks, even when Wi-Fi is off" .. disabling, shuts down wlan completely :good:
its so annoying, all the standard useless settings to be enabled ..
why, in gods name, would I want these services to scan for networks if I switch wifi off, I dont get it ..
big thx @bookworth
Can't actually turn battery saver off when the battery is below 25%. Anyone else experiencing this issue? Weather I try to turn battery saver off in quick settings, or regular settings, it stays on.
Yes I have the same problem, it's my only annoyance with this phone (although I've only had it 2 days so maybe I'll find more!). On my old Note 4 I could choose what % the power saver came on at or disable it altogether but I can't find any options like that on this phone.
Anyone get a solution to this problem? It's been pissing me of since I got this phone...
What model? I'm on AT&T and there's no way to automatically turn on battery saver. Haven't had any problems toggling it on any battery level.
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