Database Users

Putting phone into emergency power saving mode

Here is my thought.
I live in Florida, and if a hurricane comes and knocks out power, I would like my cell phone to be able to send/receive e-mail/text, and phone calls. I don't want ANYTHING else to function like Facebook, Words with Friends, etc. to conserve battery life as much as I can.
Is there an easy way to do this in an emergency situation?

Freeze all the apps since you want email you cannot simply turn off data. Also note that there is a good chance power will be out to the cell tower near you as well. Generator power only lasts so long.
Sent from my PantechP4100 using xda premium

In an emergency situation you turn on airplane mode and toggle it once an hour or once every few hours to get messages. Power might be out for days, so you don't want data on all the time as its a waste and you prob don't need texts and emails immediately.
Sent from my SPH-D700 using XDA

For that situation I would buy a car jump starter and use that to charge your phone.
Sent from my Nexus S 4G using Tapatalk 2

lynyrd65 said:
For that situation I would buy a car jump starter and use that to charge your phone.
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You would just need a charged car battery and cigarette lighter charger.
Sent from my SPH-D700 using xda premium

You know it would be cool to have an app where you choose certain apps out of your app list to be frozen and unfrozen on command. Like a widget clicker or even a status toggle. Just an idea.

Also just curious but if power get knocked out wouldn't that kill the towers as well? Or do they have emergency batteries?

kennyglass123 said:
Freeze all the apps since you want email you cannot simply turn off data. Also note that there is a good chance power will be out to the cell tower near you as well. Generator power only lasts so long.
Sent from my PantechP4100 using xda premium
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LOL I know I can do this, but that process seems quite complicated. I was wondering if there was a simpler way.
muyoso said:
In an emergency situation you turn on airplane mode and toggle it once an hour or once every few hours to get messages. Power might be out for days, so you don't want data on all the time as its a waste and you prob don't need texts and emails immediately.
Sent from my SPH-D700 using XDA
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If I am going to do this, wouldn't it make even more sense to just shut the phone off?
schnowdapowda said:
You know it would be cool to have an app where you choose certain apps out of your app list to be frozen and unfrozen on command. Like a widget clicker or even a status toggle. Just an idea.
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THIS is exactly what I was thinking. Exactly.

schnowdapowda said:
You know it would be cool to have an app where you choose certain apps out of your app list to be frozen and unfrozen on command. Like a widget clicker or even a status toggle. Just an idea.
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Titanium Backup has widgets that will do this.

https://play.google.com/store/apps/details?id=com.latedroid.juicedefender&hl=en

DurhamHusker said:
Titanium Backup has widgets that will do this.
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Damn if he ain't right. How do you set the filters?

Keep in mind your TWS % is a big factor in battery drain. Also, if your area gets a direct hit, you most likely won't be able to call out. Texting will still work.
I know this from experience during Katrina. Anyone in the 504 code was SOL for calls, but text and direct connect still worked.
Sent from my SPH-D700 using Tapatalk 2

nikon120 said:
Keep in mind your TWS % is a big factor in battery drain. Also, if your area gets a direct hit, you most likely won't be able to call out. Texting will still work.
I know this from experience during Katrina. Anyone in the 504 code was SOL for calls, but text and direct connect still worked.
Sent from my SPH-D700 using Tapatalk 2
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Yep same with people in 941 durin wilma... texts were fine, but no calls...

Magic Oreo said:
https://play.google.com/store/apps/details?id=com.latedroid.juicedefender&hl=en
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i was going to suggest this app. Juice Defender has preset power save options, it runs balanced by default, u can go up to advanced to save more battery and extreme to save alot of battery. You can also set up a custom plan to shut down pretty much everything but what u want.

Maps really killing battery

I just updated maps today and noticed that it is REALLY killing my batteryblike really bad!!! Anyone else have this issue?
Sent from my SPH-L720 using Tapatalk 2

Same here
aaron130 said:
I just updated maps today and noticed that it is REALLY killing my batteryblike really bad!!! Anyone else have this issue?
Sent from my SPH-L720 using Tapatalk 2
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Hello,
I have had the same issue on many android devices. I believe that it stems from the "google now" application, which isn't even really well implemented on the GS4 anyway.
You can make it use less battery by turning off GPS when not using it, or if it really bothers you, you can always turn off location services.
What I have done is turn off all the cards in google now that use location, so things like weather, traffic, photo spots, public transit, etc...
This has helped my battery life a lot, more so on my Nexus 4 than my GS4, but still helpful nonetheless.
By the way, Ins't the GS4 the most kickass phone ever? xD

aaron130 said:
I just updated maps today and noticed that it is REALLY killing my batteryblike really bad!!! Anyone else have this issue?
Sent from my SPH-L720 using Tapatalk 2
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If you have root access on your phone I would suggest this app:
http://forum.xda-developers.com/showthread.php?t=2155737
it will hibernate apps and save you lots of battery life.:good:

[Q] Why is Google services killing battery?

The number one thing killing my battery in the settings menu is Google services.. How is this possible. The screen isn't even number one.. Has anyone experienced this being the main cause of battery drain? Is their any way to fix this?

Do you have sync enabled? Thats the name in the battery stats for your phone syncing accounts
Sent from my SAMSUNG-SGH-I337 using Tapatalk 2

Also turn off location reporting

LostInMyHead said:
Also turn off location reporting
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I thought location reporting was referred to as "Maps" in battery stats

danny39 said:
I thought location reporting was referred to as "Maps" in battery stats
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Not sure what it does down as, but it'll drain you bad...

LostInMyHead said:
Not sure what it does down as, but it'll drain you bad...
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You can say that again

LostInMyHead said:
Also turn off location reporting
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Best way to turn this off?

blyndfyre said:
Best way to turn this off?
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In Settings => Location services

I believe also if you have the smart screen features on it will also show up as that
Sent from my GT-I9505 using xda premium

LostInMyHead said:
In Settings => Location services
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Well that was simple. Thanks.

[Q] GPS signal searching every 10 seconds...

My new S4 searches for GPS location every 10-15 seconds for some reason. Can I find out what app is doing this, or does anyone know why it does it? Thanks.

sether52 said:
My new S4 searches for GPS location every 10-15 seconds for some reason. Can I find out what app is doing this, or does anyone know why it does it? Thanks.
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Do you have GPS & all location services enabled? Or an app that has location services enabled? Also how can tell it is searching every 10-15 seconds?

Joe0113 said:
Do you have GPS & all location services enabled? Or an app that has location services enabled? Also how can tell it is searching every 10-15 seconds?
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I do have all that enabled, yes. And I know it because the GPS crosshairs show up that often.

sether52 said:
I do have all that enabled, yes. And I know it because the GPS crosshairs show up that often.
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Download a battery monitoring app (I HIGHLY recommend GSam Battery Monitor) and see what is using your GPS signal.

Joe0113 said:
Download a battery monitoring app (I HIGHLY recommend GSam Battery Monitor) and see what is using your GPS signal.
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It might be smart Wifi. Go into your advanced wifi settings and turn it off. (It uses GPS to determine when to look for wifi)

I believe you may have a user app running in the background that is constantly accessing your location. Kill user apps one at a time until the gps indicator stops flashing or you may find the culprit by checking the permissions of recently installed apps.
Sent from my SPH-L720 using xda app-developers app

Or just turn off GPS when you are not using IT?
Sent from my SPH-L720 using Tapatalk 2

daniel4653 said:
Or just turn off GPS when you are not using IT?
Sent from my SPH-L720 using Tapatalk 2
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^this
Sent from my SPH-L720 using Tapatalk 2

daniel4653 said:
Or just turn off GPS when you are not using IT?
Sent from my SPH-L720 using Tapatalk 2
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I have GPS on 24/7 and it doesn't drain my battery. I've been averaging one day with 3hr + on screen time. It must be an app draining his battery this bad.

Joe0113 said:
I have GPS on 24/7 and it doesn't drain my battery. I've been averaging one day with 3hr + on screen time. It must be an app draining his battery this bad.
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Joe all phones are different. I turn mine off when in am not using it to prevent this. But more than likely the OP has a rouge app.
Sent from my SPH-L720 using Tapatalk 4 Beta

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Thanks! I think smart WiFi was the ticket.

Help me with this wakelock

So I was just trying to check how good is my battery life with juice defender. And I found out this Wake lock, this is showing that my phone have never been sleeping, does anyone knows if this part from the juice defender or an android system Wake lock?
Sent from my SM-N900V using XDA Premium 4 mobile app

Ambkor said:
So I was just trying to check how good is my battery life with juice defender. And I found out this Wake lock, this is showing that my phone have never been sleeping, does anyone knows if this part from the juice defender or an android system Wake lock?
Sent from my SM-N900V using XDA Premium 4 mobile app
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I think that's the radio, and it might just be there because it has to be. Might also be other apps causing the radio to be active constantly, though.
Although I don't actually know anything about this (besides that RIL stands for Radio Interface Layer), so I'm probably wrong.

I'm having the same issue, and still can't figure out what's causing it. If you figured it out please report back.
Sent from my Nexus 7 using Tapatalk 4

URPREY said:
I'm having the same issue, and still can't figure out what's causing it. If you figured it out please report back.
Sent from my Nexus 7 using Tapatalk 4
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I just moved to HD rom and my battery life have been awesome, so i havent check my battery stats but I willcheck them to see if it was juice defender or just google. :highfive:

So it looks like it was Google analytics the reason why the phone stay awake when is connected to wifi
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Ambkor said:
So it looks like it was Google analytics the reason why the phone stay awake when is connected to wifi
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Thanks for the followup

I have same similars your wakelock, I am running HD rom and I am getting lot wakelock on kernel side. Battery life still awesome solid and I don't know if it makes difference.
Here screenshot

chrootz said:
I have same similars your wakelock, I am running HD rom and I am getting lot wakelock on kernel side. Battery life still awesome solid and I don't know if it makes difference.
Here screenshot
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Thats really weird, have you modified the kernel at all? you should try to reinstall the rom fresh.

Nothing modified or tweaking at all, Just complete stock kernel coming from Hyperdrive ROM and I still getting excellent battery life. Weird
Ambkor said:
Thats really weird, have you modified the kernel at all? you should try to reinstall the rom fresh.
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