[Q] Can you leave the screen on all night? - Verizon Samsung Galaxy Note II

I see there are some Night clock apps to show the time, but is the phone safe to keep displaying the time all night? Of course it would be on a charger so battery drain isn't an issue.
dja2k

No you will get screen burn in. Don't do it unless you want your screen to look like **** buddy. Not worth it
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Gentle alarm. It can go super dim and can move the clock around to prevent screen burn.
We've used it for years.
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Related

Smart Stay

Does Smart Stay drain the batter?
bump
Sent from my GT-I9300 using XDA
Shouldn't be any different to leaving the screen on when using it. When the screen is on its using battery, smart stay would just work much the same way only you don't go need to unlock the screen every 1 minute.
SOS38 said:
Shouldn't be any different to leaving the screen on when using it. When the screen is on its using battery, smart stay would just work much the same way only you don't go need to unlock the screen every 1 minute.
Click to expand...
Click to collapse
how do you even activate it?
ive never even noticed it working on mine and not seen a setting for it anywhere
hpsauce37 said:
how do you even activate it?
ive never even noticed it working on mine and not seen a setting for it anywhere
Click to expand...
Click to collapse
Menu / settings / display / smart stay (check box)
Activates just before your screen timeout. An eye icon will appear on the status bar for approx 1 sec and either display off or remain on for another timeout.
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Ya except now you are engaging the ffc consistently
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From what I've seen it only fires up the ffc just before the screen was due to sleep, to check you're still looking, so better than constantly tracking your eyes.
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TheMathMan said:
From what I've seen it only fires up the ffc just before the screen was due to sleep, to check you're still looking, so better than constantly tracking your eyes.
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Click to collapse
Exactly as in my previous post.
Based on that, (probably) any additional battery used is negligible.
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I think my battery drains too quickly is this right?

Hey all.
In my s3 I played a game for 10 mins and for rest of time I was installing apps and tapatalking is my battery draining too quick?
After full charge in 1hr 20,% lost
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Hey
If you've lost 20% with your screen on constantly for an hour and a half and played a battery hungry game for 10 mins then I'd say you're getting average battery performance.
That side, you can hardly give it definitive answer Based on the info you've given. My advice is to grab Better Battery Stats from Play Store and run your phone normally for a couple of days.
The big problem with this phone is that it's impossible to put down though
Sent from my GT-I9300 using xda app-developers app
ur mobile coverage is rather bad...
could be d cause.
looks normal to me for continue use.. screen, wifi, etc on almost the entire hour and a half. once the device goes idle/sleep the "awake" bar should not be blue, otherwise if it stays blue that means a app or something is keeping it awake.
I had avast anti virus and it was keeping my phone awake.. So I uninstalled that
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I don't know now which app is keeping my phone awake.. How to check?
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swapniltiwari said:
I don't know now which app is keeping my phone awake.. How to check?
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Click to expand...
Click to collapse
Better Battery Stats for the apps and wake_locks and cpu spy for cpu sleeptime mate
You can also disable fast dormancy.
Envoyé depuis mon GT-I9300 avec Tapatalk
That seems normal to me. I bought a second Samsung battery. Now, I'll never be afraid of running out of juice! It's worth it compared to getting a 4,000mAH battery that makes your slim samsung turn into an obese samsung. :fingers-crossed:

JuiceDefender on Note 2

Anyone else using it? I've used it since OG Droid, and it's always the first app installed on any phone I get. It claims to be giving me 2.01x battery life, and with any other phone I believed it but I'm seeing people post 2 days no charge and I get about 1.25 days with very heavy use, unless I'm at work (12hr shifts 4 days a week). Thoughts? Some people claim it's junk, and I'm not so sure with a battery as big as ours we need it, or if there is a better alternative? I mean we already have a Battery Saving Mode...
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I'm using it,I think if you configure it with the right settings it can save you a good amount of battery.
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I personally don't think it's needed on this phone because how long the battery already lasts and I like my smartphone to stay smart. But on my lg spectrum I used deep sleep battery saver, it was pretty good.
Also on a side note time up isn't as important as screen time. I could get days if I didn't use the phone, but if you are always on it 12 hours is pretty good
Sent from my SCH-I605 (AKA NOTE 2)
I think battery saving apps are obsolete now because phone's are becoming more battery efficient and batteries are becoming larger (Mah). I don't see any need for a battery saving app anymore especially with this phone. Just uninstall it and some more RAM
I use deep sleep battery pro. very easy to set up
Sent from my Nexus 7 using xda app-developers app
no need
I use to use that app with my gnex and evo 4g but, I leave 4g on and gps and still after 14 hours have 50% battery left... this phone is a ogre!!!
speedfreak228 said:
I use deep sleep battery pro. very easy to set up
Sent from my Nexus 7 using xda app-developers app
Click to expand...
Click to collapse
Me too. Not sure how much it saves but with my set up it seems to...
Sent from my Beans6/Perseus pimped Note 2
I also have battery widget reborn and it says that i average 1 day and 7 hours battery. Idk how accurate it is... The battery app seems to help out a tremendous bit
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Beans 6 rom with persus kernel profile g5. I usually get 4.5-5.5 hrs screen time
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I installed juice when I first got the phone and stopped running it because I feel like already get such great battery life there's no need for it. Im running beans rom woth stock kernel and getting 20 hours woth around 4 and a half to 5 hours of screen time with 4g on all day. I never use wifi
Doin' big thangs from my Note Deuce
speedfreak228 said:
I use deep sleep battery pro. very easy to set up
Sent from my Nexus 7 using xda app-developers app
Click to expand...
Click to collapse
Saw your profile picture. Posting in here to say nice evo! Miss mine.
Anyway how are you guys getting so much battery life Im only getting about 12 hours until Im at 38 percent?
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importunerdj said:
Saw your profile picture. Posting in here to say nice evo! Miss mine.
Anyway how are you guys getting so much battery life Im only getting about 12 hours until Im at 38 percent?
Sent from my SCH-I605 using xda premium
Click to expand...
Click to collapse
Thanks! I had a red evolution x that I sold that was well modded. I still miss that car lol. I use deep sleep battery saver with the profile set to balanced.
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I'm currently at 32% since last charge. I'm at one day 3 hours, with five hours of screen time. I use one power guard.
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Qualcomm Snapdragon BatteryGuru

Qualcomm released an app for anyone with Snapdragon that will extend your battery life and monitor what you do to better control the processes. I just downloaded it and it is in "Learning mode" so I will be excited to see how much savings I get when it has learned and starts saving.
http://androidcommunity.com/qualcom...uru-aims-to-boost-your-battery-life-20130528/
Installed and also in learning mode. Hopefully this helps even more! Thanks for the info.
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I have been using it for a while in beta, I can't say it's really helped, but the Wi-Fi control is nice.
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Hmm im gonna try it out.
IDK if it does anything. I've had it for a while now and I use it along with 2x Battery. I get 14-16hours out of my DNA for what it's worth or roughly 3 hours screen time.
I'm pretty sure if u got notification toggles and turn on/off WiFi and data connections manually you'll get the same results if not better
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I didn't like it myself. It kept screwing around with screen brightness. I like my on auto brightness., I think it kept putting it on low. And it kept turning on my wifi and searching for connections. Just my 2 cents.
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I didn't like it, it kept turning on my wifi when I didn't want it on and I don't think it did anything for my battery at all.
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I've been using it for a month and definitely helps. You can go to settings and turn the wifi control off so the app will have no control of it.
Sent from my HTC6435LVW using xda app-developers app
Well, I feel it does its job well. The point is to be efficient as possible depending in usage. No matter what, it isn't gonna give you hours of extra on screen time. I feel its main purpose is to manage the battery better when ur NOT using ur phone. So far, I haven't used my phone much other then to read some texts, emails and xda and this is what my battery looks like right now.
Best day Ive had was a 21 hour day with moderate usage (YouTube, texting, emails, minor gaming). That was after letting batteryguru was out of learning mode.
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Downloaded yesterday and I'm still in learning mode.
I turned off WiFi control as I toggle it on/off as I need it throughout the day, so I feel this would be a little redundant.
I like the concept of the app and hoping it helps out; once I'm finally out of learning mode that is.
hrtl said:
Downloaded yesterday and I'm still in learning mode.
I turned off WiFi control as I toggle it on/off as I need it throughout the day, so I feel this would be a little redundant.
I like the concept of the app and hoping it helps out; once I'm finally out of learning mode that is.
Click to expand...
Click to collapse
Last day without Battery Guru I had 7% remaining after 15 hours and 53 minutes. First day post-learning mode, I had 13% remaining after 15 hours and 49 minutes with 3 hours and 3 minutes of screen on time. Sadly, I didn't have the correct app to determine how much screen on time I had on the first measurement, but I use my phone about the same way every day.
My biggest complaint with Battery Guru is it forces WiFi on when I'm on the road. I'm not seeing a big enough improvement to get excited about and think that me just toggling WiFi on my own will be just as effective.
On a side note, my daughters phone had 3 hours of screen on time and her phone lasted only 11 hours. She has the Droid Razr HD which comes with a 2530 mAh battery whereas the DNA only has 2020 mAh. Quite impressive for the DNA especially considering the larger, true HD screen and quad core processor.
rsims26 said:
Last day without Battery Guru I had 7% remaining after 15 hours and 53 minutes. First day post-learning mode, I had 13% remaining after 15 hours and 49 minutes with 3 hours and 3 minutes of screen on time. Sadly, I didn't have the correct app to determine how much screen on time I had on the first measurement, but I use my phone about the same way every day.
My biggest complaint with Battery Guru is it forces WiFi on when I'm on the road. I'm not seeing a big enough improvement to get excited about and think that me just toggling WiFi on my own will be just as effective.
On a side note, my daughters phone had 3 hours of screen on time and her phone lasted only 11 hours. She has the Droid Razr HD which comes with a 2530 mAh battery whereas the DNA only has 2020 mAh. Quite impressive for the DNA especially considering the larger, true HD screen and quad core processor.
Click to expand...
Click to collapse
You can turn off Wi-Fi management by going into the app's settings. Learning mode came off for me yesterday and my God has it made a difference. You know I forgot to charge again lol.
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Will I have to restart learning mode if I flash a new ROM?
deathrow1992 said:
You can turn off Wi-Fi management by going into the app's settings. Learning mode came off for me yesterday and my God has it made a difference. You know I forgot to charge again lol.
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That has me hopeful! Mine has about 9 hours left.
Cgress22 said:
Will I have to restart learning mode if I flash a new ROM?
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Click to collapse
Simple answer...yes, you will need to download the app again and it will go through a learning period.
Perhaps I'm blind but in the usage statistics I don't see screen on time. I know its gotta be there.
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RyanTX said:
Perhaps I'm blind but in the usage statistics I don't see screen on time. I know its gotta be there.
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Click to expand...
Click to collapse
Yea I don't see it either.
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This app really helps my battery life. I'm still on learning mode too
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firespitta said:
This app really helps my battery life. I'm still on learning mode too
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Click to expand...
Click to collapse
It doesn't start saving battery until after the learning phase I'm pretty sure. Might just be the placebo effect.
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My battery lasts me at the MOST 6 hours...

I feel like I am doing something wrong with my gn2 because everybodu gets at least 24 hours. My screen is all the way down all unused connections are off and im really only browsing rhe web and playing a max of 30 minutes of gaming (typically candy crush) WHAT AM I DOING WRONG?!
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baileygrib said:
I feel like I am doing something wrong with my gn2 because everybodu gets at least 24 hours. My screen is all the way down all unused connections are off and im really only browsing rhe web and playing a max of 30 minutes of gaming (typically candy crush) WHAT AM I DOING WRONG?!
Sent from my SCH-I605 using xda app-developers app
Click to expand...
Click to collapse
If you turned the phone on and used it for 30 mins and then idle it for another 5 and 1/2 hours and it died... then something is wrong.
Rouge app causing wake ups 100% of the time?
Battery is a dud?
monkeyass408 said:
If you turned the phone on and used it for 30 mins and then idle it for another 5 and 1/2 hours and it died... then something is wrong.
Rouge app causing wake ups 100% of the time?
Battery is a dud?
Click to expand...
Click to collapse
What do you mean by rogue app causing wake ups? Here is my battery page...
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Download Better Battery Stats and see if you have an app(s) causing wakelocks and not allowing your phone to sleep.
jcollier said:
Download Better Battery Stats and see if you have an app(s) causing wakelocks and not allowing your phone to sleep.
Click to expand...
Click to collapse
Sounds to me like the NSA is on to you my friend.
From the looks of your screen shot you have alot of things running in the background. Emulator, torrent and media servers drain battery quickly. I can get 2 days with my setup. But if I play words with friends my battery is dead in 4 hours. Some apps are just battery leeches. What Rom n kernel are you running.
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I found out that my dhcp settings on my wifi are c wing causing my phone to do s WLAN wakelock alit. I'm currently in the hospital so when I get out I'm going to fix my network settings
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I'm fully running stock right now. No root or custom rom
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Noticed you said you were in the hospital... How is the signal in there? If you have no signal, your battery will drain looking for a signal.
On your battery stats, click on the graph and screen shot so we can see your wake time.
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koreankabachy said:
Noticed you said you were in the hospital... How is the signal in there? If you have no signal, your battery will drain looking for a signal.
On your battery stats, click on the graph and screen shot so we can see your wake time.
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Click to expand...
Click to collapse
The wifi is always full strength here. I think this is what you wanted.
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Holy crap you have your screen on alot. What is your screen on time? If you are getting 4 or 5 screen on time, that isn't bad. Looks like your phone sleeps when screen is off which is good. I just think you are killing your battery with on screen time. Most people saying they get 1 to 2 day use don't have the screen on that much. I usually get 5 hours of screen time on 4g. However my 5 hour screen on time spands over 15 hours. Also depends on what you are doing when screen is on... Playing games drain vs checking email for example.
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Here is my battery states... Can tell when I got off work and really started playing around with the phone. Was on 4g about 80 percent of the time.
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Another app you can try (which) is free, is CPU spy to check if you is staying or stuck in a high speed frequency, say 1600 mhz
Big Mike's lil R2D2, running PacMan 4.3 saber-mod

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