Screen is draining the battery? - Xperia Arc Q&A, Help & Troubleshooting

Hi, i just noted .. every time that i see the battery usage the most percentage is for the screen!! (41 % after 21 hours) is this normal??
i have disabled the animations and other effects leaving just the bravia engine

Yeah the screen is the biggest battery drainer by quite a bit. Try turning screen brightness down or put on auto if you havent already given that a go
Sent from my Arc using XDA App

Don't worry much about it, it's normal that the display is always on top in terms of usage stats, it's ON most of the time coz we are using it(unless for music wherein display can be OFF).
If you actually want to minimize the battery drain due to display, just set the brightness as low as you can handle(i set mine usually around 30 to 40% brigthness only).
I'm actually surprised that you have low display usage in 21 hours, you must be a very casual user only. As far as I can remember, my fone never last me a day since I bought it. Coz I used 3g/data most of the time, surfing net and messenger.

hmm may be a dumb question but, how i can set the brightness on auto?

I use the Power Control widget on screen. The three options are low, auto and full brightness so its just a case of cycling through each. You will know when youre on auto if you put your finger over the ambient light sensor you should see display adjusting
Sent from my LT15i using XDA App

hmm on android assistant appears "Light sensor not avalible" .. it's possible that my arc doesn't have the light sensor, it's a prototype after all

Not sure mate, maybe. Have u tried a reboot?
Sent from my LT15i using XDA App

Yep still "not avalible" ..
A last question, this arc (just as i said) it's a prototype, a very complete prototype. I just wanna know if this device is Sim unlocked (being a prototype). Or if the bootloader unlock can unlock the SIM too, i want to change of carrier.

please tell me when your battery is almost at the end, check how long was your screen turned on? i get around 4 hours, brightness 30-40%, with auto rotation, bravia off...

Related

Best way to run the battery down?

With the recent ek02 release and the battery improvements that came with it, I'm actually having trouble draining the phone fully (for calibration).
What is the quickest way to run the battery down you know of? Games are allowed too, I've got lots of new ones from the 10c sale.
Transmission sent from my Galaxy S II with XDA Premium
YouTube, netflix, tethering or gaming.
[Insert witty signature here]
Turn brightness all the way up. Play angry birds or ashpault for about two or three hours. That should do it for ya.
Sent from a Blazed SGS II
white background or really light. The brighter the background the more of the screen has to light up
i basically run every app i have in the background, set timeout to never, brightness to max, turn on all the toggles, play music on max volume, and run brightest flashlight free from the market, which you can set to have both the LEDs for the camera on and the screen at max brightness on a white screen, but im not too sure thats good for the phone.
for battery calibration i thought you have to run the battery down from normal use so the phone has an accurate reading of your battery stats (what gets wiped when you calibrate, which is BEFORE you run the battery down). if i have it all wrong someone please correct me, there are so many theories running around about "proper" battery calibrating
Cracked lite app will drain my battery even when it is plugged in
Sent from my SPH-D710 using xda premium
Words with Friends, for sure - takes about an hour to drain.
I do the flashlight trick. (White screen 100% brightness) Added bonus it will clear the screen of any minor burn in.
There's an app called fast discharge on the market that discharges your phone fast.
Sent from my SPH-D710 using xda premium
Let my wife & her mother have a conversation on it...
download all the pr0n!

[Q] Does this look normal? (Gsm Galaxy Nexus)

Does this Battery Use look normal? I'm mainly worried about "Android Os" keeping the phone awake the whole time. This is the first charge after the initial charge drained.
Looks pretty normal to me. Are you using Auto Brightness for your display? Big drain on the battery if so. Try disabling Auto Brightness and adjust the slider to about 20-30 percent and see how that works for you
Normal for first charge. Let it cycle a few times. Check under settings/developer options/apps---don't keep activities. If it is checked thn the OS will run a lot refreshing and deleting app data.
I'm not using auto brightness, just using the power control widget on the half circle mode. Nothing is active/selected in developer options.
Sent from my Galaxy Nexus using xda premium

[Q] Auto Brightness

Just wondering if the auto brightness on the HOX is worth using ?
I have found on other hand sets apart from the Iphone that it ends up using more battery.
So just a basic question do you use auto brightness and if not what sort of level do you have brightness set at ?
colobos said:
Just wondering if the auto brightness on the HOX is worth using ?
I have found on other hand sets apart from the Iphone that it ends up using more battery.
So just a basic question do you use auto brightness and if not what sort of level do you have brightness set at ?
Click to expand...
Click to collapse
hmm, now that you mention it. Putting it on auto actually may draw more power since it always has to adjust itself depending on the light in the environment your located in. I used auto all the time and I get HORRIBLE battery life, cant even get through half a day so I put it on around 40% or so now. I put it between the C and the B in the Automatic Brightness text and I use medium font size. That should be around 40%. Going to report back later to see if it saves battery or not.
Well I have been using around 40% myself for a while now but was reading somewhere that auto brightness is better but I wasn't sure how accurate that information is.
Does the font size have anything to do with battery life ? I have it set to small at the moment.
Auto brightness only works if they do it right, which is to say that it properly sets brightness for a given situation. (100% outside, 0% in darkness, and properly scale between the two extremes)
Yes but on this device is it worth using will it save you more battery life then just say manually setting it at say 40%
For Auto Brightness i use the App "Display Brightness" from Market .
My German review and Download http://www.stadt-bad-soden-salmuenster.de/display-brightness-app/
Gesendet von meinem HTC One X mit Tapatalk 2
I'll have to take a look thank you
Sent from my HTC One X using XDA
Auto brightness actually saves battery. I lose battery even faster than usual when setting costum brightness even when it's way lower than 50%
Sent from my HTC One X using XDA
Really? I guess I'll do some testing do you notice a major difference? Cause setting the brightness myself I keep having to change it for when outside cause if to sunny can't see screen properly
Sent from my HTC One X using XDA
I recommend using auto brightness. It really does save juice unless you put the screen on really really low brightness I guess but that sucks because you can't see the screen
Sent from my HTC One X using XDA

Autobrightness bug

Hello little birdies.
I am having an issue with my auto-brightness and I would like to know if anyone else has experienced this.
Whenever my auto-brightness shines through the power of the sun (goes to 100%) it seems to get stuck at full brightness and my already not so good screen-on time takes a dip and I always notice this too late . I use the quick settings widget which is preinstalled and the A for auto-brightness is set but when I click it the screen immediately lowers the brightness, while the A for auto-brightness remains, and a vain in my forehead pops.
Furthermore after checking badass battery monitor it shows that my screen is often at 100% sun shadowing brightness. Today it was at full mutated power the whole time. Anyone got an idea as to what could cause this? Anyone?
PS. You might have noticed in the text above that I think the screen is really bright when at full power and that I can see the screen perfectly during a warm ball-soothing sunny day.
Yes, I have a bug with auto brightness too. It seems to deactivate itself. I have activated it a couple of times and everytime it deactivate itself at 100 % after some use.
I have an international HTC One X with the latest 1.29.401.11 update.
Glad to know I'm not the only one. I will soon factory reset my phone to check if it magically gets better.
I noticed this last night. My phone was blindingly bright and I didn't understand why it was set to 100%. I set it back to Auto and so far its still on Auto. i will have to keep an eye on this.
HTC really need to fire the monkeys they have working as coders. I guess if their software is not fixed up in next couple of weeks there might be a whole lot of people, me included, who will migrate to the SIII (given of course that it doesn't have a gazillion bugs as well).
I've been trying all day to recreate the problem but ist not doing it. I put my phone in the sun, I tried using the camera app, I used the video app with its 100% brightness setting, but the phone is still showing Auto brightness.
Any ideas on what triggers 100% brightness?
I have the same problem with mine. It's just randomly turns off auto brightness
Sent from my HTC One X using xda premium
I don't know either what triggers it. It seems to deactivate at either 0 % or 100 %.
I don't have many apps installed, if I just do some web surfing and put it to sleep, when I wake it up the auto brightness is deactivated, in maybe 1 of 4 times. Irritating.
For whatever reason i haven't been getting the auto brightness bug for the past three days. Not sure how it resolved itself since I didn't get any software updates.
If you watch a video you can change the brightness and will stick and not go back to your original settings.
Sent from my HTC One X using xda premium
treebill said:
If you watch a video you can change the brightness and will stick and not go back to your original settings.
Sent from my HTC One X using xda premium
Click to expand...
Click to collapse
No, that's not the trigger. I investigated that on my phone and found no link.
I take that back. You are right! It seems the brightness setting in the movie play is the culprit. Although it doesn't always do it. One more thing for the chimps at HTC to fix.
Sent from my HTC One X using XDA
Yesterday the auto brightness bug kicked in right before my eyes. I was browsing the web in total darkness in bed, when suddenly I was blinded by 100% brightness. So it's not just the movie player brightness that causes this issue.
Sent from my HTC One X using XDA
Just got the autbrightness bug with the camera app. Everything seems to ****ing set it off now.. :banghead:
Sent from my HTC One X using XDA
Yeah. That's because the camera jacks up brightness for outdoor visibility. They need to have an option to disable that.
Sent From Mars
Hotzigetty said:
Yeah. That's because the camera jacks up brightness for outdoor visibility. They need to have an option to disable that.
Sent From Mars
Click to expand...
Click to collapse
I realize that, however it doesn't always do it. Also sometimes it will kick into 100% brightness without using the camera or movie player. It seems completely random to me.
mine is stuck at zero. started this morning and I did record a video actually.
auto just takes it.to zero.
but also, if i change it directly from the srttings menu, its not.effecting at all, just staying at the same previous custom level.
whrn using widget, just turns it to zero.
opened the video player, changed brightness level and its normal now. it was in the middle, the video brightness level
ok just edited this post and its malfunctioning again.. arrrgh!
Try an application that controls autobrightness, it should fix the problem. I would recommend Lux Dash.
So it is the widget, powertoggle.
Once I fix the issue by changing video brightness, it works fone, till I toggle the widget to use auto-brightness.
Several comments on PlayStore also confirms this with several phones.
Just don't use auto brightness from powertoggle. It is actually doffetent.from what OP describes, but.people may come up to this thread while searching, so I think it willbe useful to post here.
hxhx
i meet this problem
Auto brightness issue
I too had the same issue, i tried to resolve the problem with htc but unfortunately they said that it is a software but and we need to wait for an update....
ynischa said:
Hello little birdies.
I am having an issue with my auto-brightness and I would like to know if anyone else has experienced this.
Whenever my auto-brightness shines through the power of the sun (goes to 100%) it seems to get stuck at full brightness and my already not so good screen-on time takes a dip and I always notice this too late . I use the quick settings widget which is preinstalled and the A for auto-brightness is set but when I click it the screen immediately lowers the brightness, while the A for auto-brightness remains, and a vain in my forehead pops.
Furthermore after checking badass battery monitor it shows that my screen is often at 100% sun shadowing brightness. Today it was at full mutated power the whole time. Anyone got an idea as to what could cause this? Anyone?
PS. You might have noticed in the text above that I think the screen is really bright when at full power and that I can see the screen perfectly during a warm ball-soothing sunny day.
Click to expand...
Click to collapse

how long does yours last?

my zen if im using with cell data off and lowest brightness (which i feel is still too bright) and letting dragon blaze run for about... 1 hour from 10:20am-3pm and then leaving the screen on i went from 94%-70%... is that good?
i find at work if i only turn the screen on to check the time and turn screen back off thru out the 4 hours i use 3-8%
how long "should" it be lasting if i just do web browsing, pandora, or gps?
again, thanks for reading -hugs-
off-topic: is there a way without much tampering or using another app to bypass the brightness limits? because as I already gave my opinion "i feel the brightness even at lowest is still tooooo bright"
You can use the app "Screen Filter" to dim the brightness below what the lowest is. I use it at night a lot.
Consider your screen on time. I get about 4-5 hours of screen on time before it dies. On standby, it drained about 5% over 6 hours when I didn't touch it at all.
ty for the info

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