Related
Im trying to find a theme that is efficient and uses low power. I read that there are certain pixel colors that use less energy then other colors.
As an example it uses more energy to produce white pixels then it does to produce black pixels.
I have a SGS vibrant and im trying to determine a good theme that uses low energy ... like black froyo but I want to know if there are other colors that are better in color use then all black.
Sent from my SGH-T959V using XDA Premium App
Each pixel is represented by 3 subpixels. Each one is 8bit number. The lower the numbers of each subpixel, the lower power used to display pixel and darker colour (You can check it in gimp or photoshop ). But be aware that darker colours won't give You noticeable power savings. More You can achieve by reducing brightness.
Sent from my GT-I5700 using XDA App
sgtGarcia[PL] said:
Each pixel is represented by 3 subpixels. Each one is 8bit number. The lower the numbers of each subpixel, the lower power used to display pixel and darker colour (You can check it in gimp or photoshop ). But be aware that darker colours won't give You noticeable power savings. More You can achieve by reducing brightness.
Sent from my GT-I5700 using XDA App
Click to expand...
Click to collapse
I know that its not going to be a noticible change in power consumption but anything helps when you use your phone in excess of heavily.
I was also reading an article (I think it was done by google) about subpixels. They were cutting out or shutting off specific ranges. Since each pixel has an RGB subpixel structure they would run a power test that eliminated the B from the RGB so only RG showed. Or if the subpixels value was above a certain amount to "Kill It".
Do.you know if there's any app's that allow you to reproduce this subpixel killing?
Sent from my SGH-T959 using XDA Premium App
ironlood said:
Do.you know if there's any app's that allow you to reproduce this subpixel killing?
Click to expand...
Click to collapse
Seriously, I don't even think if I read something 'bout it.
PS. : I've checked Your phone & it got amoled screen type ( I didn't check earlier ) , that means that using darker scheme/theme will probably give You bit more than slightly improvement with battery life.
sgtGarcia[PL] said:
Seriously, I don't even think if I read something 'bout it.
PS. : I've checked Your phone & it got amoled screen type ( I didn't check earlier ) , that means that using darker scheme/theme will probably give You bit more than slightly improvement with battery life.
Click to expand...
Click to collapse
Thanks
Sent from my SGH-T959 using XDA Premium App
With LCD screens how ever, I don't think you would get any power savings at all. OLED screens use very tiny amounts of power. I'd like to see if you can get any measurable improvement.
The Radio -=[WLAN,BT,Phone]=-
WMLongLife
WMLongLife is an automatic 2G/3G band-switching solution. It will keep your device in 2G when you do not need to use 3G, and will switch to 3G automatically when you do need it. For most users, having your device in 2G uses much less battery, and thus your phone lasts longer on a single charge. 2G also usually generates less radiation than 3G........
Running on my HTC Diamond 2 WM6.1 without any problems at all
Then there is the Theme Generator to get your pixels the color you want 'm in...
don't forget to download that tool to the right <g>
Hey guys May i know how do i change voodoo colours setting on slim bean + air kernel r171 voodoo colour enabled? I tried downloading voodoo control plus but couldn't find the voodoo colour settings Can anyone help me out? Thanks in advance. :angel:
Try a different kernel first.. could be a dodgy kernel.
Sent from my Crespo using xda premium
There are options for this. See bottom part of voodoo sound. And the kernel is good
I feed my Nexus S with jelly beans.
ciaastek said:
There are options for this. See bottom part of voodoo sound. And the kernel is good
I feed my Nexus S with jelly beans.
Click to expand...
Click to collapse
No.I think he's saying the settings aren't there therefore he might of flashed the kernel wrong or something so voodoo colours aren't showing up. He should try bedalus kernel that supports voodoo too. If it doesn't work on that then he's done something wrong.
Sent from my Crespo using xda premium
Maybe someone can explain some about voodoo colors to me... After flashing Air 171 voodoo, my screen looks awesome. The blacks are super dark and the whites are super bright and the colors pop. It's like night and day compared to other kernels I've run before (presumably without voodoo color). The other day after running the kernel for a few hours, everything turned this nasty grayish greenish color (I mean every dark color looked washed out and nasty). I tried a bunch of things to troubleshoot including wiping and a different ROM, and came to the conclusion that it was the kernel. After I flashed back to Matr1x, the problem went away, but so did the nice looking colors.
So my question is: is voodoo supposed to make the colors darker/more vivid? When I flashed Air 182, it looked just like the phone had always look, kinda bland in comparison. So now I'm back on 171 but I'm scared it's going to goof up the colors again...
ncblackout said:
Maybe someone can explain some about voodoo colors to me... After flashing Air 171 voodoo, my screen looks awesome. The blacks are super dark and the whites are super bright and the colors pop. It's like night and day compared to other kernels I've run before (presumably without voodoo color). The other day after running the kernel for a few hours, everything turned this nasty grayish greenish color (I mean every dark color looked washed out and nasty). I tried a bunch of things to troubleshoot including wiping and a different ROM, and came to the conclusion that it was the kernel. After I flashed back to Matr1x, the problem went away, but so did the nice looking colors.
So my question is: is voodoo supposed to make the colors darker/more vivid? When I flashed Air 182, it looked just like the phone had always look, kinda bland in comparison. So now I'm back on 171 but I'm scared it's going to goof up the colors again...
Click to expand...
Click to collapse
The dark, nice colors come from changing the gamma hacks. The amazing, deep, crisp colors do however come with a price. What price? Well you experienced a little of it, the green flicker. Turn your brightness a little up to avoid it, no big deal. That's not the major problem. Changing the gamma hacks causes your phone to "age" quicker. Meaning it will basically get worn out faster and eventually will lead to damaged colors and OLEDs (permanent). Not for a LONG time, UNLESS you max out the gamma (-50+ is dangerous). I had mine at -59 and -60, now my screen is damaged. Forever. I have piexalted errors and over saturated colors, especially noticeable on black and whites (and now reds). And i have some overheating issues too. Lower gamma = more heat. If I change my gamma settings, nothing happenes because I've broken the screen (then again, I recently had a cheap screen replacement done so part of the reason is the cheap screen just sucking). Lesson is be careful when you mess with the gammas!!!!!!!!! The reason the newer air kernel had different colors was because r_data changed the gamma values (but be did it to get rid of green flicker, I presume) from his last build.Now I am looking for a job to by myself new phone And of course have some money.
Nexus S. (GSM i9020a)
Paranoid (1.97a - 4.1.1)
Air Kernel (Week 182 - Voodoo)
SmartassV2 (1200/200)
Deep Idle (On - Deadline)
Black Exodus (Inverted apps)
So I'm curious why it's called "flicker" then... for me it's consistently green until I flash a new kernel. I kinda figured that was what I was experiencing, I was just confused by the verbiage. Anyway, it's a shame that these screens have the potential to look that good but dong so ruins them...
Sent from my Nexus 7 using xda premium
---------- Post added at 10:09 AM ---------- Previous post was at 09:24 AM ----------
I spoke too soon... it's back to looking good now
Sent from my Nexus S 4G using xda premium
---------- Post added at 10:36 AM ---------- Previous post was at 10:09 AM ----------
Also, his long did you run those gamma settings before it screwed IP your screen? I know you said a long time but can you give an educated guess?
Sent from my Nexus S 4G using xda premium
ncblackout said:
So I'm curious why it's called "flicker" then... for me it's consistently green until I flash a new kernel. I kinda figured that was what I was experiencing, I was just confused by the verbiage. Anyway, it's a shame that these screens have the potential to look that good but dong so ruins them...
Sent from my Nexus 7 using xda premium
---------- Post added at 10:09 AM ---------- Previous post was at 09:24 AM ----------
I spoke too soon... it's back to looking good now
Sent from my Nexus S 4G using xda premium
---------- Post added at 10:36 AM ---------- Previous post was at 10:09 AM ----------
Also, his long did you run those gamma settings before it screwed IP your screen? I know you said a long time but can you give an educated guess?
Sent from my Nexus S 4G using xda premium
Click to expand...
Click to collapse
Using the stock OEM screen I had gone for 8 months of perfectly fine colors. A week of the new screen replacement I had then it was dead. If you used gamme values that are lower on the stock screen it'll last a VERY long time, you'll get a new phone before anything happens for sure.
Nexus S. (GSM i9020a)
Paranoid (1.97a - 4.1.1)
Air Kernel (Week 182 - Voodoo)
SmartassV2 (1000/200)
Deep Idle (On - Deadline)
Black Exodus (Inverted apps)
Well in that case it looks like I'm running it this way if I can get rid of the green...
Sent from my Nexus S 4G using xda premium
ncblackout said:
Well in that case it looks like I'm running it this way if I can get rid of the green...
Sent from my Nexus S 4G using xda premium
Click to expand...
Click to collapse
You can lower the values, just do NOT go passed -50, stay -45 and above.
Nexus S. (GSM i9020a)
Paranoid (1.97a - 4.1.1)
Air Kernel (Week 182 - Voodoo)
SmartassV2 (1000/200)
Deep Idle (On - Deadline)
Black Exodus (Inverted apps)
309041291a said:
The dark, nice colors come from changing the gamma hacks. The amazing, deep, crisp colors do however come with a price. What price? Well you experienced a little of it, the green flicker. Turn your brightness a little up to avoid it, no big deal. That's not the major problem. Changing the gamma hacks causes your phone to "age" quicker. Meaning it will basically get worn out faster and eventually will lead to damaged colors and OLEDs (permanent). Not for a LONG time, UNLESS you max out the gamma (-50+ is dangerous). I had mine at -59 and -60, now my screen is damaged. Forever. I have piexalted errors and over saturated colors, especially noticeable on black and whites (and now reds). And i have some overheating issues too. Lower gamma = more heat. If I change my gamma settings, nothing happenes because I've broken the screen (then again, I recently had a cheap screen replacement done so part of the reason is the cheap screen just sucking). Lesson is be careful when you mess with the gammas!!!!!!!!! The reason the newer air kernel had different colors was because r_data changed the gamma values (but be did it to get rid of green flicker, I presume) from his last build.Now I am looking for a job to by myself new phone And of course have some money.
Nexus S. (GSM i9020a)
Paranoid (1.97a - 4.1.1)
Air Kernel (Week 182 - Voodoo)
SmartassV2 (1200/200)
Deep Idle (On - Deadline)
Black Exodus (Inverted apps)
Click to expand...
Click to collapse
I can't see how changing the gamma make the screen wear out faster. We're not talking about multipliers here, or refresh rate or anything of the sort. We're not going out of spec but simply changing the already available settings. Burn in exists already even on the stock settings, so don't be too quick to blame the problems on Voodoo.
polobunny said:
I can't see how changing the gamma make the screen wear out faster. We're not talking about multipliers here, or refresh rate or anything of the sort. We're not going out of spec but simply changing the already available settings. Burn in exists already even on the stock settings, so don't be too quick to blame the problems on Voodoo.
Click to expand...
Click to collapse
The creator of the Voodoo app warns people not to max out the gamma settings, because they can destroy your screen faster.
Nexus S. (GSM i9020a)
Paranoid (1.97a - 4.1.1)
Air Kernel (Week 182 - Voodoo)
SmartassV2 (1000/200)
Deep Idle (On - Deadline)
Black Exodus (Inverted apps)
I am also sticking with Air Kernel #171 for the perfect color on my 9020T. I don't understand why the voodoo color default keeps changing with each update.
309041291a said:
The creator of the Voodoo app warns people not to max out the gamma settings, because they can destroy your screen faster.
Nexus S. (GSM i9020a)
Paranoid (1.97a - 4.1.1)
Air Kernel (Week 182 - Voodoo)
SmartassV2 (1000/200)
Deep Idle (On - Deadline)
Black Exodus (Inverted apps)
Click to expand...
Click to collapse
You wrote - and + though. Still cannot conceive how exactly it is possible to break something faster while operating it in the normal range. Are you sure he is not talking about the multiplier settings and not the gamma settings?
The gamma settings only affects the level, from darkest to lightest of every separate color (RGB). Think of it as deciding on 100%, how much of each color there is in the picture. You can't do 110%, maxing out every slider will only give you a white picture, but that's only every channel at 100% intensity.
I imagine that could make your screen "die" faster, but just as much as having a white wallpaper as opposed to a black one.
I cannot comment on the multipliers, not being sure of what exactly is touched when changing them.
polobunny said:
You wrote - and + though. Still cannot conceive how exactly it is possible to break something faster while operating it in the normal range. Are you sure he is not talking about the multiplier settings and not the gamma settings?
The gamma settings only affects the level, from darkest to lightest of every separate color (RGB). Think of it as deciding on 100%, how much of each color there is in the picture. You can't do 110%, maxing out every slider will only give you a white picture, but that's only every channel at 100% intensity.
I imagine that could make your screen "die" faster, but just as much as having a white wallpaper as opposed to a black one.
I cannot comment on the multipliers, not being sure of what exactly is touched when changing them.
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This is what I mean by your gamma offsets. I assure you -45 is not normal. 0 on all of them is 2.3.3 defaults. You're forcing your screen to display different, darker colors than normal. Which does use more heat on the screen. More heat = not good and can lead to permanent damage on any surface, let alone a glass screen.
Don't get me wrong, Voodoo can be complelt harmless. So long as you don't max out any of the settings. Never use -60, that's just... no. Slight changes like punchy settings -14 - -18 (I believe) really don't have that much affect. But when you start forcing the screen to get darker by using -45 and under.. Yeah, its not good.
Nexus S. (GSM i9020a)
Paranoid (1.97a - 4.1.1)
Air Kernel (Week 182 - Voodoo)
SmartassV2 (1000/200)
Deep Idle (On - Deadline)
Black Exodus (Inverted apps)
309041291a said:
This is what I mean by your gamma offsets. I assure you -45 is not normal. 0 on all of them is 2.3.3 defaults. You're forcing your screen to display different, darker colors than normal. Which does use more heat on the screen. More heat = not good and can lead to permanent damage on any surface, let alone a glass screen.
Don't get me wrong, Voodoo can be complelt harmless. So long as you don't max out any of the settings. Never use -60, that's just... no. Slight changes like punchy settings -14 - -18 (I believe) really don't have that much affect. But when you start forcing the screen to get darker by using -45 and under.. Yeah, its not good.
Nexus S. (GSM i9020a)
Paranoid (1.97a - 4.1.1)
Air Kernel (Week 182 - Voodoo)
SmartassV2 (1000/200)
Deep Idle (On - Deadline)
Black Exodus (Inverted apps)
Click to expand...
Click to collapse
Except this is not how it works with most displays, and certainly not with an active matrix OLED one. To display black, the RGB channels are at their darkest setting, which uses the less amount of energy. If that, it would even be more beneficial for the panel to use darker settings than stock. Hence my questionning.
Edit: To add details, I do not mean all type of displays, but rather OLED based ones, may it be PMOLED or AMOLED or any other branded product (Super AMOLED and so on). The cells are in off state when showing "black" hence why the blacks are so deep. Off cells = less power, and less power = less heat dissipation.
So now I've realized another related conundrum... If I turn the brightness up, apparently the green goes away, but obviously that causes my battery to die faster. Normally, before I started messing with voodoo color, I kept my screen on auto brightness which generally kept it pretty dim. I got pretty awesome battery, at one point 30+ hours on a charge. So my question is, is there no way to have the nice looking gamma hack colors and also good battery and/or a dimmer screen? Do I just need to play around with the settings to achieve this?
ncblackout said:
So now I've realized another related conundrum... If I turn the brightness up, apparently the green goes away, but obviously that causes my battery to die faster. Normally, before I started messing with voodoo color, I kept my screen on auto brightness which generally kept it pretty dim. I got pretty awesome battery, at one point 30+ hours on a charge. So my question is, is there no way to have the nice looking gamma hack colors and also good battery and/or a dimmer screen? Do I just need to play around with the settings to achieve this?
Click to expand...
Click to collapse
Depends on how low you set those values in Voodoo colors. It's a mix between low values in Voodoo for the gamma offset settings AND the brightness.
Some kernels don't have Voodoo but have preset colors that are very good and vibrant and do not have the downsides of Voodoo such as green flash.
Have any recommendations? I've tried matr1x and air on jb, didn't really do much with kernels before then.
Sent from my Nexus S 4G using xda premium
ncblackout said:
Have any recommendations? I've tried matr1x and air on jb, didn't really do much with kernels before then.
Sent from my Nexus S 4G using xda premium
Click to expand...
Click to collapse
I'm currently using knzo CM+.
It has BLN, BLD, touchwake and colors can be modified in the system settings if you're using a CM10 based ROM. The natural blue colors are very close to perfect colors, slightly need a tad blueish tint on my phone.
Info in my signature
Hello,
I just got a S3 to use it with CM... Comparing with an S4, the S3 has a significantly yellower + greener screen temperature. I remember that CM used to have a "Display" profile for color temperatures in the Advanced part in the Settings. Right now, all I see is CABC, Scenario and Negative Mode. Is there an add-on or an app I can install to control the color temperature for this device?
Thanks
hyunkseo\ said:
Hello,
I just got a S3 to use it with CM... Comparing with an S4, the S3 has a significantly yellower + greener screen temperature. I remember that CM used to have a "Display" profile for color temperatures in the Advanced part in the Settings. Right now, all I see is CABC, Scenario and Negative Mode. Is there an add-on or an app I can install to control the color temperature for this device?
Thanks
Click to expand...
Click to collapse
flash ktkernel and then in the ktkernel toolbox there should be option for temperature under the extras.
I have the brightness turned almost all the way down then I turn it on auto. Is this the correct way to set it? It seems very bright even set so low.
brianfields33 said:
I have the brightness turned almost all the way down then I turn it on auto. Is this the correct way to set it? It seems very bright even set so low.
Click to expand...
Click to collapse
It definitely is too bright, i agree. I'm just putting together a nice setup for the Lux app, and hope that Google will make it a little less aggressive and therefor more battery-friendly
I noticed this as well. I just turned it down and left it (no auto).
Luxferro said:
I noticed this as well. I just turned it down and left it (no auto).
Click to expand...
Click to collapse
I thought about doing this, but then it will be hard to see in bright sunlight.
brittonberkan said:
It definitely is too bright, i agree. I'm just putting together a nice setup for the Lux app, and hope that Google will make it a little less aggressive and therefor more battery-friendly
Click to expand...
Click to collapse
I've never used Lux. Could you share the profile if possible when it's complete?
brianfields33 said:
I've never used Lux. Could you share the profile if possible when it's complete?
Click to expand...
Click to collapse
Sure thing, check back a little later please man, what were the folks at google thinking when they made these settings...
Gesendet von meinem Nexus 5 mit Tapatalk
Agree the screen is way too bright out of the box. Interested in your lux config as well
Sent from my Nexus 5 using Tapatalk
garrisj said:
Agree the screen is way too bright out of the box. Interested in your lux config as well
Sent from my Nexus 5 using Tapatalk
Click to expand...
Click to collapse
I'll have it done in a few hours. The dark values are fine but i need to wait for daylight
Gesendet von meinem Nexus 7 mit Tapatalk 4
brittonberkan said:
Sure thing, check back a little later please man, what were the folks at google thinking when they made these settings...
Gesendet von meinem Nexus 5 mit Tapatalk
Click to expand...
Click to collapse
They were outside in California during the summer in the day and in an overly bright and cheerful Google headquarters during the night. They forget not everywhere has retina burning light levels
I've noticed that iOS, Touchwiz and a few other vendor Android skins implement a sliding-scale auto-brightness: You can enable auto, but also slide the overall average brightness up and down. This is a simple solution for varying comfort levels: Brightness fiends can tune the auto higher and those with sensitive eyes can tune it lower. I am surprised stock Android has yet to implement this.
I found auto brightness to be a bit erratic. I'm sticking with manual brightness.
Sent from my Nexus 5 using xda app-developers app
Here are my lux settings. At very bright areas you might have to add a few steps but it works well for me in darker, dimmer areas
https://docs.google.com/file/d/0B7IQuH022o2GSTAyWGtWTnhmaEU/edit?usp=docslist_api
I'm using dynamic mode
Edit: Sorry it apparently wasn't publicly available, but it is now
Have any of you had your brightness fluctuate from higher to lower? I don't remember the n4 doing that only. I thought android only went from low to high.
I actually want the opposite. I set my brightness all the way high in manual but I hate that automatic dimming. Can I get that fix? All I want is to work like my HTC One where I set the brightness all the way high and never saw the screen dim itself automatically. Please help
jbecerril said:
I actually want the opposite. I set my brightness all the way high in manual but I hate that automatic dimming. Can I get that fix? All I want is to work like my HTC One where I set the brightness all the way high and never saw the screen dim itself automatically. Please help
Click to expand...
Click to collapse
So yours is dimming itself as well correct? Pheww.. I'm not crazy
digitalsmoke said:
So yours is dimming itself as well correct? Pheww.. I'm not crazy
Click to expand...
Click to collapse
Yeah, and i hate that. I am not battery crazy like some other users, all i want is a bright screen regardless what time of the day it is. 100% brightness all the time. Can Auto brightness be turned off? Otherwise, and I hate to say it, but will going back to the One until this gets fixed.
auto brightness is terrible
the screen become yellow and green look while the brightness is low
only 100% can present the true white color
compare with htc one, i think one is better performance
anyone get the yellow tint problem?
brittonberkan said:
It definitely is too bright, i agree. I'm just putting together a nice setup for the Lux app, and hope that Google will make it a little less aggressive and therefor more battery-friendly
Click to expand...
Click to collapse
+1 for Lux. I had the battery-guzzling HTC Amaze ("you'll be AMAZED how fast your phone dies!" ). Lux would almost double my battery life when I programmed it with ultra-conservative (but still usable) settings.
If Google will update the auto brightness calibration everyone will start seeing much better battery life.
Sent from my Nexus 4 using Tapatalk
riprowan said:
+1 for Lux. I had the battery-guzzling HTC Amaze ("you'll be AMAZED how fast your phone dies!" ). Lux would almost double my battery life when I programmed it with ultra-conservative (but still usable) settings.
If Google will update the auto brightness calibration everyone will start seeing much better battery life.
Sent from my Nexus 4 using Tapatalk
Click to expand...
Click to collapse
Which Lux app do i need from the Play Store? There are many of them...
CitizenX said:
Which Lux app do i need from the Play Store? There are many of them...
Click to expand...
Click to collapse
I use this one:
https://play.google.com/store/apps/details?id=com.vito.lux
The trick is in setting up the profiles by hand, the automatic profile settings can be wonky.
Take some light measurements in dimmes light and establish the lowest level you can accept the screen. On an N5 this is probably all the way min. (At first you may find that it's pretty dim but Realize that you'll get used to this and later wonder why you liked the screen so bright.)
Then go into bright light and find the min level that you can accept. This might be all the way bright (on my Amaze, all the way bright was unnecessarily bright EVEN IN SUNLIGHT).
Then take a reading in a normal room and find the min acceptable brightness. This may still be all the way min.
You may want to sample a point or two in other light levels, usually 3-5 samples is enough if you suss out the power curve correctly.
Everyone loves iPhone battery life... ever notice how conservative an iPhone's auto brightness setting is? I'll go out on a limb and guess that, if the N5 is as aggressively bright in auto mode as everyone says (don't have mine yet), there's the possibility of getting an entire extra hour of SOT just by switching instead to very conservative auto-brightness settings.
Also if the min brightness is still pretty darn bright, there's a really good chance an update can knock that brightness down and stretch the battery even further.
Here is a little tutorial I have put together for the upcoming Motorola Moto X Style (Pure Edition). The new Moto X comes with a Q-HD display. Though a higher resolution might be nice it does use more battery as well. With this simple guide you can force the GPU to render the OS and everything in it, in 1080p instead of Q-HD. The display will still be Q-HD but everything on the phone, including the full Android OS, will be displayed in 1080p. This will increase S.O.T and battery life noticeably.
Prerequisites:
1) A rooted device running stock/stock based ROM.
Step 1:
Install the Terminal Emulator app from the Play Store. Download from HERE
Click to expand...
Click to collapse
Step 2:
Open the app and type the following:
Code:
su
Grant terminal Emulator super su access.
Click to expand...
Click to collapse
Step 3:
Next type the following:
Code:
wm size 1080x1920
Click to expand...
Click to collapse
Step 4:
After that, type:
Code:
wm density 420
Click to expand...
Click to collapse
Step 5:
Finally to re-render all the un-changed drawables and pre-loaded system components type:
Code:
stop && start
Your phone will now reboot.
Click to expand...
Click to collapse
That's it! Now you can get some extra juice out of your new Moto X.
To Revert to Stock Settings:
Step 1:
Code:
wm size reset
Click to expand...
Click to collapse
Step 2:
Code:
wm density reset
Click to expand...
Click to collapse
Step 3:
Code:
stop && start
Click to expand...
Click to collapse
Are there even any QHD videos or games available? What would make use of the QHD screen?
Sent from my SAMSUNG-SGH-I337 using Tapatalk
buggerritt said:
Are there even any QHD videos or games available? What would make use of the QHD screen?
Sent from my SAMSUNG-SGH-I337 using Tapatalk
Click to expand...
Click to collapse
My point exactly...If you go the the Google developer stats website you can see on 4.7% of apps on Google Play take advantage of QHD. Also almost 89% of youtube videos are max 1080p. Knowing this I put together this guide. So at least Q-HD won't drain my battery.
Interesting to see if it makes a diference. So, could this be made also to work on a 1080P display and lower it to 720p you know to save even more battery???
Shawn5162 said:
My point exactly...If you go the the Google developer stats website you can see on 4.7% of apps on Google Play take advantage of QHD. Also almost 89% of youtube videos are max 1080p. Knowing this I put together this guide. So at least Q-HD won't drain my battery.
Click to expand...
Click to collapse
Pretty nice.. I'm going to bookmark this.. It's it easy to change back?
Sent from my SPH-L900 using XDA Free mobile app
joshhud said:
Pretty nice.. I'm going to bookmark this.. It's it easy to change back?
Sent from my SPH-L900 using XDA Free mobile app
Click to expand...
Click to collapse
Yes...I will add a guide on how to revert...Acutlly reverting requires less steps that lowering the resolution.
Sent from my SM-G900I using Tapatalk
cerobles1 said:
Interesting to see if it makes a diference. So, could this be made also to work on a 1080P display and lower it to 720p you know to save even more battery???
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You could...What device do u have. I could PM u the steps to lower its res.
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If this phone comes out as scheduled or somewhere near that and I buy one, I'm going to avoid any tweaks or hacks for a while but I appreciate your info. Thanks for posting it.
This might just end up being a big battery saver.
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This could be awesome or a complete fail. I know with other phones I have tried this on some stock apps like camera completely stop working and a lot of the FYI isn't working. However I didn't do this exactly so it may have been the wrong ethod. I'm excited to hear results. ☺
Can't you just paste this into the terminal in one take?
Code:
su
wm size 1080x1920
wm density 420
stop && start
Shawn5162 said:
You could...What device do u have. I could PM u the steps to lower its res.
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Currently I have the Galaxy S5 (SM-G900A) AT&T variant, but I'm running an International ROM. I would definitely like to try it and be a ginnie pig. But more than likely I would do it at the end of this week since I have a 4-day weekend coming up, giving me plenty of time in case things go bananas and have to revert back to stock. But please do let me know what the steps are for my current phone.
Would this really make a huge impact on the battery life?
I'm curious to know, does the screen actually not turn on each pixel with these options? From what I understand, with LCD screens it's either all or nothing.
If I'm correct about the all or nothing this trick would lower the batter consumption by a bit, but not much. The only thing it would do is lower the tax on the CPU.
From my understanding it will have to render less pixels therefore less power consumption as the GPU will not have to work as hard
If LCD's on cell phones work the same as on computer screens, then this will not have any affect but to change how things look on the screen. The same number of pixels will still be activated. Only some will do double duty. If you can, go ahead and lower the resolution on your computer screen and things will look larger but all the pixels are still being used. I cannot imagine this will have much, if any effect on battery life. Maybe I'm wrong??
jaseman said:
If LCD's on cell phones work the same as on computer screens, then this will not have any affect but to change how things look on the screen. The same number of pixels will still be activated. Only some will do double duty. If you can, go ahead and lower the resolution on your computer screen and things will look larger but all the pixels are still being used. I cannot imagine this will have much, if any effect on battery life. Maybe I'm wrong??
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This is exactly what I was expecting. There's no way it would have much effect if any.
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Ganondroid said:
This is exactly what I was expecting. There's no way it would have much effect if any.
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People did this on the LG G3 and their battery life had a massive jump in SOT. Not sure how it works but it is worth trying for sure. Of anything it will make the phone faster because it isn't pushing so many pixels. Only time will tell use the phone normal for a week to let the battery set in and get a good idea. Then drop it and compare. If it is the same you have yoru answer, if it does what the G3 did and almost doubles the SOT then we will have a party.
joshuadjohnson22 said:
People did this on the LG G3 and their battery life had a massive jump in SOT. Not sure how it works but it is worth trying for sure. Of anything it will make the phone faster because it isn't pushing so many pixels. Only time will tell use the phone normal for a week to let the battery set in and get a good idea. Then drop it and compare. If it is the same you have yoru answer, if it does what the G3 did and almost doubles the SOT then we will have a party.
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The G3 never saw massive battery life jumps. All lowering the resolution did was boost the performance. There was a slight increase in battery life due to lower strain on the CPU/GPU, but that was it. The only way this style of mod would help battery life would be on an OLED screen and it would have to actually turn off some pixels instead of duplicating them.
If you want better battery life from the screen resolution you would have to turn your device into a frankenphone by taking a lower resolution screen from something else, which is essentially impossible at this time.
Ganondroid said:
The G3 never saw massive battery life jumps. All lowering the resolution did was boost the performance. There was a slight increase in battery life due to lower strain on the CPU/GPU, but that was it. The only way this style of mod would help battery life would be on an OLED screen and it would have to actually turn off some pixels instead of duplicating them.
If you want better battery life from the screen resolution you would have to turn your device into a frankenphone by taking a lower resolution screen from something else, which is essentially impossible at this time.
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even so, not pushing that many pixels on the CPU/GPU may make a pretty noticeable difference. For those who do not mind a fuzzier screen it could be a good solution. I still think it would be worth testing but we will have to come across that bridge when the phones are here. Who knows, maybe it wont be bad to begin with
Would not like 1080p stretched out over a Qhd screen. Too fuzzy for my liking. Always stick to native resolution on amoled/lcd.