Develop Bugs

Power Saving Mode?

What's that do? It's on the display menu. Turned it off and didn't noticed a diff.
Was playing with a Nexus S at Sprint. Picked it up and it had system updates waiting...cool. Comparing everything side by side... very similiar performance to epic: screen rotation, sig strength, data speed.
Nexus display seemed a little "crisper" and for the first time in a while, I noticed the bluish tint on my display....
Runing latest Bonsai exp!
Sent from my SPH-D700 using XDA Premium App

It dulls the white when it thinks it should. Turn it off, it only waste battery life from polling; Just like auto screen brightness, its BS unless you go in and out of dark/bright areas all the time, it polls about every 1 or 2 seconds, what a waste, just put it on 50%, I've seen the best battery results from this. The voltage used at 50% when scaled to 100% is more then when scaled from lowest brightness to 50%, in short 50% uses the least amount of power compared to lowest and highest setting, just trust me...
Im getting tired of changing this...

ecooce said:
voltage used at 50% when scaled to 100% is more then when scaled from lowest brightness to 50%, in short 50% uses the least amount of power compared to lowest and highest setting, just trust me...
^^ This I find difficult to believe. The greater the brightness the more power is used, so if the lowest brightness setting remains static I doubt it uses more power than 50% setting. If anything, the opposite is true.
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ecooce said:
It dulls the white when it thinks it should. Turn it off, it only waste battery life from polling; Just like auto screen brightness, its BS unless you go in and out of dark/bright areas all the time, it polls about every 1 or 2 seconds, what a waste, just put it on 50%, I've seen the best battery results from this. The voltage used at 50% when scaled to 100% is more then when scaled from lowest brightness to 50%, in short 50% uses the least amount of power compared to lowest and highest setting, just trust me...
Im getting tired of changing this...
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You're talking about the automatic brightness setting.. he means powersave mode.. which I have no idea what it is..
Sent from my SPH-D700 using XDA App

dohturdima said:
ecooce said:
voltage used at 50% when scaled to 100% is more then when scaled from lowest brightness to 50%, in short 50% uses the least amount of power compared to lowest and highest setting, just trust me...
^^ This I find difficult to believe. The greater the brightness the more power is used, so if the lowest brightness setting remains static I doubt it uses more power than 50% setting. If anything, the opposite is true.
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Ok here is what I mean, say at 0% on the slider is .9v , 50% is 1.1v, and 100% is 1.5v, 50% would be the best of both worlds, you can stillsee the screen and you save more compared to 0% - 50%, then 50% - 100%, its not that hard to understand...
And Chris, the power saving mode adjust white level (not brightness) when veiwing a bright page, or scene or pic...
Im getting tired of changing this...
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ecooce said:
dohturdima said:
ecooce said:
voltage used at 50% when scaled to 100% is more then when scaled from lowest brightness to 50%, in short 50% uses the least amount of power compared to lowest and highest setting, just trust me...
Ok here is what I mean, say at 0% on the slider is .9v , 50% is 1.1v, and 100% is 1.5v, 50% would be the best of both worlds, you can stillsee the screen and you save more compared to 0% - 50%, then 50% - 100%, its not that hard to understand...
And Chris, the power saving mode adjust white level (not brightness) when veiwing a bright page, or scene or pic...
Im getting tired of changing this...
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So, simply put, turn off Power saving mode, and set the brigness to ~50 percent, instead of all the way down or up?
[sig]I'm close to root, im patiently waiting on those puzzles[sig]
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Overheating Question

Often while playing a game, my screen will randomly dim and i will check the brightness option where it warns me of overheating.
The battery temp is only 42C, and the phone isnt very warm, ive felt phones get way hotter.
Whats wrong? is it the phone? or normal? Anything I can do?

Is ur phone overclocked? Playing game does makes the phone really hot even without OC ur cpu.
Sent from my Galaxy SII √Epic4G Touch

I'm not speaking for everyone certainly but I have seen 42c while talking on the phone.
It does get a bit warm, but I never get the warning you are speaking of. I am completely stock.
I now haven't gotten to this temperature (close but not as high as 42c) in awhile.

My brightness always dims and gets limited to prevent overheating. My phone has gotten up to 125F while it was charging and I was using it (nothing very intensive though, like playing games or anything like that. Mostly texting, email, XDA) I have even had an overheating warning on the charging animation while ordnance few times too. I'm actually going to bring it in for them to look at. I'm stock kernel and rom(just rooted)
Just in a few minutes my screen has been on it just shot from 89.9F to 98F. And all I did was write this post.
Sent from my Samsung Galaxy S II Epic 4G Touch

125F is way too high, there's got to be something wrong with the phone. Mine sits at idle around 70F, with heavy use, it never reaches 100F. And I'm overclocked to 1.4GHZ.

move_over said:
125F is way too high, there's got to be something wrong with the phone. Mine sits at idle around 70F, with heavy use, it never reaches 100F. And I'm overclocked to 1.4GHZ.
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Agreed. High 70s to mid 80s no matter what I do in a hot and humid hawaii climate. Reached 107 at 1.6ghz while plugged in doing 15 back to back benches to test for stability. Somethinf wrong with your phine sir
***CRITICAL MASS! ITS GUNNA BLOW!*** hahahaha

It happens only when im playing a game, also at Max brightness. Went up to about 44C. Not overclocked, but undervolted.
Is this abnormal? Should I try to get a replacement?
My GS1 got hotter than this and never gave me problems
Sent from my SGSII Epic 4G Touch

my phone also dims
used to get temps around 115F on my evo 3D,never saw any ill effects though
this samsung does get to 102F or so occasionally,and no ill effects so far either

ahl395 said:
It happens only when im playing a game, also at Max brightness. Went up to about 44C. Not overclocked, but undervolted.
Is this abnormal? Should I try to get a replacement?
My GS1 got hotter than this and never gave me problems
Sent from my SGSII Epic 4G Touch
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Why not change voltages back to stock settings first?

move_over said:
Why not change voltages back to stock settings first?
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Well I undervolted, which doesnt make it run hotter, it'll make it cooler if anything.

I've never understood the logic behind that. A processer uses a certain amount of power, measured in Watts. Watts equals current times voltage. If you lower voltage, current has to increase, and more current equals more heat. Am I missing something?

Unable to brighten due to temperature increase. Try again later.

Anyone else get the error message "Unable to brighten due to temperature increase. Try again later." yet? I've noticed it once while browsing on my phone and attempting to increase the phones brightness, at which point it maxed out at around 66% while displaying this error. The phone did not seem HOT in my hands, just warm. Was able to reproduce this issue by running the Antutu benchmarks multiple times and then changing brightness.
Am running the stock Rogers E971 ROM. There is no case currently surrounding the phone (although I can assume a case would just further this issue). A factory wipe did not make a difference.
Anyone else able to reproduce this?

The max level depends on the battery temperature.
When im outside, battery shows 32~36C and im able to set the maximum brightness level.
But for indoor use, cant go above 63%. Current temperature is 40C
I think it doesn't feels hot cause of the back cover glass.
Galaxy S3 feels much hotter.

Tim4 said:
The max level depends on the battery temperature.
When im outside, battery shows 32~36C and im able to set the maximum brightness level.
But for indoor use, cant go above 63%. Current temperature is 40C
I think it doesn't feels hot cause of the back cover glass.
Galaxy S3 feels much hotter.
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you think that would be 'normal' behavior though? its not an issue I had with my Galaxy S2 and it seems like bad engineering / design if a device that is running at its intended clock speeds in a normal environment is heating up. I guess ill try calling up LG when I get some free time to see what they have to say about this.

I think 40C is a normal temp, so i guess the reason of limitation is the battery itself.
LG said Optimus G got next-gen Li-Pol battery or something like that. Probably it doesn't run good on high temperatures.
Nope, thats an issue but im not affected cause my default bright level is 40%

Solved!
From today we have a permanent working solution to the problem ! Tweakers and Optimizers released a free app called LGBrightnessPatcher https://play.google.com/store/apps/d...3NwYXRjaGVyIl0. that surely and permanently solves the issue.
Many thanks and respect to the developers

lg l90?????
ipred said:
From today we have a permanent working solution to the problem ! Tweakers and Optimizers released a free app called LGBrightnessPatcher https://play.google.com/store/apps/d...3NwYXRjaGVyIl0. that surely and permanently solves the issue.
Many thanks and respect to the developers
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lg l90??????

is there something wrong with my Note 4?

Attached below is a picture of my Hardware activity while playing Power Rangers Legacy Wars which admittedly is a graphically intense games but I'm worried that the temperature of the GPU and or CPU is getting too high. I want to make sure my Note 4 isn't getting too hot here is the picture:

I need somebody's help. The coolest my Note 4 seems to get is about 53 degrees C and that's when I turn it on after it's been asleep on my desk. It is not a rogue app or anything like that because I have done both Factory resets and I have install custom roms, so everything has been factory reset multiple times. The water damage sticker indicates no water damage whatsoever. I know phones can get hot when gaming, my Note 4 gets to anywhere between 70 to 85 degrees Celsius and I am just wondering if that's normal I reduced my screen resolution to 720P and disabled two cores of the quad core processor and it does not seem to help one bit. Is this temperature normal or do I need to get rid of the phone?
PS when doing normal browsing it seems to hover around 60 to 67 degrees C
And the battery does not seem to go over 37 degrees Celsius

If you're worried about high temps during games I'd recommend turning the max GPU frequency down. It significantly reduced my temps and I didn't notice a significant difference in gameplay.

Thank you for your response. I have done that and it does not seem to make a difference I'm still getting CPU and GPU temperatures in the high 70s to low 80s

bucs9115 said:
Thank you for your response. I have done that and it does not seem to make a difference I'm still getting CPU and GPU temperatures in the high 70s to low 80s
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Would you mind posting a screenshot as above with the same overlay? How long are you playing before it gets to this point? Have you adjusted throttling temperatures?
Edit: Saw your other post and wanted to add some troubleshooting. When you open up TWRP and do a file transfer or backup how hot does your phone get? Mine would get pretty hot to the touch, but I don't remember it getting above 80 C.....
The temps you showed in the other thread are definitely not "normal" from my experience with day-to-day use. Did you ever look at the task monitor app I linked to?

Sure I can take another screenshot. How do you want it? I did check out that app and the only thing that I saw was that it seems as though my CPU cores were always running pretty high but I didn't see any applications taking up and unusual amount of processing power. The temperature ranges to about 60 as soon as I open a game for the most part and continues to slowly rise from there. Yes that's about the temperature I get everytime I go into TWRP. I don't even have to be doing anything I'm just open TWRP work and that's about the temperature I get

bucs9115 said:
Sure I can take another screenshot. How do you want it? I did check out that app and the only thing that I saw was that it seems as though my CPU cores were always running pretty high but I didn't see any applications taking up and unusual amount of processing power. The temperature ranges to about 60 as soon as I open a game for the most part and continues to slowly rise from there. Yes that's about the temperature I get everytime I go into TWRP. I don't even have to be doing anything I'm just open TWRP work and that's about the temperature I get
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Sorry, I posted that before I noticed your updated screenshot. I was just curious if limiting the GPU made any difference.
Honestly I'm running out of software suggestions. Do you have some sort of case/screen protector that could be affecting it? How hot us your screen (qualitatively)? I just looked at an old video I made and my phone was 52 C in TWRP, which isn't too far off from yours so it might be fine (as I said my phone screen would get too hot to touch at times during intense games). But if you look at kernel adiutor and see that the CPU rarely drops to the lowest frequency/deep sleep there's probably something wrong (unless your screen is constantly on). You could try a different kernel or governor, or check an app like gsm battery monitor to see if GPS or something us hogging CPU time, but I don't really have any more ideas. (Although I did used to cool off my screen with a wet towel when it got really hot)
Just to confirm: you're running a Verizon note 4 right? (Have to ask)
You've updated the modem to the correct version through Odin?
You're on the proper bootloader?

First of all thank you for your help once again. I don't know how to measure how hot my screen gets I don't have any tools that would allow me to do that I do have a case and screen protector on but it doesn't seem to be any worse than it was before I put them on. Yes I am on the correct bootloader and I do have a Verizon Note 4 running the nseven ROM and I am on the correct modem. I'm willing to do anything at this point. This is the second note 4 I've had with this issue and I just want to be able to use it. I want to be able to play my games and stuff you know. So if there's a literally anything I can do . plus I don't really have money for a replacement

bucs9115 said:
First of all thank you for your help once again. I don't know how to measure how hot my screen gets I don't have any tools that would allow me to do that I do have a case and screen protector on but it doesn't seem to be any worse than it was before I put them on. Yes I am on the correct bootloader and I do have a Verizon Note 4 running the nseven ROM and I am on the correct modem. I'm willing to do anything at this point. This is the second note 4 I've had with this issue and I just want to be able to use it. I want to be able to play my games and stuff you know. So if there's a literally anything I can do . plus I don't really have money for a replacement
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I found this: https://forums.androidcentral.com/s...bout-cpu-temperatures-according-cpu-z-s6.html
Which shows some pretty high temperatures during heavy and normal loads for a G4 and some other forum discussing how their note 4 would reboot due to overheating. Since you're not experiencing that issue I'm not sure you need to worry too much. Your processor should be throttling itself if it's getting to hot to make sure it doesn't get damaged. I'd try to make sure that you limit your gpu to around 300 and then just make sure your CPU isn't overclocked and you will probably be fine. My note 4 would get so hot that I couldn't touch the screen, but it still ran like a champ and never rebooted on me. The only thing that is concerning is that your CPU clock specs aren't sticking, but you'll need to read around for how to fix that since I've never had an issue.

Okay well that makes me feel a whole lot better thank you. According to GSMArena the processor speed of the Note 4 is 2.7 gigahertz and mine is currently running at 2.4 so while it is a little upsetting that I can't bring it down any further, at least I know again according to GSMArena that my processor is not overclocked. Thank you for everything

Galaxy S9 Temperature

Hello, I have the S9 for almost a week now and i think its getting hot sometimes with just a normal use (facebook, internet etc. not gaming). Whats the ideal temperature is should have. i think its getting warm on the upper screen and a little on back at camera place. While charging is a little bit warm but i think its normal. Should i send it for a test or getting a bit warm is normal?

promarkop said:
Hello, I have the S9 for almost a week now and i think its getting hot sometimes with just a normal use (facebook, internet etc. not gaming). Whats the ideal temperature is should have. i think its getting warm on the upper screen and a little on back at camera place. While charging is a little bit warm but i think its normal. Should i send it for a test or getting a bit warm is normal?
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Have you looked at the battery or CPU temperature for your phone? I'm wondering this too about my own. I sit at around 85 F (29.4 C) while it is in my pocket. It gets down to 72 F (22.2 C) while on the table. That's about the room's temperature.

Definitely getting warmer during certain use than my S8+ ever did (I remember noticing that it pretty much never got hot) or even my Note 8.
I have an Exynos version though so probably has something to do with how inefficient it is when the cpu ramps up.

Haven't noticed any warming on normal use. When gaming, yes specially pubg. Not too much coc.
SD variant.

Is it about 22,5C CPU temperature when not used, its the same with rooms temperature. after 15 mins of use for example scrolling on FB it reaches 35C both battery and CPU (from AIDA64). Battery also drains fast. Last night 30 mins of scrolling on FB lost 10. Screen brightness is always less than half. and only WiFi and sync are enabled. AOD disabled. Bixby button and bixby home page disabled. While sleeping also battery loses about 8-10%. Yesterday with 15 mins driving with google maps the screen was burning.

promarkop said:
Is it about 22,5C CPU temperature when not used, its the same with rooms temperature. after 15 mins of use for example scrolling on FB it reaches 35C both battery and CPU (from AIDA64). Battery also drains fast. Last night 30 mins of scrolling on FB lost 10. Screen brightness is always less than half. and only WiFi and sync are enabled. AOD disabled. Bixby button and bixby home page disabled. While sleeping also battery loses about 8-10%. Yesterday with 15 mins driving with google maps the screen was burning.
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Nah, that's not normal. That's a normal bahaviour in sd 808/810 but not these 2.

ssgunner20 said:
Haven't noticed any warming on normal use. When gaming, yes specially pubg. Not too much coc.
SD variant.
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Hello brother, I was gonna buy s9. How's the gaming performance specially pubg? What max settings can it run? Thanks.

Anyone knows where can I locate cpu temperature file of s9?

nexnebula said:
Hello brother, I was gonna buy s9. How's the gaming performance specially pubg? What max settings can it run? Thanks.
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Honestly, i would recommend it. Even the plus. For me tho carrying more than one phone for work and stuff it got old having the s8+. But for the s9, man the stereo speakers sound great. Much better than last yr but of course they werent stereo so diff is noticeable. As for pubg, i really have messed with resolution and looks great i think im on fhd. While playing tho the s9 does warm up, havent checked exact temp but its noticeable. Cant say if it does the same on the s9+. Hope someone can confirm.
I look at it this way, like having a macbook air for gaming vs a macbook pro, the air will make more noise and warm up vs the pro.