Phone getting REALLY hot after installing kernel? - Moto G4 Plus Questions & Answers

I have the G4 Plus, dual sim and 16GB. I rooted, used elemental kernel and ever since then, my phone is getting REALLY hot when charging. mine phone was ALWAYS cool when charging but since installing the kernel, it's REALLY hot.
Obviously I want a rooted device, can I flash stock and root some other way and keep wifi working????

Hmm. Use a different governor like interactive, and lessen the activities you use that are demanding. The 617 chipset is similar to the 615, so yeah.

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My phone wont stop underclocking itself

I recently tried openoverclock and overclock widget...
I underclocked for wireless tethering but I can't get either of the programs to keep consistent settings and i keep finding my phone running at 244.94 mhz and being extremely slow.
whats the deal??? did i f my processor up heating my phone up with tethering?
Are you running a rom that supports OC? I know that Fresh 2.1.x does not support it and Flipz says that if you put the overclock on it may end up forcing the phone to stay underclocked all the time.
****... imrunning DC v2.08.1
Yea, I don't think that one supports it, so that's probably the reason.

What actually causes overclock unstability ?

Hi,
My LG P500 (Rocking 512MB!) has a custom recovery since february, now. Since then I've been switching ROMs a lot, the first being CM11 which I switched really quickly to CM7, rock stable and fast, still one of the best ROMs I've tested. Also tried CM12 (KitKat), AOKP, VoidForever and Oxygen.
Using Oxygen at the moment, being the lightest and fatest, really stable.
Naturally I've been playing around with CPU frequencies since february too which was really useful in the long run. Underclocking and underclocking, while I did not kept the LG overclocked 100% of the time.
I did more benchmarks and stuff on Oxygen, testing out more overclock frequencies stability - people complaining of fried CPUs are rare to my knowledge (Well, didn't read much), and anyway, I can now find the LG P500 for 30-50$ used. My LG starts rebooting from 787 MHz, so I generally can use 729-768 MHz for a few time. I always depend on which factors, how much times does it actually takes before the device reboot due to unstability/unstable overclock, which I would like to know why, the hardware logic behind the reboot.
729 MHz has been really stable since a long time - I don't know if it's just me, but I feel like the CPU might be weakening after all this time, if it's possible at all? Not sure. But it does happend that it randomly reboot on 729 MHz still, pretty rare. Doesn't matter thought, if the CPU happens to die, I'll just buy another cheap one I guess.
But what is the actual cause of these reboots, overclocking sure push the CPU more than it should, so in theory it shorten battery life, and CPU lifespan too, also produce more heat. Which makes senses that when the phone get too hot, it reboot due to a thermal protection, same thing goes for computers.
Still sometimes, battery isn't that hot anyway, 32 degrees? 30? I've never exceeded 40 (Which is really rare, while charging - at this point I stop using the phone for a while) Apparently, LG P500 does not support showing the CPU temperature, tried, no succeed.
So is the CPU going too hot in that case? I'm aware I couldn't do anything to, hm, make overclock more stable, impossible besides lowering the frequency, but I'm just curious, would just like to know the logic, why does the phone choose to reboot? Just simply crashing? Hm, may I ask, what causes this crash? Entirely hardware related, right? I've tested overclocking with different kernels, while Android 4.0 had a worse tolerance to higher overclock, doesn't matter which kernel, my device can never get above 768 MHz without an instant crash. Why is the crash instant ?
Would like to know the logic behind overclocking affecting stability, please. Is that explainable? Exclusively hardware crashing? Or hm, does the software report any kind of alert at some moment, I don't know?
(On a side-note, never managed to overclock my PC CPU, Intel Core i3-2350M Sandy Bridge, apparently locked. Not ready to do this (Not the same price value obviously!), just wanted to see if that was possible on my laptop and so, how. Never figured that out, well, doesn't matter)
Thanks

Rooted phone... keeps overheating?

I just got my s7e yesterday. Found the guide on here how to root it. I did and it started having overheating issues so I downloaded kernel adiutor and put it on "on demand" as I saw posted somewhere else. This seems to work BETTER but my phone still keeps overheating frequently.
rkrajnov said:
I just got my s7e yesterday. Found the guide on here how to root it. I did and it started having overheating issues so I downloaded kernel adiutor and put it on "on demand" as I saw posted somewhere else. This seems to work BETTER but my phone still keeps overheating frequently.
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My AT&T one was, too. I went back to stock. Faster and cooler (temp). Just gonna wait for a fix.
Yeah it doesn't matter what you set it too, it will overheat more then the stock.
my phone doesn't overheat at all. stock kernel uses interactive governor not ondemand. and you need to use an app that supports big.little CPU cores like kernel toolkit or ex kernel manager. set your big CPU cores to 2.1GHz and your little cores to 1.6k GHz. if you don't know about all this you guys probably shouldn't be rooting in the first place.
I was overheating also on pb6 firmware. Flashed pb8 and re-rooted, used kernel toolkit to set interactive and cpu cores to there min 300 something and 1500 for small and 2100 for large. Then flashed tekx. All is good now. Battery life is nowhere close to stock still.
xVermicide said:
my phone doesn't overheat at all. stock kernel uses interactive governor not ondemand. and you need to use an app that supports big.little CPU cores like kernel toolkit or ex kernel manager. set your big CPU cores to 2.1GHz and your little cores to 1.6k GHz. if you don't know about all this you guys probably shouldn't be rooting in the first place.
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MegaNoob said:
I was overheating also on pb6 firmware. Flashed pb8 and re-rooted, used kernel toolkit to set interactive and cpu cores to there min 300 something and 1500 for small and 2100 for large. Then flashed tekx. All is good now. Battery life is nowhere close to stock still.
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This is with using EX Kernel and big.little set to interactive. There is a problem with WiFi and some gaming that will heat this phone up hotter than hell itself.
CaptainMorgan said:
This is with using EX Kernel and big.little set to interactive. There is a problem with WiFi and some gaming that will heat this phone up hotter than hell itself.
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And what firmware are you on? Did you also try flashing tekx? My phone doesn't heat up at all and WiFi is fine. Using pd8 and tekx. I had overheating but it's gone after a full wipe and flashing pd8 prior too rooting. It sounds like you just need to try again. I had problems also, it took a few tries.
If you use your phone for gaming you will see how much the phone heats up. If your using it from normal non heavy things it will be fine.
Well after switching to ex kernel, using TekX ROM, greenify, and L Speed, my phone is running almost perfect with great battery life.
rkrajnov said:
Well after switching to ex kernel, using TekX ROM, greenify, and L Speed, my phone is running almost perfect with great battery life.
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Hello,
What do you mean by ex kernel?
umaro said:
Hello,
What do you mean by ex kernel?
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He means the app, EX kernel manager.
umaro said:
Hello,
What do you mean by ex kernel?
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Click to collapse
Ex Kernel is an app that you can get from the play store.
https://play.google.com/store/apps/details?id=flar2.exkernelmanager&hl=en
xVermicide said:
my phone doesn't overheat at all. stock kernel uses interactive governor not ondemand. and you need to use an app that supports big.little CPU cores like kernel toolkit or ex kernel manager. set your big CPU cores to 2.1GHz and your little cores to 1.6k GHz. if you don't know about all this you guys probably shouldn't be rooting in the first place.
Click to expand...
Click to collapse
That's a ****ty response........remember when you were a noob? There was a lot you didn't know....don't bash people on the forum for trying or questioning what to do. You're a senior member. You probably should act like it and give the proper advice rather than saying one "shouldn't be rooting in the first place" I need to wear a condom just reading your post because of you being a **** on the thread.
...and there is slight heating, and major overheating when playing heavy games like dead effect 2 when you root. Even after the scripts and kernel tweaks. It's the engboot. Likes to be warm I guess
It's the trade off for now if we want root..
Sent from my SM-G935T using Tapatalk

Bought a refurbished Note 4 and it's horribly overclocked, please help

First of all, proof: http://imgur.com/a/vfRc8
As you can see whichever genius refurbished it has done a number on the phone, both CPU and GPU are overclocked. The phone overheats to 90+ celcius when attempting to play games and shuts down. The problem is that with the phone wasn't rooted when I bought it and it was still overclocked for some reason, I don't understand how. I installed custom ROM and kernel (Nameless and H Vitamin) and the problem still exists.
Can you please help me out here? I'm kind of a noob on customizing kernels to change clocking speed and I don't think the phone will last long with these settings. PLEASE help.
It looks like H-vitamin kernel is not installed properly, it still runs on the previous, OCed one. Try flashing RamKernel or Emotion.
Can you please PM me the current kernel boot.img? You can get it by dd command or from recovery by backing up "boot" in TWRP.
The kernel is same one I'm using but your could be a newer version, would be very useful to me.
I wouldn't worry about heat, I'm running 3.07 GHz & 800MHz GPU /w disabled throttling, for using GearVR with PC. It gets so hot it hurts to touch, still no damage after 500+ hours on steamvr but the battery lost some capacity.
Kast09 said:
First of all, proof: http://imgur.com/a/vfRc8
As you can see whichever genius refurbished it has done a number on the phone, both CPU and GPU are overclocked. The phone overheats to 90+ celcius when attempting to play games and shuts down. The problem is that with the phone wasn't rooted when I bought it and it was still overclocked for some reason, I don't understand how. I installed custom ROM and kernel (Nameless and H Vitamin) and the problem still exists.
Can you please help me out here? I'm kind of a noob on customizing kernels to change clocking speed and I don't think the phone will last long with these settings. PLEASE help.
Click to expand...
Click to collapse
Download this app link below.
Open it and give it root access.
From this you can change whatever you want.
https://play.google.com/store/apps/details?id=com.bigeyes0x0.trickstermod
The default clock speen of cpu is (300 minimum)and (2649 maximum.)
Gpu clock speen should be minimum 200 and maximum 600
Thank you both very much, I installed RamKernel RC3 and I'll use trickstermod to further downclock the cpu because where I live is preeeetty hot and I worry about the phone. Olex you were right, for some reason H Vitamin wasn't installing properly, I'm uploading the boot backup as I write this and will PM it to you.
Btw even with the new kernel inside air conditioned room the idle temp is 40-45 Celcius. Is this normal?

Lg V20 Aggressive Thermal / CPU Throttling?

Phone: VS995 Rooted running WETA rom + Werewolf Kernel.
Issue: Phone heavy CPU throttling when charging, gaming or even just booting. The CPU throttles to 652mhz on the small cluster and 1036mhz on the big cluster whenever I do something cpu intensive for a couple minutes. Obviously this causes a lot of stuttering and lag. I have to let it sit untouched and it will go back to normal.
I've monitored the temps and CPU doesn't go above 50c when playing games and my battery temp is below 25c. Even if the cpu temps go back down to 35c, it takes a while for the frequencies to ramp back up to max.
I'm using EX kernal manager and have disabled core_control and msm_thermal but doesn't help.
I've tried the stock WETA kernel and Werewolf kernel but they both don't seem to affect the heavy throttling at all.
Wondering if there is a kernel or a fix for this, kinda like the lg g3 thermal mitigation setting, or the CTTMOD found on other devices? Or maybe my device needs to replace thermal paste?
Thanks!
Holyman007 said:
Phone: VS995 Rooted running WETA rom + Werewolf Kernel.
Issue: Phone heavy CPU throttling when charging, gaming or even just booting. The CPU throttles to 652mhz on the small cluster and 1036mhz on the big cluster whenever I do something cpu intensive for a couple minutes. Obviously this causes a lot of stuttering and lag. I have to let it sit untouched and it will go back to normal.
I've monitored the temps and CPU doesn't go above 50c when playing games and my battery temp is below 25c. Even if the cpu temps go back down to 35c, it takes a while for the frequencies to ramp back up to max.
I'm using EX kernal manager and have disabled core_control and msm_thermal but doesn't help.
I've tried the stock WETA kernel and Werewolf kernel but they both don't seem to affect the heavy throttling at all.
Wondering if there is a kernel or a fix for this, kinda like the lg g3 thermal mitigation setting, or the CTTMOD found on other devices? Or maybe my device needs to replace thermal paste?
Thanks!
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Click to collapse
I've noticed this as well on WETA but only when charging. For some reason on WETA on stock kernel this phone slows down dramatically when plugged in. I just thought it was LGs method of thermal control but on MEGAROM V4 it doesn't slow down at all for me when plugged in so idk but would like to know how to fix cause I have it plugged in during driving a lot and switching back and forth between music and navigation becomes frustrating because of how laggy it gets
KUSOsan said:
I've noticed this as well on WETA but only when charging. For some reason on WETA on stock kernel this phone slows down dramatically when plugged in. I just thought it was LGs method of thermal control but on MEGAROM V4 it doesn't slow down at all for me when plugged in so idk but would like to know how to fix cause I have it plugged in during driving a lot and switching back and forth between music and navigation becomes frustrating because of how laggy it gets
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Yes! That's exactly what I'm experiencing too.
Having it plugged in throttles the cpu immediately. Doesn't matter if it's a quick charger or a slow charger. The battery and CPU temps are both low so that's not an issue. Even when it reaches 100% battery and just trickle charging, it still throttles randomly.
I'll start a different rom and see if it helps.
Holyman007 said:
Yes! That's exactly what I'm experiencing too.
Having it plugged in throttles the cpu immediately. Doesn't matter if it's a quick charger or a slow charger. The battery and CPU temps are both low so that's not an issue. Even when it reaches 100% battery and just trickle charging, it still throttles randomly.
I'll start a different rom and see if it helps.
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Yeah I recommend MEGAROM V4 although I'm on the T-Mobile H918 variant and not sure if there are any discrepancies to be accounted for but give it a shot and see
Having the same issue
My phone always stay Cool even when charging but cpu frequencies keep changing.
Even when i set the cpu max to 2105mhz it automatically slow down to 1036mhz , which makes the device super laggy and shuttering.
I've tried stock rom,weta,and some other roms and also tried some kernels nothing seems to be fixing the issue but Resurrection remix rom fixed it, no frequencies changing no lag no shuttering but i also has a problem that second screen doesn't work at all :/
yep same issues stock here.. just made a topic and realized you made this lol. stock rooted fwiw. I can't stand it. this phone has become such a lag fest that the galaxy s6 I was given for work seems faster, and that's two years old.
Sent from my LG-US996 using Tapatalk
maxi65 said:
My phone always stay Cool even when charging but cpu frequencies keep changing.
Even when i set the cpu max to 2105mhz it automatically slow down to 1036mhz , which makes the device super laggy and shuttering.
I've tried stock rom,weta,and some other roms and also tried some kernels nothing seems to be fixing the issue but Resurrection remix rom fixed it, no frequencies changing no lag no shuttering but i also has a problem that second screen doesn't work at all :/
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jayochs said:
yep same issues stock here.. just made a topic and realized you made this lol. stock rooted fwiw. I can't stand it. this phone has become such a lag fest that the galaxy s6 I was given for work seems faster, and that's two years old.
Sent from my LG-US996 using Tapatalk
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I think I found a fix!
Here's a link to my thread: https://forum.xda-developers.com/v20/themes/mod-fix-cpu-throttling-charging-gaming-t3650705

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