Increasing battery life - Nexus 5 Q&A, Help & Troubleshooting

Hi guys!
I was looking for ways to increase battery life.
As far as I know you can undervolt and decrese CPU speed
Undervolt does not affect performance but does increase temperature right?
Decrease CPU speed obviously decreases the speed of the phone.
Both these things can be achieved by using a custom kernel right? I heard of franco kernel as being the best for these things...
Any other ways of increasing battery life?
Cheers!

nad4321 said:
Hi guys!
I was looking for ways to increase battery life.
As far as I know you can undervolt and decrese CPU speed
Undervolt does not affect performance but does increase temperature right?
Decrease CPU speed obviously decreases the speed of the phone.
Both these things can be achieved by using a custom kernel right? I heard of franco kernel as being the best for these things...
Any other ways of increasing battery life?
Cheers!
Click to expand...
Click to collapse
Why not try Franco first before starting to tweak. The kernel's default settings are reputedly optimal for that elusive balance between performance and battery life.
Sent from my Nexus 5

PhilipTD said:
Why not try Franco first before starting to tweak. The kernel's default settings are reputedly optimal for that elusive balance between performance and battery life.
Sent from my Nexus 5
Click to expand...
Click to collapse
yeah well im using stock now so it was just a matter wether changing to franco would make a difference

nad4321 said:
yeah well im using stock now so it was just a matter wether changing to franco would make a difference
Click to expand...
Click to collapse
Yeah, give it a try. Since I installed it, the phone (and my N7, too) has become snappier, and battery life on standby is awesome (like 1-2%/hr). SOT, on the other hand, is still lamentable, even at dim levels. If you do go Franco, I recommend getting the FK updater app on the Play Store.
Sent from my Nexus 5

PhilipTD said:
Yeah, give it a try. Since I installed it, the phone (and my N7, too) has become snappier, and battery life on standby is awesome (like 1-2%/hr). SOT, on the other hand, is still lamentable, even at dim levels. If you do go Franco, I recommend getting the FK updater app on the Play Store.
Sent from my Nexus 5
Click to expand...
Click to collapse
Cheers! Do you know any good tutorial to unlock bootloader, root and instal custom recovery + kernel? Long process hahaha

nad4321 said:
Cheers! Do you know any good tutorial to unlock bootloader, root and instal custom recovery + kernel? Long process hahaha
Click to expand...
Click to collapse
There's a tutorial on this in the forum. I'd link it to you but I am on my tablet at the moment.
Sent from my Nexus 7 using Tapatalk 4

nad4321 said:
Cheers! Do you know any good tutorial to unlock bootloader, root and instal custom recovery + kernel? Long process hahaha
Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?t=2507905
http://forum.xda-developers.com/showthread.php?t=2508284
Sent from my Nexus 5

PhilipTD said:
http://forum.xda-developers.com/showthread.php?t=2507905
http://forum.xda-developers.com/showthread.php?t=2508284
Sent from my Nexus 5
Click to expand...
Click to collapse
Thanks again From your own experience what would you recommend TWRP or CWM

nad4321 said:
Thanks again From your own experience what would you recommend TWRP or CWM
Click to expand...
Click to collapse
TWRP, without a doubt. It's completely stable, and easy to use. CWM used to be really wonky; that's why I switched.
Sent from my Nexus 5

PhilipTD said:
TWRP, without a doubt. It's completely stable, and easy to use. CWM used to be really wonky; that's why I switched.
Sent from my Nexus 5
Click to expand...
Click to collapse
I guess all of these CPU speeds and undervolt can be changed at any time withouth erasing anythign right?

nad4321 said:
Thanks again From your own experience what would you recommend TWRP or CWM
Click to expand...
Click to collapse
Philz touch. Its cwm based, more features than twrp and cwm put together and more stable than both too.
-----------------------
Sent via tapatalk.
I do NOT reply to support queries over PM. Please keep support queries to the Q&A section, so that others may benefit

nad4321 said:
I guess all of these CPU speeds and undervolt can be changed at any time withouth erasing anythign right?
Click to expand...
Click to collapse
You can set up virtually any configuration with Franco. But, again, I suggest you try his default settings first. He put a lot into figuring it out, and his findings likely are the most reliable. I've never felt the need to customize the kernel any differently.
Some people, however, really like to mess around with the settings as a kind of hobby. I used to do so, and it's a lot of fun (and headaches). So, if you want to get into it, go for it. There are numerous apps you can use to tweak all those settings.
Sent from my Nexus 5
---------- Post added at 07:03 AM ---------- Previous post was at 07:01 AM ----------
rootSU said:
Philz touch. Its cwm based, more features than twrp and cwm put together and more stable than both too...
Click to expand...
Click to collapse
I know, I've been meaning to check out out. Thanks
Sent from my Nexus 5

PhilipTD said:
You can set up virtually any configuration with Franco. But, again, I suggest you try his default settings first. He put a lot into figuring it out, and his findings likely are the most reliable. I've never felt the need to customize the kernel any differently.
Some people, however, really like to mess around with the settings as a kind of hobby. I used to do so, and it's a lot of fun (and headaches). So, if you want to get into it, go for it. There are numerous apps you can use to tweak all those settings.
Sent from my Nexus 5
---------- Post added at 07:03 AM ---------- Previous post was at 07:01 AM ----------
I know, I've been meaning to check out out. Thanks
Sent from my Nexus 5
Click to expand...
Click to collapse
I noticed that by default it has 2 cores working and then uses the other 2 when required... This might sound stupid but did stock already do this?

Try greenify and xposed framework.
https://play.google.com/store/apps/details?id=com.oasisfeng.greenify‎

Im running the catalysm rom + franco kernel undervolted (which by the way decreases the temperature) and under clocked to 1728mhz. I also am using greenify + xposed. Finally I turn off location reporting, touch sounds, always scanning wifi and set location to "battery saving" mode. Without any gaming I get around 5hr of screen on time. Straight gaming gives me around 2.5hr of SOT. Usually I get around 4hr from my regular day. Any other tips for battery?

Related

[ROOTMOD] Kernel Adjustments v1 [STICKYME]

I've taken the liberty to root my GS4 and have some time spent on tweaking kernel parameters.
For these settings you need to be rooted and have downloaded a kernel tweaking app, such as Trickster Mod.
I believe these settings should make some pretty significant changes to your experience.
Follow the screenshots for the configurations:
Any heat issues?
akira02rex said:
I've taken the liberty to root my GS4 and have some time spent on tweaking kernel parameters.
For these settings you need to be rooted and have downloaded a kernel tweaking app, such as Trickster Mod.
I believe these settings should make some pretty significant changes to your experience.
Follow the screenshots for the configurations:
Click to expand...
Click to collapse
Since the changes have you noticed any significant heat or rapid battery drain?
john.082896 said:
Since the changes have you noticed any significant heat or rapid battery drain?
Click to expand...
Click to collapse
Still testing. I am charging the device now and I'll report later but i'm guessing hardly anything noticeable.
Thanks for the post!
I am however curious about the use of ZRAM as this phone should easily have enough built in RAM to where that is not needed..
ZRAM generally gets used when a system is RAM deficient.. ZRAM will also be noticeably slower than using the built in RAM as well...
Looking forward to you reporting back..
raqball said:
Thanks for the post!
I am however curious about the use of ZRAM as this phone should easily have enough built in RAM to where that is not needed..
ZRAM generally gets used when a system is RAM deficient.. ZRAM will also be noticeably slower than using the built in RAM as well...
Looking forward to you reporting back..
Click to expand...
Click to collapse
I think you may be confused about ZRAM.
ZRAM is used for swapspace instead of placing the swap on the "disk" it is placed in RAM for a performance boost.
akira02rex said:
I think you may be confused about ZRAM.
ZRAM is used for swapspace instead of placing the swap on the "disk" it is placed in RAM for a performance boost.
Click to expand...
Click to collapse
I don't think I am confused... Why use swap space for RAM when this phone already has plenty?
Then again, I may be confused..
http://en.wikipedia.org/wiki/ZRam
Going to give this a shot for a little while.
Baldilocks said:
How do you get to the Interactive Control screen?
Click to expand...
Click to collapse
I believe you have to set the CPU governor to interactive, apply by pressing the check at the top right, then going into governor control at the bottom.
tysj said:
I believe you have to set the CPU governor to interactive, apply by pressing the check at the top right, then going into governor control at the bottom.
Click to expand...
Click to collapse
Yeah, I found that right after I posted. Thanks!
---------- Post added at 01:49 AM ---------- Previous post was at 01:24 AM ----------
This mod has reduced stutter and sputter by like 90% on my device. Will keep pushing it.
Thanks. Really seems to help alot on mine. I did leave the min cpu at default speed though.:thumbup:
Only downside is that after reboot you have to change the settings again.
Sent from my Galaxy S4 using Tapatalk 2.
You can set at boot in the settings from the menu.
Baldilocks said:
Only downside is that after reboot you have to change the settings again.
Sent from my Galaxy S4 using Tapatalk 2.
Click to expand...
Click to collapse
bri315317 said:
You can set at boot in the settings from the menu.
Click to expand...
Click to collapse
Indeed. Just hit the menu capacitive button to get to the menu pictured below:
Your menu looks so different in terms of the interactive controls... I have none of those values or menus but an even longer list.
Why does your say you have power savings enabled? Why not turn power savings completely off? I still run my galaxy for like 2 days with Music playing like an 8 hour day.
Been running this since last night..
I am not really noticing any difference but will keep testing..
Disclaimer:
I already had 101 apps / processes frozen, animations set to zero, force GPU enabled and am using a different launcher. I think most, if not all, of my lag was done away with by doing that..
raqball said:
Been running this since last night..
I am not really noticing any difference but will keep testing..
Disclaimer:
I already had 101 apps / processes frozen, animations set to zero, force GPU enabled and am using a different launcher. I think most, if not all, of my lag was done away with by doing that..
Click to expand...
Click to collapse
Yea my phone was fast to begin with but with this my battery life has been amazing
Sent from my SAMSUNG-SGH-I337 using xda premium
Hers mine. Geared more towards battery. Never had lag issues even from day one prior to rooting.
ATT S4 Rooted. Beastin.
4.2.2
slider2828 said:
Your menu looks so different in terms of the interactive controls... I have none of those values or menus but an even longer list.
Why does your say you have power savings enabled? Why not turn power savings completely off? I still run my galaxy for like 2 days with Music playing like an 8 hour day.
Click to expand...
Click to collapse
On the general settings, after you've selected interactive you have to hit the check mark on upper right. Then click governor control at the bottom, you should see the interactive settings.
Cant wait to find out what settings gives best battery life and performance.
Yeah. Gotta keep hitting that check mark or nothing takes.
Sent from my Galaxy S4 using Tapatalk 2
Seems to not go into deep sleep on interactive. Is this happening to uou?

Franco Kernel vs Stock?

I am debating on whether to buy the pro version and flash Franco's Kernel for my Nexus 5 and 7 (2013). I just want to know what I bits of extra I can really do with it.. And if its worth it. I'm more worried about stability than anything I guess. I don't want to run into little issues whether it be audio, video, whatever it may be. Also I have never flashed a kernel or another ROM, I've always stuck with stock. I am running 4.4.2 right now utilizing Gravity Box and Wanam Kit, and a few other modules. Any input would be greatly appreciated. If this thread has been done before, my apologies. I am a brand new forum user, never really get on the computer.
Sent from my Nexus 5 using Tapatalk
wardawgmalvicious said:
I am debating on whether to buy the pro version and flash Franco's Kernel for my Nexus 5 and 7 (2013). I just want to know what I bits of extra I can really do with it.. And if its worth it. I'm more worried about stability than anything I guess. I don't want to run into little issues whether it be audio, video, whatever it may be. Also I have never flashed a kernel or another ROM, I've always stuck with stock. I am running 4.4.2 right now utilizing Gravity Box and Wanam Kit, and a few other modules. Any input would be greatly appreciated. If this thread has been done before, my apologies. I am a brand new forum user, never really get on the computer.
Sent from my Nexus 5 using Tapatalk
Click to expand...
Click to collapse
Well to be honest the stock kernel allready is very good, the only downsides of it are batterylife/screenontime and colors are not very vibrant. These 2 aspects are substantialy better with Franco kernel. Screenontime and batterylife is improved by at least 50% or more for some (check out the Franco thread). Also you can raise the speaker/mic/in-call volume as you wish and load a color profile for better and more vibrant colors.
if you want stability stick with stock
gee2012 said:
Well to be honest the stock kernel allready is very good, the only downsides of it are batterylife/screenontime and colors are not very vibrant. These 2 issues are substantialy better with Franco kernel. Screenontime and batterylife is improved by at least 50% or more for some (check out the Franco thread). Also you can raise the speaker/mic/in-call volume as you wish and load a color profile for better and more vibrant colors.
Click to expand...
Click to collapse
I have been getting fantastic battery life with my setup now, I just leave brightness at auto, and from my bit of research, that seems to be the big culprit of battery life. I'm always looking to improve my phone in terms of performance and cosmetic, keeps me busy at negative 60 out here in North Dakota lol.
But 50% overall more battery life?! That's pretty friggin good. Would definitely pay for it for that kind of power.
I'm also assuming based on your post that the color control is not for LED control but the screen itself. Any idea if the Xposed LED module works well? I know its off topic just a quick question.
Not sure about the volumes, I usually don't mess with call volumes, but I'll look into it more.
Thanks for your post! Also please post the link to the Franco Thread.
Sent from my Nexus 5 using Tapatalk
wardawgmalvicious said:
I have been getting fantastic battery life with my setup now, I just leave brightness at auto, and from my bit of research, that seems to be the big culprit of battery life. I'm always looking to improve my phone in terms of performance and cosmetic, keeps me busy at negative 60 out here in North Dakota lol.
But 50% overall more battery life?! That's pretty friggin good. Would definitely pay for it for that kind of power.
I'm also assuming based on your post that the color control is not for LED control but the screen itself. Any idea if the Xposed LED module works well? I know its off topic just a quick question.
Not sure about the volumes, I usually don't mess with call volumes, but I'll look into it more.
Thanks for your post! Also please post the link to the Franco Thread.
Sent from my Nexus 5 using Tapatalk
Click to expand...
Click to collapse
If you are having trouble making a decision... just flash the kernel with fastboot and give it a test run. Can the free version of FKU auto flash? I'm not sure, you would have to investigate.
If you decide you like it (and the updates that go along with it), then maybe consider buying the app.
But yes, screen on time is better with FK due to the way the clock speeds scale. A lot better. Even with the stock settings, though I find even those to be a bit aggressive.
wardawgmalvicious said:
I have been getting fantastic battery life with my setup now, I just leave brightness at auto, and from my bit of research, that seems to be the big culprit of battery life. I'm always looking to improve my phone in terms of performance and cosmetic, keeps me busy at negative 60 out here in North Dakota lol.
But 50% overall more battery life?! That's pretty friggin good. Would definitely pay for it for that kind of power.
I'm also assuming based on your post that the color control is not for LED control but the screen itself. Any idea if the Xposed LED module works well? I know its off topic just a quick question.
Not sure about the volumes, I usually don't mess with call volumes, but I'll look into it more.
Thanks for your post! Also please post the link to the Franco Thread.
Sent from my Nexus 5 using Tapatalk
Click to expand...
Click to collapse
Most users report a screenontime of about 5-7 hours while stock is about 3,5 hours. Don`t know about the Xposed module but color controll in the Franco kernel updater app is realy good and there are various preloaded settings available. Link thread http://forum.xda-developers.com/showthread.php?t=2508284. Backup your current kernel in the FKU before you flash a Franco kernel, so you can restore it if need be.
Aerowinder said:
If you are having trouble making a decision... just flash the kernel with fastboot and give it a test run. Can the free version of FKU auto flash? I'm not sure, you would have to investigate.
If you decide you like it (and the updates that go along with it), then maybe consider buying the app.
But yes, screen on time is better with FK due to the way the clock speeds scale. A lot better. Even with the stock settings, though I find even those to be a bit aggressive.
Click to expand...
Click to collapse
I believe you can, I'll look into when I get home.
So do you underclock or undervolt? I don't know the differences between the two, my apologies. If I do get Franco I think I will just leave it at the stock settings it comes with before I make any changes, still got learning to do. Thank you for sharing your knowledge!
Sent from my Nexus 5 using Tapatalk
gee2012 said:
Most users report a screenontime of about 5-7 hours while stock is about 3,5 hours. Don`t know about the Xposed module but color controll in the Franco kernel updater app is realy good and there are various preloaded settings available. Link thread http://forum.xda-developers.com/showthread.php?t=2508284. Backup your current kernel in the FKU before you flash a Franco kernel, so you can restore it if need be.
Click to expand...
Click to collapse
That's pretty awesome, definitely gonna try it out. I have a backup somewhere on my device, I think in Flashify, but I'll make another, can never hurt lol.
And thanks for the thread and all the other info!
Sent from my Nexus 5 using Tapatalk
Stick with stock for at least long enough to give yourself a baseline to judge other ROMs/kernels against.
Wakamatsu said:
Stick with stock for at least long enough to give yourself a baseline to judge other ROMs/kernels against.
Click to expand...
Click to collapse
I've had my Nexus 5 for roughly 2 months now I think, are you saying I should wait it out or do more research first? It is very scary for me lol. I'm always afraid to be making major internal changes without some form of consultation and research.
Sent from my Nexus 5 using Tapatalk
Also quick question, I don't need to back anything else up correct? Flashing a kernel does not mess with anything else does it?
Sent from my Nexus 5 using Tapatalk
wardawgmalvicious said:
I've had my Nexus 5 for roughly 2 months now I think, are you saying I should wait it out or do more research first? It is very scary for me lol. I'm always afraid to be making major internal changes without some form of consultation and research.
Sent from my Nexus 5 using Tapatalk
Click to expand...
Click to collapse
I wouldn`t mess with the kernel settings like UV/OC besides color and sound optimisations. The stock settings are allready good enough for most users, only xperienced users should do that imo.
---------- Post added at 06:21 AM ---------- Previous post was at 06:18 AM ----------
wardawgmalvicious said:
Also quick question, I don't need to back anything else up correct? Flashing a kernel does not mess with anything else does it?
Sent from my Nexus 5 using Tapatalk
Click to expand...
Click to collapse
No, flashing kernels or recovery`s don`t wipe data.
gee2012 said:
I wouldn`t mess with the kernel settings like UV/OC besides color and sound optimisations. The stock settings are allready good enough for most users, only xperienced users should do that imo.
Click to expand...
Click to collapse
That's what I'll do then, what kind of sound optimizations are there? Just the mic volume and whatnot? Or are there some for playing music, I have poweramp and use that equalizer, so just wondering.
Sent from my Nexus 5 using Tapatalk
wardawgmalvicious said:
That's what I'll do then, what kind of sound optimizations are there? Just the mic volume and whatnot? Or are there some for playing music, I have poweramp and use that equalizer, so just wondering.
Sent from my Nexus 5 using Tapatalk
Click to expand...
Click to collapse
You can only raise the volume levels (no EQ settings), this should not interfere with PowerAmp.
gee2012 said:
You can only raise the volume levels (no EQ settings), this should not interfere with PowerAmp.
Click to expand...
Click to collapse
Alright guess I'll just have to carefully play around with a bit. Thanks for your help!
Sent from my Nexus 5 using Tapatalk
gee2012 said:
You can only raise the volume levels (no EQ settings), this should not interfere with PowerAmp.
Click to expand...
Click to collapse
Oh last question, do you know of any stability issues with Franco Kernel? That is my number one concern, so just checking with you real quick before I go with it finally.
Sent from my Nexus 5 using Tapatalk
wardawgmalvicious said:
Oh last question, do you know of any stability issues with Franco Kernel? That is my number one concern, so just checking with you real quick before I go with it finally.
Sent from my Nexus 5 using Tapatalk
Click to expand...
Click to collapse
I haven`t had FC`s when i used the kernel, most issues of users we`re caused by undervolting too much.
gee2012 said:
I haven`t had FC`s when i used the kernel, most issues of users we`re caused by undervolting too much.
Click to expand...
Click to collapse
Alright sounds good! I'll let you know how it goes!
Sent from my Nexus 5 using Tapatalk
wardawgmalvicious said:
Alright sounds good! I'll let you know how it goes!
Sent from my Nexus 5 using Tapatalk
Click to expand...
Click to collapse
Oke, good luck and enjoy
gee2012 said:
Oke, good luck and enjoy
Click to expand...
Click to collapse
OK maybe a stupid question, should I use auto flash or flash via recovery?
Sent from my Nexus 5 using Tapatalk

[Q] Stock + GB or ROM?

Hi guys,
Thanks for all your help so far! Love this forum.
I'm pretty noob when it comes to Android customization, so I wanted your opinion: I'm trying to decide whether to run a stable, fast ROM, or simply stock with GravityBox and Franco Kernel.
Here are my considerations:
I'm not an advanced user, but I do use my phone a lot for work and personal things like email, browser, gps, videos, etc. Since I rely on it a lot, stability is pretty key. However, I get really bothered by some UI restrictions on stock (in particular non-customizable Quick Settings, non-customizable status/nav bars, and no PIE, but other small things count too). GravityBox is sufficient for the customization I need, but at this point speed and battery life come into consideration also. I wouldn't mind a longer battery since I use the phone pretty heavily. Speed is a consideration in that it would help me get things done faster.
So I guess my dilemma is whether I should use stock while relying on GB for customization and Franco kernel for battery efficiency, or if I should run a stable, fast ROM like SlimKat for the same purposes?
Xposed will slow things down so IMHO if a ROM has all your needs, use that.
That said I use a ROM and xposed
Sent from my Nexus 5 using Tapatalk
rootSU said:
Xposed will slow things down so IMHO if a ROM has all your needs, use that.
That said I use a ROM and xposed
Sent from my Nexus 5 using Tapatalk
Click to expand...
Click to collapse
Exactly. But even I prefer stock + GB
Sent from my Nexus 5 using Tapatalk
Thanks for the replies guys. What ROM would you recommend for GB-like customization options, stability, and good battery life?
karabasdutapis said:
Hi guys,
Thanks for all your help so far! Love this forum.
I'm pretty noob when it comes to Android customization, so I wanted your opinion: I'm trying to decide whether to run a stable, fast ROM, or simply stock with GravityBox and Franco Kernel.
Here are my considerations:
I'm not an advanced user, but I do use my phone a lot for work and personal things like email, browser, gps, videos, etc. Since I rely on it a lot, stability is pretty key. However, I get really bothered by some UI restrictions on stock (in particular non-customizable Quick Settings, non-customizable status/nav bars, and no PIE, but other small things count too). GravityBox is sufficient for the customization I need, but at this point speed and battery life come into consideration also. I wouldn't mind a longer battery since I use the phone pretty heavily. Speed is a consideration in that it would help me get things done faster.
So I guess my dilemma is whether I should use stock while relying on GB for customization and Franco kernel for battery efficiency, or if I should run a stable, fast ROM like SlimKat for the same purposes?
Click to expand...
Click to collapse
Yep, SlimKat, If stock Slim is missing a feature, about 50 people in that thread build their own Slim with some mods. One guy builds a version that has a DL/UL speed indication, L-style navbar buttons, and a bunch of other things.
Kernel, use Code_Blue. I prefer it over Franco. Just don't use the stock Slim kernel.
rahulpat13 said:
Exactly. But even I prefer stock + GB
Sent from my Nexus 5 using Tapatalk
Click to expand...
Click to collapse
Stock ROM is awful IMHO.
Sent from my Nexus 5 using Tapatalk
rootSU said:
Stock ROM is awful IMHO.
Sent from my Nexus 5 using Tapatalk
Click to expand...
Click to collapse
Thats why we have slim rom
doctor_droid said:
Thats why we have slim rom
Click to expand...
Click to collapse
Indeed. Even then I still add xposed though.
Sent from my Nexus 5 using Tapatalk
I'll add my usual comment..... Lol
Roms have near nothing to do with battery life. It's setup and usage that make or break battery life.
Don't factor battery life into Rom decisions.... They're all the same. ?
KJ said:
I'll add my usual comment..... Lol
Roms have near nothing to do with battery life. It's setup and usage that make or break battery life.
Don't factor battery life into Rom decisions.... They're all the same. ?
Click to expand...
Click to collapse
The only way a ROM can really affect battery is if a feature is designed poorly or there's a derp in the build..
But yeah, you can't really improve "ROM battery life", you can only make sure there aren't any problems which affect it negatively.
rootSU said:
Xposed will slow things down so IMHO if a ROM has all your needs, use that.
Click to expand...
Click to collapse
Really? I have the stock ROM and xposed with six different modules and I haven't noticed a substantial performance difference. Perhaps it's one of the modules you have installed or maybe xposed doesn't play as well with your ROM as it does with stock?
BirchBarlow said:
Really? I have the stock ROM and xposed with six different modules and I haven't noticed a substantial performance difference. Perhaps it's one of the modules you have installed or maybe xposed doesn't play as well with your ROM as it does with stock?
Click to expand...
Click to collapse
Xposed is always going to slow it down. The amount, however, is different for everyone.
KJ said:
I'll add my usual comment..... Lol
Roms have near nothing to do with battery life. It's setup and usage that make or break battery life.
Don't factor battery life into Rom decisions.... They're all the same. ?
Click to expand...
Click to collapse
So what about things like Franco Kernel, which claims to slow down processor when not in use to conserve battery?
And thanks for the help guys. I flashed SlimKat for now and am so far pretty happy with it.
Lethargy said:
Xposed is always going to slow it down. The amount, however, is different for everyone.
Click to expand...
Click to collapse
Currently m an exception . Only module m using is gb...and by far havent noticed any slowdown...
doctor_droid said:
Currently m an exception . Only module m using is gb...and by far havent noticed any slowdown...
Click to expand...
Click to collapse
Might not be noticeable, or it might be obvious, it's still always going to slow it down overall. Different experience between different people.
karabasdutapis said:
So what about things like Franco Kernel, which claims to slow down processor when not in use to conserve battery?
And thanks for the help guys. I flashed SlimKat for now and am so far pretty happy with it.
Click to expand...
Click to collapse
I've used every Rom and kernel almost and after setting each up how I regularly do, and with similar usage patterns always....my battery times were always similar.
I never play with the clock speeds I should add......but that's my experience. The roms or kernels I used made no real difference to my battery life.
?
Yes I've seen lots of "claims"....And guess what, many believe them. ?

Underclocking for better battery life?

Will lowering the voltages improve battery life? If so, how can I go about doing it? I don't really need so much power since I rarely game and all I do is stream media and normal web-browsing.
fist steps are to root and install a custom kernel, if available..the use a kernel modifying program and make your changes that way..
I think you can't since kernel is closed source for our device, might be able with custom ROM. The thing is you don't really want to. Processor has 4 small cores for simple tasks and power saving, it only uses big cores on heavy use. The manufacturer has alredy given you the best option and if the phone is working fine why mess with it? For extra 30 min battery life? It's just not worth it. If you wanna try custom roms buy some older device or Nexus and try it out. Huawei just works from the box.
Without a custom kernel it's impossible. We should get sources soon so just wait
But yeah. Underclocking should improve battery life..
Edit: Sources are up!
ante0 said:
Without a custom kernel it's impossible. We should get sources soon so just wait
But yeah. Underclocking should improve battery life..
Edit: Sources are up!
Click to expand...
Click to collapse
Sources for?
Jaimesco12 said:
Sources for?
Click to expand...
Click to collapse
Mate 9 Kernel source.
ante0 said:
Mate 9 Kernel source.
Click to expand...
Click to collapse
Is there a thread about this or where did you find out? That's awesome news
Jaimesco12 said:
Is there a thread about this or where did you find out? That's awesome news
Click to expand...
Click to collapse
I just checked Huawei open source download site and noticed MHA at the top
arminbih said:
I think you can't since kernel is closed source for our device, might be able with custom ROM. The thing is you don't really want to. Processor has 4 small cores for simple tasks and power saving, it only uses big cores on heavy use. The manufacturer has alredy given you the best option and if the phone is working fine why mess with it? For extra 30 min battery life? It's just not worth it. If you wanna try custom roms buy some older device or Nexus and try it out. Huawei just works from the box.
Click to expand...
Click to collapse
Makes sense. Thank you! I'm still happy with the device. I was just curious as to how/if it was possible and if there were really any benefits. But yeah, for 30 minutes? Might as well just turn on (Ultra) Power Saving mode.

Best Rom\Kernel Combo for SOT and Performance?! POST PICS!

Hey guys … we've had quite a bit of development in a very short amount of time since release. There are some very talented developers out there and a dedicated number of people making our already great phone even better.
So, I was curious to see at this point what Rom\Kernel Combo everybody is running to get the most out of the battery while maintaining performance!
Sound off on which rom\kernel combo you're using and post battery life screenshots if you have them!
Thank you to the developers that make this happen, we couldn't have gotten here without you!
I guess there is only one stable rom xXx
vjendra said:
I guess there is only one stable rom xXx
Click to expand...
Click to collapse
that one does look good, are the others buggy?
leondestiny said:
that one does look good, are the others buggy?
Click to expand...
Click to collapse
I found only xXx to be stable.
marcusrab said:
Hey guys … we've had quite a bit of development in a very short amount of time since release. There are some very talented developers out there and a dedicated number of people making our already great phone even better.
So, I was curious to see at this point what Rom\Kernel Combo everybody is running to get the most out of the battery while maintaining performance!
Sound off on which rom\kernel combo you're using and post battery life screenshots if you have them!
Thank you to the developers that make this happen, we couldn't have gotten here without you!
Click to expand...
Click to collapse
Thank
marcusrab said:
Hey guys … we've had quite a bit of development in a very short amount of time since release. There are some very talented developers out there and a dedicated number of people making our already great phone even better.
So, I was curious to see at this point what Rom\Kernel Combo everybody is running to get the most out of the battery while maintaining performance!
Sound off on which rom\kernel combo you're using and post battery life screenshots if you have them!
Thank you to the developers that make this happen, we couldn't have gotten here without you!
Click to expand...
Click to collapse
SOT varies and depends on your usage.
Xxx+cleanslate
If you want a balanced kernel with a really good battery life, you should go with franco kernel. I achieved very good stand by and screen on time, even on the currently battrry-buggy OxygenOS 5.1.8. And if you want a light customizable ROM with quiet a few goodies, go with Renovate 3.2.
charlieb620 said:
Xxx+cleanslate
Click to expand...
Click to collapse
Do you have any SOT info?
I know its subjective but it gives a pretty general idea of the rom\kernel combo.
Thanks!
memocatcher said:
If you want a balanced kernel with a really good battery life, you should go with franco kernel. I achieved very good stand by and screen on time, even on the currently battrry-buggy OxygenOS 5.1.8. And if you want a light customizable ROM with quiet a few goodies, go with Renovate 3.2.
Click to expand...
Click to collapse
That's really good SOT!
Is that what that screenshot comes from? Renovate 3.2 + Franco ?
Thanks!
memocatcher said:
If you want a balanced kernel with a really good battery life, you should go with franco kernel. I achieved very good stand by and screen on time, even on the currently battrry-buggy OxygenOS 5.1.8. And if you want a light customizable ROM with quiet a few goodies, go with Renovate 3.2.
Click to expand...
Click to collapse
Is that stock options with Franco?
If I pick up my phone and use it all day in bed when I'm under the weather or when I'm home for the day with nothing to do I can get 7 hours of screen on time with constant usage at half brightness. When I am at work and have the phone with me and do a little gps etc I can get about 6 hours. It all depends on your usage and also your cell signal. The worse your signal is the faster it drains the battery. The more GPS you use the faster your battery dies. It doesn't matter which kernel I am running, (I'm currently on stock 5.1.8 with Magisk, Xposed & ElementalX) battery life is pretty much the same.
marcusrab said:
That's really good SOT!
Is that what that screenshot comes from? Renovate 3.2 + Franco ?
Thanks!
Click to expand...
Click to collapse
if you won't stop to believe that rom and kernel are responsible for SOT and standby drain you will never be able to 99.9 control and manage your battery usage.
it's all in user space as long as there is no know battery hog (know bug) in either rom or kernel.
before anyone is going to jump now, search and read, to help you start read this:
http://elementalx.org/the-truth-about-kernels-and-battery-life/
written by the most renown and longterm kernel developer here on xda which means at all
marcusrab said:
That's really good SOT!
Is that what that screenshot comes from? Renovate 3.2 + Franco ?
Thanks!
Click to expand...
Click to collapse
Yes. My current set up
---------- Post added at 09:29 PM ---------- Previous post was at 09:27 PM ----------
bauwoo said:
Is that stock options with Franco?
Click to expand...
Click to collapse
I underclocked the cpu by 25%. (Doesn't have a effect on performance as fas as I see)
I get 6hrs+ SOT using stock OOS 5.1.8 + Frankenkernel.
magnamentis said:
if you won't stop to believe that rom and kernel are responsible for SOT and standby drain you will never be able to 99.9 control and manage your battery usage.
it's all in user space as long as there is no know battery hog (know bug) in either rom or kernel.
before anyone is going to jump now, search and read, to help you start read this:
http://elementalx.org/the-truth-about-kernels-and-battery-life/
written by the most renown and longterm kernel developer here on xda which means at all
Click to expand...
Click to collapse
wait, what? I was asking if the screenshot that you posted was with Renovate and Franco... I never said I dont believe you. Or research.
Just getting clarification.
memocatcher said:
Yes. My current set up
---------- Post added at 09:29 PM ---------- Previous post was at 09:27 PM ----------
I underclocked the cpu by 25%. (Doesn't have a effect on performance as fas as I see)
Click to expand...
Click to collapse
Those are some great numbers! Thanks for your input and the screenshots!
memocatcher said:
Yes. My current set up
---------- Post added at 09:29 PM ---------- Previous post was at 09:27 PM ----------
I underclocked the cpu by 25%. (Doesn't have a effect on performance as fas as I see)
Click to expand...
Click to collapse
Yep. Stock /w Franco.

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