Best, most stable, most usable ROM atm? - Galaxy S 4 Q&A, Help & Troubleshooting

Feel free to share your setups and experiences in this thread.

Go away. There is no best
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i would love to know that too
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I'll start things off for you...
It all depends on what you want out of your phone. My set up is for battery performance so I've got omega rom v3.1 teamed up with kt-sgs4 kernel. Under volted by 50 across the board, under clocked when screen off and some smaller tweaks to help eek more battery out...
After full day of use with wifi, bluetooth, gps and air gestures on I've still got 48% battery left...
But equally u could use the same set up for performance if needed by changing some kernel tweaks like screen off mhz, Overclocked cpu and gpu etc etc
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What's the best recovery?

I could give you a link to the one that works best for me but it'll probably brick your phone.
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Related

The best kernel for battery life

can someone suggest me the best kernel for battery life? i don't want to change the rom, just the kernel. stock rom already good for me.
Kernel has mininmal effect on battery life. Main factor is peimarily usage and screen on time.
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[Kernel]Phenomenal 1.0 (Normal, Medium, Extreme) - Designed for Battery - http://forum.xda-developers.com/showthread.php?t=1728758
[Kernel]Phenomenal 1.0 (Normal, Medium, Extreme) - Designed for Battery
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http://forum.xda-developers.com/showpost.php?p=28236041&postcount=1274
My answer is here.
Not the kernel itself. My answer is there. That there is no best. Please read it
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Closed, there is no "best" kernel, rom, phone, whatever, there is just what suites you best.

What is a safe level to over clock?

Hi all,
I am using a rooted n7.
I have over clocked my galaxy s2 to 1.5ghz before, but I am not sure what is a safe level to over clock the n7 to.
What is a is is for battery life and performance?
And which kernel do u guys recommend
?
Thanks in advance
Cheers
Corey
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fishingfon said:
Hi all,
I am using a rooted n7.
I have over clocked my galaxy s2 to 1.5ghz before, but I am not sure what is a safe level to over clock the n7 to.
What is a is is for battery life and performance?
And which kernel do u guys recommend
?
Thanks in advance
Cheers
Corey
Sent from my GT-I9100 using xda premium
Click to expand...
Click to collapse
I run trinity kernel on my Gnex and N7 and on my N7 I keep it stock speeds because I've seen no reason to realistically OC it. Most of the improvements I see are from the kernel software changes over stock. You can OC to 1.6 safely but I'm not sure of the power usage difference but I'm pretty sure the loss in power isn't worth the gain from OCing.
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I have mine at 1.6 just for the hell of it, I get a good 4 or 5 hours of continuous usage out of it.
brando56894 said:
I have mine at 1.6 just for the hell of it, I get a good 4 or 5 hours of continuous usage out of it.
Click to expand...
Click to collapse
For the benefit of the community, can you tell us any major changes at 1.6 GHz?
Is there anything noticeably faster?
Hi, I have a related question but can't post since I'm new.
Using the glazed rom which i like but it apparently has gpu overclock. I would like to know how to adjust that back to stock setting or at least see what it currently is. I found the CPU section but there is no gpu I can see.
Is there a tool I can use?
Sorry for the hijack...at least its sort of on topic
IMO over clocking is a gimmick, its the kernel build
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Harry GT-S5830 said:
IMO over clocking is a gimmick, its the kernel build
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Click to expand...
Click to collapse
My thoughts exactly. I play some light games and web browse on my Nexus 7.
For those purposes, my Nexus 7 is already extremely fast, so I don't think I would be able to notice if it was over clocked.
But I guess it depends, maybe there's a big difference when running GPU heavy games.
I have OC mine upto 1640 MHz for bench marking alone for half and hour or probably more and it went fine although the tablet was getting warmer more than usual.
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Hi,
I decided to flash trinity kernel.
I am currently OC to 1.5yghz, is that a safe level to keep it at full time? Or can that burn the cpu out?
Thanks again
Cheers
Corey
Edit,
I over clocked my galaxy s2 ages ago, and I noticed a huge difference in performance.
So that is why I want to over clock my n7 too lol
Corey
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there is no such thing as a safe overclock. overclocking, by nature, carries some risk. that said, i havent seen anyone brick their device from overclocking.
fishingfon said:
Hi all,
I am using a rooted n7.
I have over clocked my galaxy s2 to 1.5ghz before, but I am not sure what is a safe level to over clock the n7 to.
What is a is is for battery life and performance?
And which kernel do u guys recommend
?
Thanks in advance
Cheers
Corey
Sent from my GT-I9100 using xda premium
Click to expand...
Click to collapse
Just wondering
Why do you feel the need to OC?
I go to 1.6 but use the Trinity App to go back to stock when OC not needed
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I have not over clocked the Nexus 7 yet but one way to test your devices max is to use setcpu. Make sure you do not have "set on boot" option selected. Then step up your cpu. If your cpu can not handle the over clock it will force restart. If you do not have the set at boot selected it will revert back to the last good state on restart.
Each device is different on what it can handle for over clock.
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fishingfon said:
Hi,
I decided to flash trinity kernel.
I am currently OC to 1.5yghz, is that a safe level to keep it at full time? Or can that burn the cpu out?
Click to expand...
Click to collapse
To be honest I doubt you'll notice much increase from oc the CPU since the CPU already is so powerful nothing pushes it to max really.
Only thing worth overclocking is GPU really. And at that, your not going to notice a difference unless your playing some intense games.

Best ROM/tweak for better battery life on Nexus 4

Does anyone know a stable ROM that can significant increase the battery life on the Nexus 4? Right now I'm stock, and battery life has been terrible and doesn't even last me through the day. It is also very slow to charge on the included charger, but seems to charge faster on a Kindle Fire 1.8A I have.
Thanks!
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The custom kernels in the dev section offer decent battery life.
I'm a wifi user mostly and I get @5.5 to 6 hours screen on time with lite gaming and browsing (this site all day lol).. i do Undervolt by a total of 150mV too... I recomend Harsh's kernel personally.
Underclocking the CPU is not worth it imo because it just makes other cores go online quicker when more power is needed... though it may help a small bit.
other usual tips..
use low screen brightness
turn off google now
turn off gps location
only sync stuff you really use, turn other syncs off (i have just gmail,contacts,browser synced)
turn off nfc if not using
make sure to use the open recent apps button and swipe away all apps when putting the phone down for a while (this really helps with stock kernel because of the wakelocks)
edit.. also after a week or so of charges the battery gets better.
Mpdecision is killing the battery. Try Franco kernel or faux.
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expertzero1 said:
Mpdecision is killing the battery. Try Franco kernel or faux.
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Click to expand...
Click to collapse
Or trinity.
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I'll give Franco kernel a try. Can CyanogenMod increase the battery life in the Nexus 4?
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Fauxs kernel and eco mode
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Sorry, no "Best ROM threads"
Closed thread

Under clocking on stock ROM?

I've noticed that the default clock speed for the Nexus 4 CPU is 1GHz - 1.2 GHz (for my phone, anyway), but any attempts to underclock either of these values with many of the available CPU control apps have been useless, for after about a minute of usage, the clock speeds return to default, despite the CPU governor remaining as my choice.
I'm wondering if it's actually possible to effectively underclock/overclock on a stock ROM. If not, are there any battery-life optimized roms/kernels out there?
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Are you rooted? If you are, I don't think you should have trouble underclocking on stock. What app are you using to change your CPU frequencies? Try using a different one.
Trinity Four kernel has given me the best battery life so far.
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You need to be rooted, use setCPU (app) or flash a custom rom
Can I flash the Trinity Four kernel over the stock ROM without having to wipe everything?
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HadouKenny said:
Can I flash the Trinity Four kernel over the stock ROM without having to wipe everything?
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Click to expand...
Click to collapse
Yes, u can flash any kernel without wiping ur data
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[DISCUSSION]Governors and Schelduers

Okay,so i made this thread so that development thread become less spammed with your questions.
Please,share your opinions here and ask questions,someone will answer you,and share your screenshots of battery life.
I personally use PegasusQ+VR,it gives great performance and good battery life.
My second choice would be Abyssplug+SIO,especcialy for the hotplug feature.
(In case you dont know what Hotplug is,its the feature that turns off the second core when your phone is not in use.)
I cant decide wich is better,tommorow ill test Hotplug+sio,and ill post screenshots of both tommorow.
Please,ask any questions here,dont spam Benz's threads.
Thank you
DeHuMaNiZeD said:
Okay,so i made this thread so that development thread become less spammed with your questions.
Please,share your opinions here and ask questions,someone will answer you,and share your screenshots of battery life.
I personally use PegasusQ+VR,it gives great performance and good battery life.
My second choice would be Abyssplug+SIO,especcialy for the hotplug feature.
(In case you dont know what Hotplug is,its the feature that turns off the second core when your phone is not in use.)
I cant decide wich is better,tommorow ill test Hotplug+sio,and ill post screenshots of both tommorow.
Please,ask any questions here,dont spam Benz's threads.
Thank you
Click to expand...
Click to collapse
OnDemand + CFQ (Like in stock ROM) the only way that donĀ“t dry my battery.
With that combination my phone is slow like hell..have you tried those that i wrote.
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DeHuMaNiZeD said:
With that combination my phone is slow like hell..have you tried those that i wrote.
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Click to collapse
Yes, but my batteryd doesn't like them very much
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thats odd
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Hi, can you tell me the best combination of governors to use. I'm using latest cm
10.1 maclaw build with hotplug and noop, but i think CPU its not sleeping cause i loose about 5% battery in 2hours withought using my fone at all. Thanks
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Hotplug governor is indeed a joke, at least in Maclaw's CM (not surprised). There is no way to set it up for low battery drain /and/ reasonably smooth functionality. Right now I am using Ondemand + CFQ while playing with the powersave bias and up threshold parameters. The only thing I wish I had from Maclaw/Benz's kernel is the vr/sio schedulers.
You have VR and sio schelduer in Benz's kernel,and Abyssplug governor with real hotpulg feature,when you dont use the phone cpu shuts down one core and the remaining core runs on 200Mhz and 1% usage.
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I would gladly use that kernel if it didn't have the dirty flickering fix. And if it didn't require CM10.1 reboot edition.
Also, when I was on CM i ran a logcat with hotplug activated. The second core would often reactivate even if the phone wasn't doing anything, with the screen turned off, then soon turn off and after a few seconds repeat the process. Maybe this phone really needs the core.
What flicketing fix? I got no flickering on the latest Maclaws cm and benzs kernel..and it shuts down the core,you can see with system monitor when your screen is on..dunno for screen off,but i get like 1% drained for a hour with screen off
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The 63 fps refresh rate, which "fixes" the UI flickering.
And yes, I saw the second core turning off myself. However, I am not sure if it keeps being off enough time.
Well in maclaws rom i dont have flickering,but in olivers i had. I dont know,i got decent battery life. Not good as stock,but its ok
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Which is more battery friendly? Abyssplug or Pegasusq?
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Nemo1984 said:
Which is more battery friendly? Abyssplug or Pegasusq?
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Click to expand...
Click to collapse
Read this. It will help you to decide which is the best for your needs:good::good:
P.S: BTW, @DeHuMaNiZeD, if you want, add this link to your OP, so people can read it & learn.
Nemo1984 said:
Which is more battery friendly? Abyssplug or Pegasusq?
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Click to expand...
Click to collapse
Pegasusq said to have hotplugging but doesnt seem to work with screen on
Based on what I read, my best guess would be Abyssplug. I'll run some tests and will post my results.
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AssToast said:
Pegasusq said to have hotplugging but doesnt seem to work with screen on
Click to expand...
Click to collapse
Yes, it only turn off one core when the screen off. I'm testing pegasusq + sio
For the next days, I'll be on abyssplug + sio.
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metalboy94 said:
The 63 fps refresh rate, which "fixes" the UI flickering.
And yes, I saw the second core turning off myself. However, I am not sure if it keeps being off enough time.
Click to expand...
Click to collapse
And what exactly is so wrong with 63 fps refresh rate? Will your screen fry because of it? No it won't because it can't. Will your phone explode while being used? No it won't because it can't. What's the issue here then? Tell me.
Benzonat0r said:
And what exactly is so wrong with 63 fps refresh rate? Will your screen fry because of it? No it won't because it can't. Will your phone explode while being used? No it won't because it can't. What's the issue here then? Tell me.
Click to expand...
Click to collapse
Have you considered the battery drain implications? The battery is weak enough as it is, a higher than normal refresh rate only wastes more GPU power thus more battery.

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