[Question] Which ROM/Kernel for better battery life? (exynos model) - Samsung Galaxy S9+ Questions & Answers

I am really lost here guys.
With what I have seen, battery life on s9+ (exynos) really sucks with semi-heavy usage (because of bad tweaking from Samsung?). There are already ROMs and Kernels, but are any of those capable of somewhat good battery life increase on this thing?
Thanks for any suggestions...

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Benchmarking ROMs for battery consumption

Which ROMs are the best and which ROMs are the worst when it comes to battery consumption. Has anyone done any sort of testing / comparison?
Thanks in advance.
I would like to know this as well... I'm running Juggalo's rom which I love but my battery life sux... data off, texting very little and making just a couple of short phone calls and backlight is low and I still have to charge the phone 4x a day...
The most battery efficient ROMs from my experience have been the 21109 build OS ROMs...
I'd like to see what other's have experienced so far...
If you guys can tell me what software to use for battery consumption benchmarking i'll go ahead and help everyone out....
so far it looks like people are going for looks vs performance... sad

[Q] How much battery life does flashing an optimized ROM add?

Hi, I know battery life is super dependent on usage patterns, but can you guys chime in on how much battery life these "tweaked" ROMS are adding?
Some info is better than none. Are we talking in the range of 10% or more in the range of say, 50% better?
Same question for adding an aftermarket battery like the Anker. Are your run times improving by 10% or much more than the extra mAH would suggest?
Thanks
lamenramen said:
Hi, I know battery life is super dependent on usage patterns, but can you guys chime in on how much battery life these "tweaked" ROMS are adding?
Some info is better than none. Are we talking in the range of 10% or more in the range of say, 50% better?
Same question for adding an aftermarket battery like the Anker. Are your run times improving by 10% or much more than the extra mAH would suggest?
Thanks
Click to expand...
Click to collapse
In my experience about 10-25% depending on the room.

Should i upgrade to lg v10 ?

Hello guys i am little confused to buy a new device since are lots of out there.and i think this is a perfect place to know your opinions about v10.
I am using samsung galaxy note 4 right now and i am about to buy lg v10 cuz i like the design and socendery display.
So what's your suggestions guys should i upgrade from note 4 to v10 or it should be not good upgrade?
How is the performance compare to note 4 ?
And how is the battery life ? I heard snapdragon 808 has lot heating issues and battery drain
Thank you.
808 doesn't have heating issues like the 810.
I upgraded from the note 3 to the v10 and there was a night and day difference. I'm not sure the difference would be as noticable from a note 4.
The problem with the v10 is definitely the battery life, fortunately you can get battery packs with double (6400 mAh) or triple the capacity (9000 mAh) which makes the battery life good enough.
I like my v10 but unless you've got either an aftermarket battery pack or a spare battery the battery life is pretty terrible.
Sent from my LG-H901 using XDA-Developers mobile app
Depends on what you expect...Phone seems durable. No custom ROM'S jet (probably never), batt. is so-so...camera compared to your note4 is maybe slight better...but just because manual mode.
I'm still waiting for that ''perfect phone'' to be out.
I honestly think you should keep your note 4, buy a spare battery pack, and install a note 7 rom, because the battery life in this phone isn't all that, and there is no support for this phone

bether rom to battery life

Hi guys I'll like to know witch rom it's better to battery life, or some apps or mods to have better battery life on lineage os. Thanks

Advice regarding custom roms

Hi everyone, I have had a Poco F1 for the last three years, and I'm not planning on change it for another phone anytime soon, but the thing is, that I'm trying to get into genshin impact, but due to work, I don't have much time to play it at home, so I would like to play on my phone on breaks or on the bus, but there's two problems,
The first is performance, the game really chugs a lot even on low settings precisely when I move the camera, and I've seen a lot of people on the internet that can play with better settings with better performance.
The second is the battery, after a battery replacement the phone is not that bad on normal use, but when gaming, it drains a lot of battery, I think I can't even get two hours without charging it while playing, and I would like to get the same kind of battery life I was getting on when i first got the phone. (I remember playing PUBG, when I first got it, for hours without charging it)
After the long introduction, I would like to get some kind of advice on what custom rom should I flash on my phone regarding this:
-It has to have better overall performance, since the gaming performance is so lackluster and poor.
-It has to have better battery life (yes, I know that balancing the two is kind of difficult, and I've seen a lot of performance specific roms and kernels but I really don't know about the battery life on those), and keep in mind that this is my only phone so I would like to have a phone that can last me one day, on normal use of course.
-It has to support some of the features that the stock rom has, like face and fingerprint unlock, and notch support.
-And lastly it would be essential that the rom supports safenet (since I'd be using banking apps), and google applications baked in. (I would as well not like to root the device).
When researching, I always come to these two, the Pixel Experience and the Corvus OS, but I know there's a ton more out there.
So I would be happy if someone gave me some kind of advice on this topic.
Thanks.
Edit: I´ve never done any flashing of custom roms on any phone so i dont have experience.
Ocramovic said:
Hi everyone, I have had a Poco F1 for the last three years, and I'm not planning on change it for another phone anytime soon, but the thing is, that I'm trying to get into genshin impact, but due to work, I don't have much time to play it at home, so I would like to play on my phone on breaks or on the bus, but there's two problems,
The first is performance, the game really chugs a lot even on low settings precisely when I move the camera, and I've seen a lot of people on the internet that can play with better settings with better performance.
The second is the battery, after a battery replacement the phone is not that bad on normal use, but when gaming, it drains a lot of battery, I think I can't even get two hours without charging it while playing, and I would like to get the same kind of battery life I was getting on when i first got the phone. (I remember playing PUBG, when I first got it, for hours without charging it)
After the long introduction, I would like to get some kind of advice on what custom rom should I flash on my phone regarding this:
-It has to have better overall performance, since the gaming performance is so lackluster and poor.
-It has to have better battery life (yes, I know that balancing the two is kind of difficult, and I've seen a lot of performance specific roms and kernels but I really don't know about the battery life on those), and keep in mind that this is my only phone so I would like to have a phone that can last me one day, on normal use of course.
-It has to support some of the features that the stock rom has, like face and fingerprint unlock, and notch support.
-And lastly it would be essential that the rom supports safenet (since I'd be using banking apps), and google applications baked in. (I would as well not like to root the device).
When researching, I always come to these two, the Pixel Experience and the Corvus OS, but I know there's a ton more out there.
So I would be happy if someone gave me some kind of advice on this topic.
Thanks.
Edit: I´ve never done any flashing of custom roms on any phone so i dont have experience.
Click to expand...
Click to collapse
You can find everything you need in my POCO F1 Ultimate Collection & Guides. (Scroll down for guides)
About ROMs, I recommend you to pick one the awarded ROMs. Keep in mind none of A12 ROMs have Face Unlock (yet). If you really need Face Unlock choose A11 ROM but A12 is much smoother and better overall and support is active.
Carrying around a powerbank isn't possible? Gaming drains a lot of battery... Could be that Genshin Impact is more taxing on the battery that PUBG. I remember 25% active drain in the latter.
Regarding battery life crDroid is fantastic but the stock Optimus Drunk kernel in A11 wasn't geared towards hardcore gaming. OD kernel is no longer being updated for F1 and in A12 the default is the generic? "perf" kernel. You could try a few of the custom kernels available for A12.
Yeah, I could carry a power bank, but the most pressing issue is the lackluster performance.
When I referred PUBG, I wasn't comparing it with genshin impact, I was comparing the battery life I had in the beginning playing that specific game and the battery life I have now in the same situation.
I have been looking into arrowOS, in Android 11, it seems to have a decent performance increase in relation with stock with better RAM management and good battery life.
I also saw a bunch of comparisons between MIUI 11 and MIUI 12, and the battery life on the first "reminds" me of the kind of battery life I was getting when I got the phone.
Ocramovic said:
Yeah, I could carry a power bank, but the most pressing issue is the lackluster performance.
When I referred PUBG, I wasn't comparing it with genshin impact, I was comparing the battery life I had in the beginning playing that specific game and the battery life I have now in the same situation.
I have been looking into arrowOS, in Android 11, it seems to have a decent performance increase in relation with stock with better RAM management and good battery life.
I also saw a bunch of comparisons between MIUI 11 and MIUI 12, and the battery life on the first "reminds" me of the kind of battery life I was getting when I got the phone.
Click to expand...
Click to collapse
Did you replace with the official battery? Majority of the third-party batteries are rubbish. Even in case of the official battery it's possible to lose out on 10% of the rated capacity due to the aging process, 2-4%/year. It's difficult to get the same battery life in changing workloads like games anyway.

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