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[Q] Disastrous Battery LIfe on Any CM/AOKP/ PA/ based roms

after flashing alomost all the possible roms for i9500, i noticed that any CM/AOKP/AOSP/PA roms gives very bad battery life.
i can actually see the % coming down as i use it very lightly that too.( just using gallery, File manager, SMS ,etc) :crying:
but this is not the case when i use a stock or stock based ROM. Stock gives amazing battery.
i even tried many different kernels, still no use,
is there any way i can get max battery life ( like stock) thru any of the CM/AOKP/AOSP/PA roms? if so which ROM and which kernel
cz i like the CM looks and easiness in functioning much better than stock . and i would like to use 4.4.3 or 4.4.4
Currently Running
Stock 4.4.2
KOT49H.i9500XXUFNC1 build
stock kernel
ROOTED
Baseband- i9500DDUFNA4

D800 question

I'm kinda lost here. I'm looking to buy a D800, but wanted to know if root and leave the phone free to install aosp roms like CM11 will be possible and not complicated as hell. Wich are the steps I should follow to root / unlock, install twrp, and backup the original rom? (To later install CM11)...
Please any advice, links, etc will be greatly appreciated. Cheers!

The phone itself is good but the stock software is annoying. There are stable aosp roms available, but they have all very bad Cameras and inferior battery life. So basically most people would be forced to use the crappy lg stock rom anyway. Rooting is very easy as well as recovery

Oh that's bad news... had the idea to flash it with CM11 (while 12 is under development), or G3 roms, some people had told me this phone were good with AOSP roms... It's only the camera that does not work as intended on aosp roms? No fix for battery?

FedericoUY said:
Oh that's bad news... had the idea to flash it with CM11 (while 12 is under development), or G3 roms, some people had told me this phone were good with AOSP roms... It's only the camera that does not work as intended on aosp roms? No fix for battery?
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I have D800 and it really isn't as bad as people make it out to be. I can get 12 hours of usage on CM11 with 4-5 hours of screen time. Stock Rom is fine but then again I use the T-Mobile stock Rom on mine when I'm stock or CloudyG3 Rom. Right now I'm using Flyme OS Rom and I started this morning at 45% and was at 7% after 12 hours of work and had 4 hours of screen time.

Jammol said:
I have D800 and it really isn't as bad as people make it out to be. I can get 12 hours of usage on CM11 with 4-5 hours of screen time. Stock Rom is fine but then again I use the T-Mobile stock Rom on mine when I'm stock or CloudyG3 Rom. Right now I'm using Flyme OS Rom and I started this morning at 45% and was at 7% after 12 hours of work and had 4 hours of screen time.
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Yes I'm about to purchase a d800, if it is good with CM11, then its good for me. Maybe later it will have lollipop roms and that will be another era... Thanks for the answers! Cheers.

Hey FedericoUY, I received my phone about a month ago and I'll go through my journey from all of the likely problems and what's required for unlocking, rooting, installing a rom for the first time on this device. I'll describe the benefits/disadvantages from the different rom distributors recommended for this device. Until a few days ago I would have agreed AOSP was better left avoided on this device, and why CM11 is still not recommended for the G2.
When I received my G2, while I had the intention to flash it. I was gravely disappointed with it, because of the shocking software and default setup. But it's become my favourite phone since. I too thought CM11 would do it for me, it really didn't on this phone. And the display & specs make it seem extremely outdated, not to mention none of the phone-specific features really worked.
(In order of events)
Sim Locking for AT&T (do first)
By default it's locked, as I imported it through the US and without an account for them I had to purchase a 3rd party unlock code for $2. Strangely I had to keep it unlocked on the stock firmware for a certain amount of time (tried a day) before it remembered the unlocking when flashing a custom firmware.
Rooting (do secondly)
The only method which worked on the latest G2 stock rom was to use "Stump Root" in the "Brute force" mode as the latest rom version didn't have a pre-configured rooting routing.
Installing a custom recovery (do third)
The only method which worked on the latest G2 stock rom was an app called "D800_AutoRec.apk" which just installed the latest TWRP recovery, from there I could flash anything.
Which roms are decent for the D800?
While personally I've stayed with more AOSP roms like CM and AOKP, the best rom & kernel to use in terms of performance/battery life and phone specific features is not the stock G2 software nor AOSP. I'll explain further why.
For the kernel, the arguably most matured and feature rich, battery friendly and performance suited kernel is the Dorimanx kernel. Which is unfortunately only compatible with stock G2 & G3 roms.
With this in consideration and all of the improvements in the G3 firmware, fully supporting this phone's features, makes the G3 roms peoples choice, in particular CloudyG3 targeted for the G2.
When it comes to AOSP like roms, there is two okay kernels which are compatible with CM and the other is only compatible with AOSP roms, with a few exceptions. Both of these kernels have poor battery life in comparison and produce a lot of heat, not to mention lesser abilities in terms of tweaking (overclocking, underclocking rate, faster charge, etc). It generally only gets worse from here using rom released kernels. It's fairly uncommon for features such as double tapping wake to work, and the lack of on-screen keyboard usability improvements.
However, Lollipop has turned things around. While not flossing as much battery life savings as CloudyG3 with the Dorimanx kernel, performance, design/look (can change Google keyboard to old theme) has brilliantly increased. It's been the only close to stock rom I've ever been largely happy with. Despite not having any real CM features and a few bugs at this moment in time.
Therefore, if you like the ability to tweak and charge faster and overclock a lot with great battery life I suggest CloudyG3 and Dorimanx. If you want an AOSP rom, I'd use Lollipop. If you want a full featured stock rom with a nice kernel, I'd wait awhile and opt for CloudyG3 until lollipop roms mature. For a battery comparison, the stock G3 rom with a custom kernel lasted me 5-7 days without charging, with CM11 I can only get about 1 day if I'm lucky.

[Q] LG STOCK 5.0.2 vs. AOSP 5.1.x - What say you?

I am wondering what others have to say about STOCK 5.0.2 vs. AOSP 5.1.x, because it pretty much looks like LG is making people play beta testers on an already outdated Lollipop version (considering certain problems people are reporting in the D802 5.0.2 thread).
I currently have 30a on my D802 with the intention to upgrade to 30e, but I'm also eying at AICP 9.x and BlissPop 3.x. Not sure which is the most stable Lollipop for the G2, and I don't have any use for most LG and Google apps anyway.
P.S. So far I really like LP, and I have no intentions to go back to KK.

Have you used 5.1 aosp before? Im noticing worse battery life compared to kitkat, still don't have lg's lollipop update.
Also doubt tap to wake doesn't work on aosp for now at least on ressurection rom it doesn't, no xcam driver for 4k recording and slowmo. Gotta try them both and see if you can live with the pros/cons of each.

Stock is better
And no qslide smartcover qremote quickmemo and other great things that made g2 better than nexus. I'm on android from donut times, and I never thought that I would prefer stock roms....
_____________________________________Read more write less and be smart
Edit: and no dorimanx...

Unlike other devices,LG 's stock firmware seems to be way better in battery and features,for me in kitkat.And most of the aosp roms seems more or less the same,also the battery is not good compared to stock.Now in stock 30d LP,the device seems to be smooth and fast,but the battery is not as good as it used to be in kitkat.Still ,for me it looks better than aosp roms.

Is there any rom that has everything working (nfc, wifi etc)

So is there any rom (I think stock based would be my best bet) that has no important bugs? Or should I just flash a custom kernel on a stock firmware?

No there is no such perfect custom rom due to some technical limitations.

Try stable ROMS, there is more probability you find everything working there. I suggest you Resurrection Remix for personalization and CM 12.1 for stability. Btw is your choice, choose the one suits you best.

StillNoName said:
So is there any rom (I think stock based would be my best bet) that has no important bugs? Or should I just flash a custom kernel on a stock firmware?
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as you said the stock based is your best bet but for me i use s5 mini rom it has everything working exept NFC because s5 mini does not have that feature

This rom has probably less bugs than the rest http://forum.xda-developers.com/galaxy-s3-neo/development/rom-galaxy-s3-neo-stock-firmware-t2975102

Best is cm11 with sev3n kernel. 6h of screen good camera(cm12 is a joke), radio and everything. No bugs no lags and finally a decent phone. If you want lollipop flavour install cm11 ideal theme from store. It looks the same. After trying almost everything it,s my choice.

beatbik said:
Best is cm11 with sev3n kernel. 6h of screen good camera(cm12 is a joke), radio and everything. No bugs no lags and finally a decent phone. If you want lollipop flavour install cm11 ideal theme from store. It looks the same. After trying almost everything it,s my choice.
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Offline chaning work? Battery idle 7 day work? Thank you.
(SORRY BAD MY ENGLISH 50%)

Yes offline charging works and in cm12 also works. Only cm12.1 has that bug. Try kang cm 12.1 after flashing perharps 10 roms is now my favourite . Well i miss cm11 Camera but you can't have everything, i'm a little tired of KitKat and since yesterday we hace a good lollipop ROM with a good tweaked kernel and almost free of bugs.

I am using stock firmware 4.4.2 with xposed and some modifications. It is good and now i am going to try any custom kernel. For me, custom roms are useless especially those CM based.

Going Back to Lollipop - Any Recommendations ?

Hey guys,
after trying many marshmallow and nougat roms and kernal combinations I think I may go back to a Lollipop rom. I just have not found anything that gives me a well rounded experience (gps, bluetooth and decent battery life are the deal breakers for me). Yes I know I could go back to stock and root and debloat but I just don't like touchwiz.
What rom/kernal combinations would you all recommend for Lollipop ? Would this be a wise choice security wise ?
Also, I would even go as far back to KitKat if there weren't the security issues. KitKat had some of the most stable roms I've ever used, especially on my old note 2 lol I miss using that thing sometimes.
Any help would be much appreciated !
Thanks!

I guess no recommendations ?
Anyway, I ended up trying Temasek Unofficial 12.1 again, Team Exodus's rom and ulimately settling for the last Official CM12 Nightly (20161016). I tried all 3 of these with the latest Idle Kernal
Temasek seem's to work for a lot of people but I always end up with a lot of issues with it especially in battery.
The Team Exodus rom was very promising and I wish they had of not stopped working on it. Bluetooth, GPS etc. working flawlessly. But battery life just wasn't good.
CM12 has been great. I have not had a hitch with it and everything seems to be working and I'm getting excellent battery life.

The most stable ROM for the phone will be a stock ROM. You can easily root a stock ROM to remove bloatware too.

rich6619 said:
I guess no recommendations ?
Anyway, I ended up trying Temasek Unofficial 12.1 again, Team Exodus's rom and ulimately settling for the last Official CM12 Nightly (20161016). I tried all 3 of these with the latest Idle Kernal
Temasek seem's to work for a lot of people but I always end up with a lot of issues with it especially in battery.
The Team Exodus rom was very promising and I wish they had of not stopped working on it. Bluetooth, GPS etc. working flawlessly. But battery life just wasn't good.
CM12 has been great. I have not had a hitch with it and everything seems to be working and I'm getting excellent battery life.
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If you want to go back to lollipop, then I recommend you few things:
Touchwiz Based Lollipop ROMs:
1)Aryamod Lollipop ROM
CM Based Lollipop ROM:
Slimlp 0.14. Best AOSP ROM I had ever tried so far.