Develop Bugs

Most Power Saving Radio Rom?

Can anyone please recommend some REALLY power saving Radio rom?
I'm currently using 1.54.30

I like 1.54.07.00. Its a good compromis between power and battery drain.
I think 1.47 was the version with the lowest battery drain for me yet...

1.47.00.10 seems to do the job for me.. moderate usage of voice & data (UMTS 2100)..

thank you so much for responding... i will try 1.54.07...

yes, 1.47 is the best radio I also have used.

i'm trying 1.54.07...using it now...will see how is the battery drainage...
what is so good about 1.47 anyway? just to compare...

2 cents on this topic - the observation of battery drain is somewhat subjective. I'd suggest someone do an extended test where the phone has a current drain logging program and track drain for each phone mode - data connection - transfer / phone use / idle and do a statistical comparison.
With a lack of good data? I'd think that the latest rev would have changes for some reason - hopefully a good one.
I'm using the latest 1.54 without performance issues.

hi all
I am using 1.54.07.00 radio, I use to get call from my gf every night for straight 3 hours. All these time my wifi is also active. Most of the days I get 40-50% of battery after I finish the call. So I think it is pretty impressive, isnt it?
Cheers
Jish

I'm working on a way to evaluate this.. I agree with mattk_r that it will probably vary drastically by region, usage, configuration, network, etc. But at least for my case, wi-fi is almost always off and my phone is in 'sleep'/'suspend' with Flexmail email running an IDLE (PUSH) IMAP email session in the background. Just a note, the way this works, the phone still gets to sleep and anytime a packet/data is received over the GPRS/3G connection the phone is woken up in unattended mode (no backlight) so that the maill app can process the message and notification then the phone returns to sleep state. So my goal is to pseudo-scientifically figure out which radio works best for my use.
To figure that out I have written a pair of programs that simulate the IMAP IDLE connection of an email client. (Why not use the real thing? I want the experiment to be the same everytime I run it, I can't guarantee that with email and software that I don't know the intricacies of.) One half runs on the phone to simulate the phone email client, and one half runs on a server that sends periodic messages to the phone to wake it up. When the phone is waken up it sends its current estimate of the battery life remaining (as reported by Windows API) to the server for logging.
In order to run my tests, everynight I have/plan to do the following procedure.
Flash a new radio to the phone for test
Charge the battery fully
Soft-Reset phone
Run my program
And then in the morning I dump the server log and generate a nice pretty graph of battery remaining v. hours on. This has obvious deficiencies such as
The phone never actually moves, it is on my nightstand so this won't simulate an active day where the radio is having to select the best tower.
When I wake up my battery is not dead, so I am not able to measure time from total charge to total discharge.
Even with these deficiencies and possibly more, I believe that this will give a decent benchmark as to which radios perform better than others. (in terms of battery life) So far I have conducted this for 2 nights and 2 radios, both running in 2G mode. The next two nights I will probably re-run the tests for 3G enabled just to see if that causes a significant change in the result.
So see this pretty graph to see what's happened so far... I'll post updates as I progress.
Oh yeah, I'm on ATT/Cingular Network in USA/TX.
Results in summary:
So far, I have tested radios 1.47.30.10 and 1.54.30.10 and gotten practically identical results for battery life. In my day of use for each radio, I have not noticed any call quality issues with either radio.
Other techniques: ?
There probably are other techniques to accomplish this, such as a program that measures battery discharge current. My gut feeling is to not trust these for this analysis because those programs typically have a low sampling rate and I don't know where they get there information and if that is a reliable source. And the other problem, I haven't found any such programs that can do it when the phone decides to go into the sleep mode and radio is having to maintain an idle but yet present connection to the cellular network.
Feedback anyone? Ideas?

dear experts, i've flashed 1.54.07 radio rom, but i soon discovered that i've lost my HSDPA connection to network. now i can only have 3G connection. Even though i tried to enable HSDPA in Schap's Config...but still no result...
Help please...or please suggest which radio rom which has got HSDPA enabled...
p/s: i think 1.54.07 is power consumption friendly becoz it has disable HSDPA connection...
what do u guys think?

HSDPA is enabled in that rom. Been using it with pandora naked rom with no issues whatsoever.

that's weird...hmmm....I'm using Schap's 3.57a ROM...previously have HSDPA b4 i upgrade to this rom...

mattk_r said:
2 cents on this topic - the observation of battery drain is somewhat subjective. I'd suggest someone do an extended test where the phone has a current drain logging program and track drain for each phone mode - data connection - transfer / phone use / idle and do a statistical comparison.
With a lack of good data? I'd think that the latest rev would have changes for some reason - hopefully a good one.
I'm using the latest 1.54 without performance issues.
Click to expand...
Click to collapse
INDEED !!!
I was go with 1.54.30... then I have a trouble to find "3G" (somethimes it was hard to find "E") then I switch back to 1.50.00... and everything is ok (I mean from the same place I live, I found "3G" successfully). The battery drain should be have relation with the connection and that's vary in other country IMHO

Still on 1.43 and seem to be doing just fine with battery life. Maybe I will try the 1.47

Switch to 1.50.00....HSDPA returns...
So i can presume that 1.54.07 has got no HSDPA enabled for power saving...
What say experts?

New user - what to do first !!

About to get my desire this week, what are the first things i should be doing. ?
How do I ensure I'll get the best from the battery ?
Any apps I should get ?
Thanks

3G drains my battery, so i keep it off and turn off all the background sync stuff.
i stopped using the friendstream quite quickly and just got a decent twitter app and use the web for facebook.
apps - whatever you want!!

read this first http://member.america.htc.com/download/web_materials/QSG/HTC_Desire/100322_Desire_HTC_WWE_QSG.pdf
here is one of the many many lists of good apps http://nimbu.amorvi.com/2010/02/top-50-apps-for-android-1-5-cupcake/
(scanning the black boxes with the app barcode scanner will take you to the market to dl the app in question)
Here are a few of my bookmarks.. might be something there you can use
[apps listing] http://www.cyrket.com/m/android/
[apps listing] http://www.androlib.com/
[apps listing] http://www.androidapps.com/
[apps listing] http://www.appbrain.com/
[video info] http://www.androidcentral.com/android-and-videos-how-get-started
[info site] http://nimbu.amorvi.com/

albert_htc said:
About to get my desire this week, what are the first things i should be doing. ?
How do I ensure I'll get the best from the battery ?
Any apps I should get ?
Thanks
Click to expand...
Click to collapse
ROOT your phone and:
- get SetCPU app to throttle your CPU when screen is off or battery is low,
- downgrade radio if you will have a never version,
- use UnderVolted (UV) kernels (coming soon), that will decrease CPU power consumption and in many cases can add about 10% speed,
- use y5 battery saver app
OR
- set up locale + plugins to turn off some things (I turn off sync and wireless networks during night, when at home)

My battery is fine with 3g on, in fact I read somewhere that gprs can sometimes consume more battery since its 100 times slower at data connection than 3g/HSDPA etc..
I just turn off wifi & synch when I leave my home and do manual refresh's if I need to, at home it is always connected by USB to my computer, but I will get a dock for it at some point.

3g mostly sucks battery when it has a hard time staying connected. It's the constant scanning and reconnecting that kills the battery. I would say root it as soon as you get it. I haven't rooted mine and its fine. Apparently there are still some issues with rooting the Desire too. It would be nice to have an overclock/underclock utility though.
-------------------------------------
Sent from my HTC Desire

Thanks for the posts.
I don't plan on rooting it yet !!
Not if 2.2 is due soon(ish)
I take a look at the links provided and let you know how I get on

maps and other apps keep launching in the background?!

Im puzzled why maps and other apps keep autostarting in the background?
and eat battery... maps alone can eat up to 10% of my battery in the duration of a day, even if I dont use it...

kurgandk said:
Im puzzled why maps and other apps keep autostarting in the background?
and eat battery... maps alone can eat up to 10% of my battery in the duration of a day, even if I dont use it...
Click to expand...
Click to collapse
Get a task killer app and set it to always kill maps, and set a schedule for pruning (like every 30 mins). It's not supposed to start by itself. If you haven't rooted/flashed a custom ROM on it, call HTC. If you have, unroot and go back to stock for a day and see if the problem persists. If it doesn't, it's the ROM's fault.

its not rooted, so if I understand you correctly its a bug?

kurgandk said:
its not rooted, so if I understand you correctly its a bug?
Click to expand...
Click to collapse
Either a software bug or an application issue. Have you reset to factory settings (full wipe)?

no not yet..

how much does a 'full wipe' .... 'wipe'?

kurgandk said:
how much does a 'full wipe' .... 'wipe'?
Click to expand...
Click to collapse
I'm sorry, but that is hilarious.

kurgandk said:
how much does a 'full wipe' .... 'wipe'?
Click to expand...
Click to collapse
About as much as 2 packs of Kleenex.
Okay, serious answer. All data on the phone, but not SD card too (on the off chance that something goes wrong, just copy/paste everything on your SD card to your PC, so you can restore)

heh heh
my point being.. I keep the 'backed up' settings and info on the sd? or is it completely blank?
also I need to apply firmware upgrades again?

kurgandk said:
heh heh
my point being.. I keep the 'backed up' settings and info on the sd? or is it completely blank?
also I need to apply firmware upgrades again?
Click to expand...
Click to collapse
Don't think it touches software version, but it might. I suggest you backup either with MyBackup (30 day free trial) or TitaniumBackup first.

i have the same issue, everytime i check my task manager i see apps like maps launched even though i never use them, sucks more battery for no reason, i hope froyo sheds some light

Please check one of the many battery/task manager threads. Cached applications don't use anything if they aren't somehow active. Also you could have lots of applications open at startup which must initialize something or cache themselves.
I also have maps and many other launched at startup, and my battery life is more than good.

well its claimed that they dont use any ressources.... but the reality is that something like maps eat 10% of my battery in the course of a day even if i dont use it...
if i regularely kill off unused tasks I have plenty of battery for a whole day including wifi
but if I dont Im down to the wire..
apps like maps, gallery etc. alll runs on bootup, and maps at least restarts every ... minutes..

got a response from HTC:
Dear Mr Jacobsen, Thanks for contacting HTC Support. Regarding your question, the applications will run automatically in the background as you pointed out. And yes, they will affect the longevity of the battery. Phones operating on the android platform or the Windows Mobile platform will need to be recharged on a more regular basis than other mobile phones. “Heavy” users might need to recharge their phone as often as every 24 hours, and this applies to every brand (Nokia, Sony...)out there. That aside, I do share your frustrations regarding the energy applications waste. If you go on to the Marketplace (market) and search for the application task killer, you should find an application enabling you to close down applications you do not need on a regular basis. Yours Sincerely ****** HTC Support
To send a reply to this message or let me know I have successfully answered your question log in to our ContactUs site using your email address and your ticket number *******.
Sincerely,
***
HTC

Task killers, full wipes, uninstallation...
...People could you calm down?
OP, could you check you don't have Latitude enabled in your Maps app? I found this too and it was because I set Maps to report my location. If it's not thats a good start. Now go to your settings and select Location. If you want turn off the use of wireless for location acquiring.
Ensure you're not using any widgets that need mapping data, or the Maps live wallpaper (that's a REAL juice hog)
You'll find a service running called FriendsAppWidget or such. Not sure what it does, but it's the only Map service I know that runs as long as the phone is on. You can kill it if you want, but I'm getting about 16 hrs use with it running all this time and no task killers.
[EDIT]
From some searching is seems quite a few 3rd party apps plug into this service. Foursquare, Buzz, Twitter etc... Also , run maps and turn off any location aware features you may have enabled in the Labs section.
Basically seek out any apps you use that are dependant on getting your location to work. Even your weather widget might be the culprit.

Menu > Add > Shortcuts > Settings > Battery Use. Charge it to full, use it til it's running out of battery, then open Battery Use and tell us if there are any apps that you didn't open once (like maps) that use, say, 10% of your battery.
Sounds to me like they're just background services (which consume 0 resources)

well maps for sure, it seems its the single most powersucking app...
when Im down to orange/red on the battery from full charge its rated at 7-10%

kurgandk said:
well maps for sure, it seems its the single most powersucking app...
when Im down to orange/red on the battery from full charge its rated at 7-10%
Click to expand...
Click to collapse
Are you using Foursquare/Facebook/Twitter/geotagging photos & snapping a lot of them/etc? All of those use Maps, to a certain extent. If not, and you're on a stock ROM, call HTC and *****.

I do use geotagging and some facebook, but that ... in my opinion does not excuse maps not quitting after its done what it has to do...

Please Help my battery, its dying in front of me

Ok, Let me first say, This website and the people on it have helped me and others so many times. It's a great website with many talented people. However, I know nobody has to help anyone on here, but please listen to this and only help or post something if you have a fix or are having the same problem.
I don't want to sound rude, but I made a thread a while ago and got 9 pages of people saying that "my battery is fine" or people telling me stuff I already know, so PLEASE PLEASE PLEASE only post if you can help fix the problem or are in the same boat so we can try and get a fix.
Please don't put in the thread " My battery is fine" or "Do a hard reset" even though it seems that is the only way to fix it, I am going to reinstall all of my apps, and its most likely going to happen again.
Background information
I am rooted and running CM6, but have had this problem with the stock ROM, and many other ROMS, doing a hard reset has not helped me in the past, because after restoring my apps, and settings it seems to come back again. I am going to give you as much information as possible to help me with my battery, because I am sure I am not the only one with this problem.
My device
I am rooted and running CM6 and I absolutely love it, it is hands down the best ROM I have used, but I took my phone off the charger, send one text message, loaded up 3 web pages, and refreshed my email, and the battery percentage was down to 93% in 4 minutes of use my battery went down 7%!!!!!!!
I have had this battery drain issue with CM6, Fresh ROM, stock (rooted) rom, and Non-Rooted Stock.
Homescreen
Currently I am using LauncherPro, but ADW.launcher comes with the ROM, and I have had the same problem with that. Here is my setup to show that I am not using any data intensive widgets.
Home screen: besides all of my app icons, I am going to list all of my widgets.
1. Digital Clock Widget-It is a widget that works without an application, but their is an optional application that I don't have installed.
2. Stock android calender widget
3. Stock android 2x2 music widget
4. Beautiful widgets- silent and airplane mode toggle
5. Stock android power control
My settings
Stock email application- updates manually, so no autosyncing
News and weather- I have it set to manual.
Wireless and networks
wifi-off
bluetooth-off
tethering and portable hotspot-off
NO VPN
Mobile network-Data enabled is checked Data roaming is checked
call settings
voicemail service- my carrier
Display
Auto brightness, auto rotate screen, all windows and animations are shown, screen timeout 30 seconds
location
Use wireless networks
Accounts and Sync
background data is checked
auto sync is checked
My only account is GMAIL
About Phone>Battery Use
Android system-37%
Cell standby-34% (time on 30m 40s, Time without a signal 40%)??
Phone idle-17%
Display-17%
About phone
Android version 2.2
Baseband- 2.05.00.06.10
Kernel Version 2.6.29.6 cyanogenmod [email protected] #1
Mod version- CyanogenMod-6-08082010-NIGHTLY-N1
Build number- FRF91
****I am not overclocked****
Installed Apps from market
Cache Cleaner
Smart Keyboarrd Pro
Paper toss
Motris (full)
Android system Info
Dotty
titanium Backup
Launcher Pro
Advanced task killer (I never use it, its only installed so I can kill one app when it is not working)
Akari
Beautiful Widgets
Facebook for android
Amazon
SoundHound
Qik for HTC EVO 4G
Google maps (version 4.4.0) I have heard that it keeps phones awake but I don't know how to tell if it really does
Flash Player 10.1 BETA
Carrom3D Demo
Shazam
AK Notepad
Speedtest.net Speed Test
FMyLife FML Official
Voice Recorder
IUBloomington Building Locator
Movies-Flixster
XDA developers
Bartender
Zedge Ringtones and wallpapers
Google Voice
Opera mini browser
Pass Phrase
Fox News
Urban dictionary
Live scores
Astro File manager
Dictionary.com
The weather Channel
Digital clock widget
Picsay Pro
Keeper-Password
Status notes
Please if anyone can help fix this I would greatly appreciate it, It may seem that the only fix is the hard reset, but their has got to be some app, or setting that is keeping my phone on or killing the battery, if anyone has found that one of these apps or settings had killed their battery, please share, and we can fix our problem.
Thanks
P.S. My battery was at 93% at the beggining of this post, and the screen was on for about 6 minutes total so I can list all of the apps and settings and its npw at 85%

install setcpu,underclock the processor, have it @ 245mhz when screen is off

make sure you are signed out of google talk and go in to settings to uncheck auto sign in since doing that its taking a load off my battery .
also underclocking when screen is off helps alot use wifi when you can or just turn off the data to save loads of battery juice
also are you running the RC1 or a nightly ?
newest nightly is doing very well on the battery hit 19 hours so far with 18% juice left

Your time without signal is 40%, so you are going to get the battery drained.
TWS is your problem and that will not change on any rom.
Now, your PRI is going to be locked in because you are rooted. So maybe a new PRI (no way to update now that you are rooted we are stuck) could possibly help with TWS.
Another thing I know I mentioned in the other post. Do a fresh install and don't install any apps. Just use the phone. If that makes a difference, than it is an app causing your problem.
Eliminate all possibilities until you have a solution.

Bielinsk said:
Your time without signal is 40%, so you are going to get the battery drained.
TWS is your problem and that will not change on any rom.
Now, your PRI is going to be locked in because you are rooted. So maybe a new PRI (no way to update now that you are rooted we are stuck) could possibly help with TWS.
Click to expand...
Click to collapse
yea just read that TWS is kill a battery quick !
kill the data when your in a building or areas that will make the data work harder
ALSO is any of the apps your running from a 2.1 backup ? if so that could be it too i had major battery troubles with my 2.1 back ups on 2.2

Go to running processes under settings>applications, see how many are running...if you have more than 5 running processes at a time.
.your battery will suffer. Use startup auditor to prevent apps processes not in use from starting on boot

you may want to check that your default PRL is set for cdma and not gsm.
there is a post in the dev forum about it.
you will need your MSL number, get it from sprint customer service or use cdma workshop trial. I've used both, I recommend calling sprint its fast and free.

TeknoJnky said:
you may want to check that your default PRL is set for cdma and not gsm.
there is a post in the dev forum about it.
you will need your MSL number, get it from sprint customer service or use cdma workshop trial. I've used both, I recommend calling sprint its fast and free.
Click to expand...
Click to collapse
i have my msl can you link that info please

The PRL shouldn't be an issue with the Evo. That was some type of hero 1.6 bug.
Also, I don't think the data codes work with Froyo.
You can try to download the "Network" app from the market and see if that works.

I was having a battery drain issue ever since 2.2
I think I have it fixed now though. First up. Did you wipe everything in between ROMS? I know this is redundant. But it is important, many custom ROMS have several cache, memory writing and reading tweaks applied and if the phone needs a fresh start from every angle to really utilize it all.
Honestly, the "drops to 93% without barely doing anything!!" Sounds perfect in line. As soon as the phone is done charging it will start using the battery again UNTIL it drops to 90% and then it will charge it up again. All the while saying "fully charged" I've read that on several threads. And after the initial 10% it should stabilize. If it doesn't after that, then there is a problem. You said you where 40% without signal? That seems high.
There is a thread about how these, and most other Android based phones on CDMA mobile providers have a bug that default to GSM searching, so while its looking for a signal. Its primarily looking for a GSM tower, and secondarily a CDMA. In the phone dialer, type *#*#4323#*#* (I think, please correct be someone if this isn't it) in there, scroll down and you'll see a drop down menu and it will say CDMA (auto) which is the bug. Press menu, then press "Select Radio Band" it'll FC which is normal. Noe look at the drop down menu. It will say GSM (auto). Change this back to CDMA (auto) and exit.
I know by doing this when I first got my phone that my battery life, while the phone is asleep, where way better!!
UPDATE: ignore most of that, sorry. Forgot you said you where on CM6 which is froyo, you'll need to use CDMA workshop to fix that as the code no longer works.
Hope that at least helped you out. I know the pain of fast battery drainage recently. Right now, after moderate usage and 4hrs off the charger I'm at 75%. that is with 4G on with weak signal. Some texting, and web surfing. And Taptalk this whole post. Lol.
...in 1943, I killed a drifter.

mjz147 said:
P.S. My battery was at 93% at the beggining of this post, and the screen was on for about 6 minutes total so I can list all of the apps and settings and its npw at 85%
Click to expand...
Click to collapse
All that previous advice about data usage, tws, or anything related to battery drain while the phone is idle with the screen off is bologna.
Lower the brightness of the screen by about one half of automatic brightness and underclock the cpu to about 245-507.
The phone will still be very usable, while the battery drain while actively using the phone should about half.

Sporkman said:
yea just read that TWS is kill a battery quick !
kill the data when your in a building or areas that will make the data work harder
ALSO is any of the apps your running from a 2.1 backup ? if so that could be it too i had major battery troubles with my 2.1 back ups on 2.2
Click to expand...
Click to collapse
Thanks everyone so much, I will try all of these things.
By "kill the data" What do you mean?
When I was using a ROM with Sense installed their was a setting called enable always on mobile data, which basically allowed you to turn 3G and 2G off, when the phone was not on, however I can't find anything like that with this ROM.
So if you could elaborate on how to kill the data apps, that would be great, it sounds like that might be it.
And no when I first flashed CM6 it was the first 2.2 ROM, so I got all of my apps from the market, I didn't restore them from 2.1
And to the person asking if I am running the nightly or RC1, haha I don't know the difference.
I cleared all of my data, and was running a rooted stock rom, then flashed the CM6 "latest ROM" from the ROM page on 7-28, then on 8-7 their was a nightly that was 8-08 and I installed that. The mod version I have in settings is NIGHTLY-N1

http://forum.xda-developers.com/showpost.php?p=6780201&postcount=6

When I typed in *#*#4323#*#* in the dialer, after pushing the last * the (*#*#4323#*#*) that I had just put in would disappear and not take me to the menu, although I do know what your talking about. Can someone confirm if this is the correct code?

Edit, thanks to person above me
its Dial *#*#4636#*#*
when I did that and go to Phone info, and scroll down to set preferred network type it was on CDMA auto (PRL)
However under the IMEI, phone number, current network, is says network type CDMA EvDo rev. A
and 2 lines above that says GSM service: In service
Than on the bottom is says GSM Disconnects: ======DATA======
state: DcActice State connected at 3:11 AM and elapsed 14:12:24 and then is gives me an address, gateway, and DNS code.

This may sounds stupid, but should that be changed to CDMA only, maybe the PRL auto setting is still looking for a GSM network, because it says GSM: in service.
Thats proly not it, just wondering?

**Bahleetd**
...in 1943, I killed a drifter.

snandlal said:
Go to running processes under settings>applications, see how many are running...if you have more than 5 running processes at a time.
.your battery will suffer. Use startup auditor to prevent apps processes not in use from starting on boot
Click to expand...
Click to collapse
running services
Digital clock widget-update service
astro-copy service
voicemail CM-Service
Android system-VPN service binder
Calenderstorage
google services framework
NEws and weather-genie refresh service
smart keyboard pro
Digital clock widget-update service
astro-copy service
voicemail CM-Service
it sounds like these 3 don't even need to be running, I can go without the digital clock widget, who know, maybe thats trying to update or somethin, astro is a file manager, Ill switch to another file manager, and voicemail
THATS from the 2.1 ROM !! maybe thats what it is, Because even though I don't have a voicemail every hour I will get a notification saying new voicemail dial *86 and when I would do that It says virgin mobile or somethin and doesn't let me listen.
I am gonna delete astro, digital clock, and the 2.1 voicemail, and reinstall the 2.2 sprint voicemail.apk and report back.

acrh2 said:
All that previous advice about data usage, tws, or anything related to battery drain while the phone is idle with the screen off is bologna.
Lower the brightness of the screen by about one half of automatic brightness and underclock the cpu to about 245-507.
The phone will still be very usable, while the battery drain while actively using the phone should about half.
Click to expand...
Click to collapse
bologna my ass
everything i listed has improved my battery life ! i DO agree with the screen brightness thou
"kill the data"
i mean hold the power button down till you get the popup and turn off mobile data

http://forum.xda-developers.com/showthread.php?t=704272
interesting....

Tips to Avoid Battery Drain!

Hi fellas i recently been testing a few roms and of course everyone out here is complaining about the battery life, almost the 45% of the user have a bad experience with it. and i saw that we were a little bit lost about how to preserve our battery and this below was something that i have test and other people has test and its work for all of them so now im sharing with you this with the community, i have collect some of this solution around some places and now they are here all in one place. hope you like it.
(this can work with any Phone with a rom based on android 4.4+ or lollipop and Remember to check your battery and how much mA has your battery.)
Here we go....
Well i have a I9190 and i been working on the battery life with this phone for almost one year since i bought it, look the first you need to know (and sadly is the worst thing about this phone) is the battery, for some reason the battery gets hot when you play or use Facebook over 3G networks and even when you are not using it, it might for the processor remember our cellphone have a powerful processor dual core 1.7 ghz and it will run ass hell.
From what i have done to get a better battery life with this phone (i love this phone for that reason i still have it), you can try this.
1. Use Greenfy ITS THE ONLY APP IN THE PLAY STORE WHO REALLY DO SOMETHING WITH THE BATTERY LIFE WHY? is hibernate these apps like Facebook and other who runs in background eating your battery, (do not greenfy whatsapp or messegner you may not receive messages, but its work very good for me!
2. the next thing ( as i mention before the mess with 3G network) try to use 2G network you will see a remarkable battery save.
3. you can try a processor manager to control the processor and set it up to run at 1.4 GHz or 1.3 GHz and in that way your processor will not use more power from battery(remember you could experience some lags few times).
4. if you are using this rom Lollipop Rom Port use the power saving mode and disable the CPU Performance to get a better results!
5. Sync Options are pretty good but the sync option its running 24/7 so its mean your cellphone will be transferring data all day, you can turn it off but... if you will have to enable it to sync your contacts info and phone number that your recently save(you can lose data like number is this feature is off and you do not sync your stuff manually, and emails will not reach you till you check the app or turn on the sync option)
6. Wifi, for me wifi is a battery saver, why? i have test my phone over a wifi network all day and i get 19-22 hours that is pretty a lot, so wifi can help you to have better battery life at work or a place where you can get a wifi network.
for me the most comun problem could be the sync option, but as i said before there some things to think about it before turn it off.
if you have any question about my results and research about how to get a better battery results PM or skype!
See ya!

That is some good piece of information for the newbies :]

ThuGzta said:
That is some good piece of information for the newbies :]
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yeah mate, share it if you want