[Q] LTE Off ICS Leak - AT&T Samsung Galaxy S II Skyrocket SGH-I727

Anyone figure out a way to disable the lte radio on the new ics leak? Its murdering my battery :/

same here, when i was on 2.3.5/2.3.6 i was easily getting 12 hours on sky-ics, now im am lucky if i get 7 hours. i thought ics was sopposed to improve battery life..

Are you all sure that it is because of LTE? I noticed similar battery drain and I think it is because of overall poor connectability. When the phone doesn't have a connection (constantly searching for one) or it has has a weak signal it will drain the crap out of the battery and it doesn't matter if its LTE, 4G, Edge, Wifi, etc. Just a thought. I think the baseband in the ICS leak is a throwback to the pre-UCLA3 modems.

u need to give the rom at least 3 charge cycles for it to configure the battery. U can't really judge performance before then

Related

best radio for duttys v3?-little talk lot of drain

hey guys Ive tried .10 and it seemed to suck the battery down from a full charge in the morning by that night it would be dead and i don't talk on it a whole lot any, suggestions?
jstuart83 said:
hey guys Ive tried .10 and it seemed to suck the battery down from a full charge in the morning by that night it would be dead and i don't talk on it a whole lot any, suggestions?
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Click to collapse
did u try turn off the 3G (if u not using it)?
In the chicagoland area i'm using 11.31 and I see a difference in battery life due to the fact that is stays 3G more consistently than before...
strikeIII said:
In the chicagoland area i'm using 11.31 and I see a difference in battery life due to the fact that is stays 3G more consistently than before...
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Click to collapse
Based on your comment about 3G, I am assuming you mean the battery life is shorter. Am I right?
I'm in Florida and use 11.31 and use hsdpa and 3g all day. By the end of the day my battery is at 65%. Now if I use GPS it can suck the battery down real quick.
In my opinion so far 1.27.12.17 is best for battery saving with good 3G reception, but 1.27.12.32 is best for 3G and in weak signal areas.
It's indicated by several posts in the big Dutty V2/V3-thread that some experience heavy/extreme battery drain, regardless of radio-ROM used, so which radio you use might not be the only explanation to this. It doesn't necessarily have to do with installed software and/or push-mail etc either.
In my case I have tested .12.10, .11, .17 and .32 as well as .11.31 as well as reflashes, hardresets and whatnot and no luck with any of them. I experience significally worse battery life than just a few ROMs ago. This is 2G/EDGE-mode. 3G I don't even want to talk about
/Mac
thanks for the info
after reading what has been said i believe it may jsust be the rom. Dont get me wrong i love it but i have tried the .17 and the .10 and haven't noticed much of a change. Thanks for everybodys input

bad battery life??

I switched from a highly modified DroidX (which I still own) to a new Charge recently (which I absolutely love).
The X had GB flashed with Liberty ROM and the battery life was really exceptional. It did increase when I swapped from froyo to GB, but I don't really remember how much. Using the VZ extended battery (the small one that fits into a stock case) I easily got a full days use out of it with GPS always running, weather updating every 30 minutes, gmail running push and Bluetooth on quite a bit. I can't remember ever once having to swap out the battery before I got home from a day at work.
With the Charge, on the very first boot (before it was even activated), I opened it in odin and flashed to gummycharged 191. The thing runs totally awesome, fast and fluid as hell-completely lag free and has never frozen up once. It blows away the X in every way except battery life.
Today, I started on a mugen 1800 battery and ran that until it had 2% charge left. That took about 4 hours running EXACTLY THE SAME apps that I always ran in the X. I then stuck in an aftermarket 1800 battery and ran that one until it was totally dead also before I left work.
Other than the battery life, I am 100% totally happy with the swap from the X to the Charge. I have three extra batteries and an external charger for the Charge, so having to swap batteries etc is not the end of the world, but I am wondering how much better the battery life would be if I swapped to a GB ROM at this point??
I am open to any/all suggestions at this point......
~John
to add to this, I am running LPP+ launcher with the identical screen/widget setup as I was running in the X.
~John
There's three things you need to be aware of for battery life for this phone:
1. Your kernel - This affects your battery, not the ROM.
2. The screen - The screen is awesome on this phone, but unfortunately it is a battery killer, this can be solved by turning off auto brightness or downloading the Screen Filter app. The screen is also the main draw for the battery in terms of drain.
3. The 4G LTE Radio - this is the largest difference between your last phone and this. If you live in an area where your LTE is spotty, I suggest turning off your LTE and leave it at 3G CDMA. An easy way to get to the toggle is to download the LTE Switch from the Android market. The reason the LTE destroys the battery is due to the fact that your phone is constantly searching for an LTE signal, thus draining the battery faster than a non-4G phone would. If you're in a strong LTE area, it shouldn't affect it much, but turning off LTE does help the battery in most cases. The LTE radio is the second main draw of battery power.
Finally, be sure to remember to wipe your battery stats after flashing the new ROM and fully charging your phone to 100%. Hope all this helped!
EDIT: Also be wary when flashing to one of the Gingerbread leaks. People have been getting mixed signals in terms of battery life, since the leaks aren't exactly stable. I tried out GB for awhile, but wasn't too fond of the instability that Froyo still offered, so I flashed back after a week.
I turned off the auto brightness setting immediately. I run it on 25% most of the time, i only turn it up when I'm outside.
I have been thinking about trying a few different kernels to see what difference that makes, any recommendations as to which one might be best?
I did calibrate the battery after flashing the ROM.
I do have the 4g switch (and I'm in a 4g area) but I haven't tried running for a day in 3G. I think I will try that tomorrow and see what difference it makes.
~John
jmorton10 said:
I turned off the auto brightness setting immediately. I run it on 25% most of the time, i only turn it up when I'm outside.
I have been thinking about trying a few different kernels to see what difference that makes, any recommendations as to which one might be best?
I did calibrate the battery after flashing the ROM.
I do have the 4g switch (and I'm in a 4g area) but I haven't tried running for a day in 3G. I think I will try that tomorrow and see what difference it makes.
~John
Click to expand...
Click to collapse
Kernels–if you don't care about overclocking I recommend imnuts non–OTB kernel.
Sent from my Droid Charge running GummyCharged 2.0

LTE battery life?

Hey guys just wanted to know how does different network/radio affect the battery life? I am on rogers.. if I am on LTE I usually only get about 10hour or less on 3G I can go for more then 2 days...
There is no easy answer to this question. Battery life is often a function of network reception, which varies drastically by location. If you are seeing such a huge difference from being on LTE, its possible you are in a fringe LTE reception zone and the phone is constantly scanning and trying to connect to LTE and draining the battery. Flashing a different radio may help, but its not necessarily a silver bullet.
Battery life always varies quite a bit from person to person, even regardless of LTE. LTE adds another level of complication. I'm on LTE all day, and I can easily get 24 hours or more before needing to charge. I think some on here have mentioned getting 2 days on LTE.
I'm on LTE 24/7 and my phone makes it through days no prob. I do charge each night while sleeping, but that's to be expected IMo.
Using: HTC One X // Paranoid Android // Tapatalk

Battery

Hey not sure if im even putting this in the right thread but im very new to rom and kernel flashing etc
Im running CleanRom 5.0 and Beastmode 4.3 Kernel
My battery life right now is 30% after 8 hours...what am i doing wrong both the rom and kernel have allegedly good battery life...i recently flashed both like 2 days ago...am i supposed to let the kernel and rom calibrate etc before i freak out about the poor battery?
My screen is using abt 60%
voice 20%
standby 5
whats app 4% phone idle 4%...not sure what other info to provide but can anyone help me make modifications for better battery life
im using kernel tuner i tried governor: badass, wheatley, intellidemand..my screen brightness is veryy low i took it off auto because i felt it was sucking it even faster. I dont think im overclocking...random apps like youtube, facebook etc are running in the background is this a huge problem?
someone pls help!
thanks
What is your screen on time?
60% brightness isnt "low" by any means, I usually leave mine on 40%. You made a good choice to take the phone off auto brightness.
Personally I got really bad battery life with beastmode. I now run flar2's experimental 1.5 GHz kernel and couldn't be happier.
Radios also have a significant impact on battery life. The 2.29 radio + ril has worked best for me with battery life.
Sent from my HTC One X
Yeah you have to keep in mind how you're using your phone. If your screen is on for a lot of taht 8 hours, that's a decent run.
ECEXCURSION said:
What is your screen on time?
60% brightness isnt "low" by any means, I usually leave mine on 40%. You made a good choice to take the phone off auto brightness.
Click to expand...
Click to collapse
Think he means screen is using 60% on the battery usage stats, not screen brightness.
60% is fairly high. I think he just has the screen on a lot. Brightness may also be a factor. Only about 4-5 hours if screen-on time is to be expected on low brightness.
Sent from my HTC One XL using xda app-developers app
Battery life
Hey guys, I've recently bought a AT&T HTC One X. This is my first smartphone, and it is fully stocked, locked bootloader and no root, android 4.0.4 and software version 2.20.502.7, really like the phone. However, I am not really impressed with the battery life. I would usually charge it over night for around 8 hours, take it off in the morning at around 08:00, take it to school, casually check facebook/gmail, maybe watch one or two videos and by the time I get home at around 15:30, the battery would be at around 15%. I was wondering whether this is normal and if there is any point of my rooting the device and flashing any custom roms?
I have disabled all the AT&T bloatware, decreased my screen brightness to around 25%, no live wallpapers, disabled auto syncing, wifi and mobile data mobile switched on only when I use it, only have a weather/clock widget and a couple of games. So I have been researching about rooting and customer roms for about a month now, and found out that some members have amazing battery life times with Cleanroms and custom kernels, so I was wondering whether the latest 5.1 Cleanrom with a Beastmode kernel 4.4 would cause any damage to my phone and whether any of you guys are using it?
Thanks for your time!
ostimarko said:
Hey guys, I've recently bought a AT&T HTC One X. This is my first smartphone, and it is fully stocked, locked bootloader and no root, android 4.0.4 and software version 2.20.502.7, really like the phone. However, I am not really impressed with the battery life. I would usually charge it over night for around 8 hours, take it off in the morning at around 08:00, take it to school, casually check facebook/gmail, maybe watch one or two videos and by the time I get home at around 15:30, the battery would be at around 15%. I was wondering whether this is normal and if there is any point of my rooting the device and flashing any custom roms?
I have disabled all the AT&T bloatware, decreased my screen brightness to around 25%, no live wallpapers, disabled auto syncing, wifi and mobile data mobile switched on only when I use it, only have a weather/clock widget and a couple of games. So I have been researching about rooting and customer roms for about a month now, and found out that some members have amazing battery life times with Cleanroms and custom kernels, so I was wondering whether the latest 5.1 Cleanrom with a Beastmode kernel 4.4 would cause any damage to my phone and whether any of you guys are using it?
Thanks for your time!
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Click to collapse
Are you using LTE? I found that my battery would drain very quickly when set to use LTE, even if I'm on wifi. I guess the LTE towers were further away or something because my signal would drop really low. I leave my phone on 4g for the most part now, only switching to LTE when I really need it, and I can get two days of battery with light usage. I've only recently flashed CleanROM so I would expect it to get better, but it's too early to tell. I've only got 22 minutes of screen time, but my phone has been on for 9 hours and it's at 85%.
Valohtar said:
Are you using LTE? I found that my battery would drain very quickly when set to use LTE, even if I'm on wifi. I guess the LTE towers were further away or something because my signal would drop really low. I leave my phone on 4g for the most part now, only switching to LTE when I really need it, and I can get two days of battery with light usage. I've only recently flashed CleanROM so I would expect it to get better, but it's too early to tell. I've only got 22 minutes of screen time, but my phone has been on for 9 hours and it's at 85%.
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Click to collapse
Wow, that sounds good, even with that much screen time the standby is much better than on my device. Sorry I forgot to mention, I live in the UK and LTE or 4G is only available in major cities. However, my phone is AT&T and is sim-unlocked, and I get the '4G' mark on the top of the screen, therefore I think it might be the HSPA+ that is available in my area, which I rarely use anyway.
Is it the stock kernel that you have flashed with the rom?
Thanks.
Valohtar said:
Are you using LTE? I found that my battery would drain very quickly when set to use LTE, even if I'm on wifi. I guess the LTE towers were further away or something because my signal would drop really low. I leave my phone on 4g for the most part now, only switching to LTE when I really need it, and I can get two days of battery with light usage. I've only recently flashed CleanROM so I would expect it to get better, but it's too early to tell. I've only got 22 minutes of screen time, but my phone has been on for 9 hours and it's at 85%.
Click to expand...
Click to collapse
Same here. I'm in and out of LTE all day, so I just leave it on hsdpa unless I am in a solid area and tethering. Made a massive difference in my battery life.
Sent from my HTC One XL using xda app-developers app
ostimarko said:
Wow, that sounds good, even with that much screen time the standby is much better than on my device.
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Click to collapse
Just because that person got a particular battery life by toggling off LTE, don't assume that you will get the same results. Battery life often tends to be very reception and location specific.
I leave LTE on 24/7 (as well as WiFi, and brightness on 40%), and can get close to 48 hours on a charge with low usage.
Also, bear in mind that you can't toggle LTE off on AT&T stock ROMs.
ostimarko said:
However, my phone is AT&T and is sim-unlocked, and I get the '4G' mark on the top of the screen, therefore I think it might be the HSPA+ that is available in my area, which I rarely use anyway.
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Click to collapse
That's correct, on stock AT&T ROMs, the "4G" icon means HSPA+. If its on LTE, it will say "4G LTE".
My guess is that you are just having reception issues. Flashing ROMs and kernels may get you slight improvements in battery. But don't expect it to make a huge difference, or you will likely be disappointed. A different radio may also help.
redpoint73 said:
Just because that person got a particular battery life by toggling off LTE, don't assume that you will get the same results. Battery life often tends to be very reception and location specific.
I leave LTE on 24/7 (as well as WiFi, and brightness on 40%), and can get close to 48 hours on a charge with low usage.
Also, bear in mind that you can't toggle LTE off on AT&T stock ROMs.
That's correct, on stock AT&T ROMs, the "4G" icon means HSPA+. If its on LTE, it will say "4G LTE".
My guess is that you are just having reception issues. Flashing ROMs and kernels may get you slight improvements in battery. But don't expect it to make a huge difference, or you will likely be disappointed. A different radio may also help.
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Click to collapse
Thank you, I will have this in mind. I was wondering whether it was due to reception or was it just the batter malfunctioning. In your opinion, would it be better to wait for the Jelly Bean update and see whether the battery life improves?
Thanks.

Battery life with Jelly Bean very poor

I have to say there are lots of thing that went backwards in the Jelly Bean update, but battery life seems to be worst. With all location services off, all maps location repoting/history off, the idle drain in low cell signal areas is terrible. Way worse than ICS.
I don't see any abnormal processor usage or wake locks. I think this means the radio is to blame.
Damn am I tired of Samsung/Android updates adding new features but making some things worse. I tried to like Android and defend it. I can't do it anymore. It's sloppy and rushed. I hate it now.
I am running stock deodex BLK3 and have had no problems with battery drain. Actually I am getting better than I had on ICS.
Only things done to it are kinda crap mods and removing stock applications. I have GPS on about 50% of the day and hardly ever use wifi.
I'm on cleanrom 5.5.1 and battery life is very good I can easily make it through the day
Sent from my SCH-I535 using xda app-developers app
On on stock with Apex launcher. I'm a moderate user (browser, calls etc) and I get 24 hours and still at 30%+ Most of the time I'm on wifi as our building does not have great interior reception.
IP, download Carat app and see what is draining the battery. I assume you already used BetterBatteryStats and there were no wakelocks? Check if there are any apps that are refreshing at short intervals. The battery drain issue should not be that drastic. From my experience, I was completely stock ICS (bloat and all) until the JB update. Right now I am unlocked, rooted and debloated but still stock - and battery life is only slightly worse (VZW remote diagnostics were also disabled). If nothing else works, then wipe/ODIN to stock and see if things are different then.
Scrappy1 said:
I have to say there are lots of thing that went backwards in the Jelly Bean update, but battery life seems to be worst. With all location services off, all maps location repoting/history off, the idle drain in low cell signal areas is terrible. Way worse than ICS.
I don't see any abnormal processor usage or wake locks. I think this means the radio is to blame.
Damn am I tired of Samsung/Android updates adding new features but making some things worse. I tried to like Android and defend it. I can't do it anymore. It's sloppy and rushed. I hate it now.
Click to expand...
Click to collapse
Lol don't blame Android. Samsung is the one who puts so much stuff on top of android. If you want a stock android go buy a nexus.. Not a modified version of Android
Sent from my SCH-I535 using xda app-developers app
jager420 said:
Lol don't blame Android. Samsung is the one who puts so much stuff on top of android. If you want a stock android go buy a nexus.. Not a modified version of Android
Sent from my SCH-I535 using xda app-developers app
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Click to collapse
You are correct, most of my anger should be directed at Samsung. I'm very curious if Nexus devices are free from this eternal flakyness.
Slim Bean
Scrappy1 said:
I have to say there are lots of thing that went backwards in the Jelly Bean update, but battery life seems to be worst. With all location services off, all maps location repoting/history off, the idle drain in low cell signal areas is terrible. Way worse than ICS.
I don't see any abnormal processor usage or wake locks. I think this means the radio is to blame.
Damn am I tired of Samsung/Android updates adding new features but making some things worse. I tried to like Android and defend it. I can't do it anymore. It's sloppy and rushed. I hate it now.
Click to expand...
Click to collapse
I use slim bean and get very good battery life. I spend 8 hours at work with no reception and I will get 34 hours out of my phone if I dont put airplane on and 42 if I do.
Scrappy1 said:
You are correct, most of my anger should be directed at Samsung. I'm very curious if Nexus devices are free from this eternal flakyness.
Click to expand...
Click to collapse
I came from a galaxy nexus. The battery life was bad, really slow updates, and signal sucked (till jellybean)
I lost about 30m - 1hr of screen on time going to 4.1, but 4.2 seems to have it all worked out again. Hopefully Verizon allows us to have 4.2.
Sent from my SCH-I535 using Tapatalk 2
I've gotten better battery better signal faster GPS on clean Rom(jb)
Clean Romed&themed the [email protected]#out
I think each battery usage is different. Making your screen turn off quicker will save battery, turning off GPS will help too. I would like to know if WiFi or 4G:LTE uses more battery because with an unlimited data plan I can work with it a lot easier one way or the other.
Anybody done any research or have an inkling for one or the other?
Wi-Fi uses less power 4G uses more power, that's a fact.
Sent from using xda premium
I had terrible batt life after updating to JB. On ICS i would get 1% loss each hour when idle, right after the update it was more like 10% each hour. I ended up reading thru tons of posts not only for sgs3 but other phones updating to JB and having batt problems. So i factory reset and formated the sd card then put my files back on it. Then i finally found a post where it was stated that if you have a lot of media either on phone or sd the system will have to index each file, for thumbnails, quicker pinch zoom in gallery etc. That kept my phone awake and killing the battery for a good 12+ hours after the update. Today it finally ended. I am now 24 hours off the charger with 89% batt remaining, making it about .4% discharge per hour. I know this wont solve everyone's problems with the battery drain but maybe it will help some. GL!
I see a big difference for me with the battery between ICS and Jellybean rom. I was on Bean's custom stock build 15 originally and with medium - med heavy use, I see about 15-20% remaining battery after 10+ hours of use. With the new Bean's jelly rom b7, I need to charge before 10 hours with the type of same usage. This morning, I saw a 12% drain in 20 minutes for checking facebook/instagram and some email.
Hulk0069 said:
Wi-Fi uses less power 4G uses more power, that's a fact.
Click to expand...
Click to collapse
That's not true. If you have good LTE coverage it uses less power than WiFi. I have confirmed this checking power consumption with Battery Monitor Widget Pro. I'm losing ~22 mV every 10 minutes with WiFi turned off and pretty good LTE coverage (-100 dBm) and ~28 mV with WiFi on. When there is poor coverage WiFi will be better choice of course.
SotYPL said:
That's not true. If you have good LTE coverage it uses less power than WiFi. I have confirmed this checking power consumption with Battery Monitor Widget Pro. I'm losing ~22 mV every 10 minutes with WiFi turned off and pretty good LTE coverage (-100 dBm) and ~28 mV with WiFi on. When there is poor coverage WiFi will be better choice of course.
Click to expand...
Click to collapse
I will keep that in mind. Thanks
With Wi-Fi the signal is right there no sharing with millions of ppl no searching for signal, with 4g you'll use more power.I've done test with both and my 4g is great but still Wi-Fi uses less examples 4g great signal maybe 12-18hrs battery moderate use...Wi-Fi 1 day 9 hrs same usage.you do the math
Clean Romed&themed the [email protected]#out
My Jelly Bean battery issues are very tied to cell signal level. At home today, with good signal (LTE -100 dbm), I see no idle drain issues with JB. Its just like ICS. However, this last week at work with poor signal (LTE -112 dbm), with JB I had terrible idle drain. In that exact same setting ICS had no issues.
I have a feeling the new radio is doing some hyper spastic searching for better towers now around -110 dbm, where it didnt used to. If my woes at work keep up I'll flash back to ICS radio.
I've gotten great battery also on ics whether on 4g or Wi-Fi that time really didn't matter,I loved the hd radio.but on jb the lk3 is ok I do get faster gps lock.
Clean Romed&themed the [email protected]#out

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