Related
^^^^
I really hope so. Even with custom ROMs, i am not seeing a major improvement in battery life. Phone looks very pretty though.lol
Ive been reading about the nexus Gingerbread update.. and the reaction has been mixed so far.
I'm not understanding everyone's issue with battery life.. Even stock.
I am running the seido 1600mAh battery but its only a tiny bit bigger so..
Yes it probably will. Gingerbread has features etc that will make it better. However, we will not see that until gingerbread kernel source is actually released from HTC. CM7 will be using the kernel from 2.2 until then.
Cg006 said:
^^^^
I really hope so. Even with custom ROMs, i am not seeing a major improvement in battery life. Phone looks very pretty though.lol
Ive been reading about the nexus Gingerbread update.. and the reaction has been mixed so far.
Click to expand...
Click to collapse
A custom rom won't help battery life that much. What you need is a custom kernel and to tweak setcpu settings. I'm getting much bettery battery life on the 1.5 ghz oc kernel running @ 1.4 and 300 mhz with screen off then I was stock
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aostl said:
A custom rom won't help battery life that much. What you need is a custom kernel and to tweak setcpu settings. I'm getting much bettery battery life on the 1.5 ghz oc kernel running @ 1.4 and 300 mhz with screen off then I was stock
Sent from my ADR6400L using XDA App
Click to expand...
Click to collapse
Custom ROMs will help when we get closer to AOSP. Right now we are just kind of fading out Sense but, taking it out completely should help a little.
But getting back to what you said, right now, custom Kernels are the number 1 way to save battery.
aostl said:
A custom rom won't help battery life that much. What you need is a custom kernel and to tweak setcpu settings. I'm getting much bettery battery life on the 1.5 ghz oc kernel running @ 1.4 and 300 mhz with screen off then I was stock
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Click to expand...
Click to collapse
Wait. You overclocked and are getting better battery life? Crazy. I just rooted yesterday, and this is my first day with my set CPU settings. Hopefully it helps, but we'll see.
Sent from my ADR6400L using XDA App
I don't understand how people think just because the Froyo kernel source came out that we should all be getting 3 days out of our battery now. The INC I had wasn't giving constant great battery life until about 6 months after I got it. It will take time for the battery life to improve. And these roms aren't highly modified at all, it hasn't even been a month, we are all learning about this phone and what it can and can't do. Give it some time and you will see battery life improve, it's not like GB will drop and everything will magically get better.
I don't think battery life is too bad. Better then my old EVO with a larger battery. But I suspect that is because of Sprint's network problems. Made that poor EVO work way too hard for data.
I flashed my kernel recently and created a setcpu profile for 245mhz min/max when the screen is off using "smartass" governor and over all i am using the smartass governor max cpu 768mhz. Battery still kinda crappy. Even just playing mp3s the battery drains fast. Ive been keeping the phone in exclusively 4g and now i am trying 3g. I get very solid 3g/4g coverage in NYC. I donthave many apps running in thebackground. Just have my google sync on and i think facebook... thats about it. Also keep my screen around 20-30%. Ive also done a few full discharge cycles on the battery info and deleted the battery from the CWM recovery menu.
**P.S.- Sorry if i am sounding impatient. I am new to the Android camp. I came from the iphone 3g.iPhone 4 camp. Battery is something i never really had to worry about. Just sucks i have to be more proactive to make my battery last me through the day. Luckily i have access to chargers everywhere... but i dont always want to have my phone plugged in.
Same here, came from the blackberry camp where 3 days per charge is normal. My battery life isn't bad to start with (9hrs) and is only getting better with the new kernel. Still, i think every little bit helps so i hope gingerbread comes sooner rather than later.
In all reality. The screen is what takes up most of the power. I think for me, typically the screen is around 60 - 70% of my battery power. This is a big 4.3 in screen. Having chargers is handy, and the faster the charger, the less you have to have it plugged in. Are there any reliable 2 amp chargers out there?
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I keep my screen very low.
coder_t2 said:
Wait. You overclocked and are getting better battery life? Crazy. I just rooted yesterday, and this is my first day with my set CPU settings. Hopefully it helps, but we'll see.
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Click to expand...
Click to collapse
Ya. Oc kernals usually undervolted and have other battery tweaks. Its setting run real low with screen off. I have my brightness kinda low. Screen off thirty seconds but that's about it. I work in 4g area live in 3g. 4g is tolerable now with this kernel
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Smartass is still kinda broke from what i can tell. I found luck using undervolted kernels specifically the 1.2ghz kernel from DAS BAMF and Adrynalyne's kernel too
gingerbread seems to have very good power improvements. idle power when phone is asleep seem to be extrremenly low, around 3mA. this is very good and will help you guys when you get GB.
possibly a parallel...
One year age, I bought the HD2 on T-Mobile. Guess what? Poor battery life, etc. Then the update came through and battery life was BETTER. Today, I now am with Verizon and the Thunderbolt. Battery life could be better. And Android 2.3 will be released soon to the Thunderbolt. Will that help battery life. Hope so. But if not, I can get a spare/bigger battery. Admitted, we have no 4G in my home area, so I do not know what impact that has, but my battery life seems like it is improving just because of the charge/discharge cycling that happens normally. And yes, I'm also aware that both are HTC devices but running different OS's, but an update is just that, an update.
I think that it's sad that HTC put in such a low capacity battery and I don't think software optimizations will cure a poor hardware decision. A true OEM 1600 or 1700 mAh battery will make some improvement which seems doable. My Droid 1 had significantly better battery life. If you use 4G as I do, it drains the battery quickly. I use my TB like a Blackberry for email, checking one account every 10 minutes which is far less than Blackberry. Still, using 4G for this, music for my 30 minute commute in both directions and a few other things puts me at below 50% battery life by the work day afternoon. I don't know why HTC put in such a small battery and I'm guessing it has some connection with why they had so many extended batteries to sell on launch day. I have one. Makes the phone noticeably larger, not as bad as I thought although unnecessary... but the phone does last a long time and no worry about battery life.
Android 2.3 is supposed to come to us in Q2, so in the next 2 months. It will more than likely have sense, so it will therefor still drain battery.
My girlfriend pulled 36 hours yesterday on her TB, completely stock. She stayed at a relative's house who didn't have a micro usb cable, so she couldn't charge it. I am pulling a consistent 22-24 hours. IDK what you guys are doing with your phones, but stop it.
I think a big issue with many people's battery life is this is their first smartphone, or first android device. You are going to use it much more than you need to... lol
Wow 36 hours that's unreal I can pull up to 16 hours Max
IISiDeK1CKII said:
Android 2.3 is supposed to come to us in Q2, so in the next 2 months. It will more than likely have sense, so it will therefor still drain battery.
My girlfriend pulled 36 hours yesterday on her TB, completely stock. She stayed at a relative's house who didn't have a micro usb cable, so she couldn't charge it. I am pulling a consistent 22-24 hours. IDK what you guys are doing with your phones, but stop it.
I think a big issue with many people's battery life is this is their first smartphone, or first android device. You are going to use it much more than you need to... lol
Click to expand...
Click to collapse
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IISiDeK1CKII said:
Android 2.3 is supposed to come to us in Q2, so in the next 2 months. It will more than likely have sense, so it will therefor still drain battery.
My girlfriend pulled 36 hours yesterday on her TB, completely stock. She stayed at a relative's house who didn't have a micro usb cable, so she couldn't charge it. I am pulling a consistent 22-24 hours. IDK what you guys are doing with your phones, but stop it.
I think a big issue with many people's battery life is this is their first smartphone, or first android device. You are going to use it much more than you need to... lol
Click to expand...
Click to collapse
Are you in a 4G area? I think the 4g is what really eats us alive.
Since I had the phone, battery drain has been ridiculous. Around ten to fifteen percent per hour. After recently switching to humble 1.5 my drain is nearly 30% an hour. I will try to recalibrate soon but should I consider getting another battery? I was listening to mp3s and checking email during that hour and about ten minute of gps. But the drain still feels a bit excessive. What do you think?
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What kind of signal do you have? Under battery use, is there anything that's been using a disproportionate amount of battery? What do you keep on as far as services and connections, like GPS, 4G, etc?
My signal is usually fine with 4g a majority of the day. It was struggling a bit today in the underground and I had to turn off and on the data to get a solid connection a few times. I usually keep on the data and gps or bluetooth on depending on the situation. Usually just a combination of those. Data is the only one on all day. Nothing looks unusual under the battery usage except for the display using 82%, but it was like that on stick as well.
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What was your brightness set to?
Sent from my gingerbread gummycharged gbe 1.9rc2.3 charge.....bro.
Automatic.
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braveally said:
My signal is usually fine with 4g a majority of the day. It was struggling a bit today in the underground and I had to turn off and on the data to get a solid connection a few times. I usually keep on the data and gps or bluetooth on depending on the situation. Usually just a combination of those. Data is the only one on all day. Nothing looks unusual under the battery usage except for the display using 82%, but it was like that on stick as well.
Sent from my SCH-I510 using XDA Premium App
Click to expand...
Click to collapse
Well, 4G and GPS together can use power pretty aggressively. Granted, 30% an hour seems excessive and may be caused by something else.
A couple things you could try - force 3G (you can do this manually or via a downloadable widget I believe) instead of 4G and use location services instead of GPS (unless you just need GPS). I know these aren't as "attractive", but can provide similar services with less power consumption. This will at least let you see how much consumption is due to these more power intensive services.
If you still have issues, you may have a battery problem (or may need to try reflashing a ROM, stock or otherwise).
charlie_c said:
Well, 4G and GPS together can use power pretty aggressively. Granted, 30% an hour seems excessive and may be caused by something else.
A couple things you could try - force 3G (you can do this manually or via a downloadable widget I believe) instead of 4G and use location services instead of GPS (unless you just need GPS). I know these aren't as "attractive", but can provide similar services with less power consumption. This will at least let you see how much consumption is due to these more power intensive services.
If you still have issues, you may have a battery problem (or may need to try reflashing a ROM, stock or otherwise).
Click to expand...
Click to collapse
Yeah, that's a tough swallow just for the sake of battery. I can compromise on the location service, but really want 4g since it is so widely available for me. I will attempt to recalibrate the battery and then possibly reflash if I feel it's still a problem. Is there another rom you recommend that can possibly mitigate this issue. I tried Gummycharged on my phone but it is really buggy (launcher force closes every few minutes) on my device for some reason.
braveally said:
Yeah, that's a tough swallow just for the sake of battery. I can compromise on the location service, but really want 4g since it is so widely available for me. I will attempt to recalibrate the battery and then possibly reflash if I feel it's still a problem. Is there another rom you recommend that can possibly mitigate this issue. I tried Gummycharged on my phone but it is really buggy (launcher force closes every few minutes) on my device for some reason.
Click to expand...
Click to collapse
Depends on if you want a Froyo or a Gingerbread ROM. I was running the Eclipse Froyo ROM with the imoseyon kernel overclocked and undervolted slightly and had excellent stability, performance, and battery life. I just switched to a GummyCharged GBE 1.9RC2.3 but haven't really decided yet if I'll stay.
Probably Froyo
charlie_c said:
Depends on if you want a Froyo or a Gingerbread ROM. I was running the Eclipse Froyo ROM with the imoseyon kernel overclocked and undervolted slightly and had excellent stability, performance, and battery life. I just switched to a GummyCharged GBE 1.9RC2.3 but haven't really decided yet if I'll stay.
Click to expand...
Click to collapse
Thought about it for a while and will be sticking with Froyo for now until Gingerbread has been officially released from Verizon. I'm hoping that will allow for most of the bugs to be reconciled. I read in various post that GB still has some issues. Stability, performance and battery life are my primary concerns.
On a side note:
Don't quite know if I am ready to start overclocking and changing voltages. Is there a recommended thread to get some basic knowledge on working with the voltages and what not. I only have experience overclocking desktops and graphics cards.
Thanks for following through with me on this as well.
braveally said:
Thought about it for a while and will be sticking with Froyo for now until Gingerbread has been officially released from Verizon. I'm hoping that will allow for most of the bugs to be reconciled. I read in various post that GB still has some issues. Stability, performance and battery life are my primary concerns.
Click to expand...
Click to collapse
I was right there with you, but I read that these Gingerbread leaks also allowed you to use Media Hub with HDMI out (which it does), and my credit was about to expire
braveally said:
On a side note:
Don't quite know if I am ready to start overclocking and changing voltages. Is there a recommended thread to get some basic knowledge on working with the voltages and what not. I only have experience overclocking desktops and graphics cards.
Thanks for following through with me on this as well.
Click to expand...
Click to collapse
No problem, I used the clock and voltage settings in this post but only used the Temperature profile. Had no issues. I tried straying from it but started getting crashes so I went back to it. If you're looking for only battery improvements, you could skip the 1300 Mhz OC and just underclock and undervolt. That whole thread is devoted to an OC kernel though so feel free to read through and it may shed more light on it.
Hope that helps.
Awesome. Thanks
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Automatic brightness will use more battery than setting it to one brightness and manually adjusting it as needed. Automatic brightness requires activating and polling the light sensor, then increasing/decreasing the brightness. On top of that, I've found that automatic tends to keep the screen brighter than it needs to be for me in most situations.
Good point
imnuts said:
Automatic brightness will use more battery than setting it to one brightness and manually adjusting it as needed. Automatic brightness requires activating and polling the light sensor, then increasing/decreasing the brightness. On top of that, I've found that automatic tends to keep the screen brighter than it needs to be for me in most situations.
Click to expand...
Click to collapse
I think your right. I had a similar issue with auto screen brightness with my old Touch Pro 2. I will try this among the things written earlier to see if it has any impact.
5% drain in last twenty minutes. Just Lte on and no activity but writing this post.
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20% drain per hour of screen on time is the norm for Charge. Throw in the typical idle background drain of 4% per hour, and you'll see why 3 hours of screen on time per day is the max you can get.
Now then, the drain due to active screen use is expected and can't be improved. However the idle drain is unusual and *probably* can be fixed by future Samsung firmware. (gingerbread is not fixing it yet). I'm guessing its poor idle radio management, which is why undervolting the core does nothing to help.
If the idle drain can be greatly improved, the Charge could then expect to get 4-5 hours of screen on time per day, and I'd be a happy camper.
braveally said:
5% drain in last twenty minutes. Just Lte on and no activity but writing this post.
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Click to expand...
Click to collapse
I'm in the same boat here with Humble 1.51.
4G at 4 bars, -84dBm, surfing the net, 30% back light, no gps, no wifi, 2 gmails syncing -- 20%/hour.
Brightness is at the lowest setting for me, Twitter, Facebook, and Beautiful Widgets syncing hourly, 2 Gmail accounts with push notifications, Google Voice, and possibly a few more background apps. I'm at just over 4 hours being unplugged with 20 min. of screen on time and my battery is at 75% and was charged fully when I unplugged it. I have not had any major use as far as playing a game or major web surfing either.
I have good luck with imoseyon's lean kernel 0.13.3 and gummycharged fe. I had very poor battery life before i tried that combo.
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Go back to Stock. Completely wipe everything (including SD Card ... this is optional probably, but it's what I did. Make sure you back up on your computer). Then re-flash your rom. I had this problem after switching initially from Froyo to GB. My battery life is amazing now with the new GC GBE 2.3.
Scrappy1 said:
20% drain per hour of screen on time is the norm for Charge. Throw in the typical idle background drain of 4% per hour, and you'll see why 3 hours of screen on time per day is the max you can get.
Now then, the drain due to active screen use is expected and can't be improved. However the idle drain is unusual and *probably* can be fixed by future Samsung firmware. (gingerbread is not fixing it yet). I'm guessing its poor idle radio management, which is why undervolting the core does nothing to help.
If the idle drain can be greatly improved, the Charge could then expect to get 4-5 hours of screen on time per day, and I'd be a happy camper.
Click to expand...
Click to collapse
I've seen you post this on other threads, and it just proves that different users of the Charge have different experiences. I think a lot of it has to do with the network.
I have had my phone off the charger for 10.5 hours now at home, which varies between a moderate and weak signal. It is still at 81%, which means it has had a 1.8% per hour battery drain. It has been mostly idle, but I've sent a few texts and quickly browsed a website. If it was truly left alone, it would be even less than 1.8% per hour. This clearly debunks your one-size-fits-all claim of 4% idle battery drain.
As for screen on time, I've done 2 hours of screen on time during an 8 hour day and still had ~48% left. Doing the math I could get ~3.85 hours of screen on time in a 15.3 hour day. My battery drains quite evenly with no sudden drops, so this would be a fairly accurate and realistic expectation for me. If I really needed to, I should be able to get ~4.55 hours of screen on time in an 8 hour day. This is based on my high of 1.8% per hour idle drain and 18.8% per hour screen drain. Or, if I did a 10 hour day (like I do quite often), I could do ~4.35 hours of screen on time. Once again, your sweeping generalization of 3 hour max screen on time certainly doesn't apply.
I don't have any special or magical configuration either. I leave 4G on, which sometimes drops to 3G at my house since the signal is weak at times. I leave the GPS and bluetooth on at all times. I have the screen brightness set on automatic. I also have Gmail setup with one push email account and leave auto/backround-sync on at all times.
I run Imnuts' PBJ voodoo kernel with a stock deodexed EE4 system and got rid of some of VZW's bloatware. Mind you, I haven't noticed any significant difference in battery life between the fully stock stock EE4 and the current configuration.
Hello,
Anybody who flashed tons of different ROMs, can you comment which ROM provided best battery life for you. I'm not looking for absolute numbers but comparison of different ROMs as far as battery drain is corncerned for the same user.
Is less about the rom and more about the kernel and u/v u/c in my opinion...radio can have an effect too
Currently I am on coca-cola with dag's .3 kernel using the Gideon battery saver script.
I like using that on the quickwiz rom too
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artisticcheese said:
Hello,
Anybody who flashed tons of different ROMs, can you comment which ROM provided best battery life for you. I'm not looking for absolute numbers but comparison of different ROMs as far as battery drain is corncerned for the same user.
Click to expand...
Click to collapse
Ive been flashing a lot of roms the past week. I'm currently using [ROM][UXKJ2]Buoyancy v1.3.0||Rogers/AT&T||[1/25/12]
Deff the best so far. Very quick and it's been 11.5 hours and I'm at 57%! Kudos to jomeister15 and his team!
You are on ATT network and in LTE enabled zone?
Nexus had the best for me. I also hear Buoyancy is great as well. Sky ice cream sandwhich is what im running now but i charge my phone a lot. An update should be coming soon for battery life fixes on it though.
radio on or off?
I've been running TPC v3 on my 727R for about 2 weeks, with his oc startup script. My battery life wasn't so great until I decided to start turning off data while not using it. Made my battery life go through the roof.
From full charged, I was still at 69% 20 hours later. Mind you, I wasn't using it that much but even still.
Which leads me to wonder: are people actually turning radio off when not in use? Because with it on, I can't get anywhere near those numbers.
What will you be missing if background sync is off while screen is out? everything relying on push notifications will stop working or will be there some other noticeable changes?
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I use skyICS and I get pretty good battery.
The pic is of my first battery cycle on skyICS, with pretty decent usage on it. The red little bit at the end is me trying to kill the battery. I had wifi on, data, sync, flashlight, and ran quadrant standard non-stop for about a 30 minutes.
I think a lot of it will depend on how you use the phone. As mentioned above, simply turning off data saves you a lot of power. Going into airplane mode saves even more. I lose almost nothing in airplane mode (I put it on at night). You can get an app in the market that will auto turn off settings for you if you're too lazy to do it yourself.
I've tried them all, well, I did about a month ago. I can't get more than 5 - 6 hours of battery life. Went back to GB ROM and I'm up at 11 - 12 hours.
FWIW, been flashing ROMS since the original G1 so I'm not a n00b. Thanks!
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There's been 2 new leaks since then
I don't get good battery life with ics either. Gb is still the most stable long lasting build for me.
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I read good things about SkyICS and battery life.
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occupational_hazard said:
I read good things about SkyICS and battery life.
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Click to expand...
Click to collapse
I tried Sky ICS 4.2D-9, and battery life was decent. The best results I got from GB, I was also able to get on ICS. However, I was able to reach those results w/ GB more consistently. I was using NexusMod4 and now on 4.3.
I have the latest leak and I get much better battery life than the first two, but still not as good as gb.
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it really depends on what apps u have installed, if they used data or not.
ive been through alot of phones, and never had a phone that I can use the net, and apps, and all that, and expect good battery life. if i let me phone sit and not talk or anything, yea i can get 2 days out of the battery lol.
The way i use my skyrocket, i get about 8 hours. By the time i get home from work in the afternoon, i throw it on the charger. and it get charged when i go to bed, no matter how much battery it has left.
Just buy the biggest battery you can find. lol and buy 2. batterys are cheap.
I use my phone before bed and sleep from 10 to 7 with it unplugged and next to me and barely kill my battery. I'm on pure CM9 though. Not one of the builds that are on here yet though. Can easily have it last for a whole 24 hours.
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Getting great battery life with Seanscreamz 4.2D here. Very happy with it.
I get great life on my aokp build 8 hours screen on time abusing the hell out of ir
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Yea AOKP has pretty ridiculous battery life... definitely the pinnacle of android.
If you don't mind a few bugs atm...
She needs a lot of work that's for sure but I'm a noob not a dev so its tough
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Yes the new release (ucle) is definetly the fastest and least buggy of the prior releases; on mohans embryo 3.0 I get all day battery life I strongly recommend his and Sean's new ucle rom I like mohans a bit more but try it out man this rom is comparable to mods nexus gb mod rom in speed reliability and battery life
I get absolutely terrible battery life with both the cm9 nightlies and AOKP. It drops about once every 30 seconds with my screen on...sad part is this is my 3rd battery replacement and my warranty expired like a month after I got the phone. So I'm stuck. Any battery tips for cm9?
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Currently getting better battery on UCLE2 than the 2 previous leaks.
Same medium use.
____________________________________
Sent using a Caculator with Android.
Mines at an acceptable 12 hours.
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I've tested most of the ICS ROM's and Sky ICS was the best battery by a noticeable margin - even better than stock GB.
Juice Defender is genius, it'll double most any ROM's battery life by disabling the data radio's while your screen is off... Great App, highly recommended.
Battery life is always going to be hit-or-miss; as a user you have to find the best ROM for your phone, and yours alone. You're going to see a couple people post battery lives that look ridiculous and you'll get a terrible pang of jealousy, but in the end their usage circumstances are likely wildly different from yours and you'll never be able to replicate what they've done exactly.
I found that I got better battery life with CM9 than SkyICS, even though seanz' ROM absolutely was smooth and reliable. In a situation where I was on LTE all day and had no wifi available with minimal, sporadic use CM9 used less juice than SkyICS...for my phone.
JuiceDefender is a great app if you don't mind going back to the Windows Mobile method of polling for updates instead of push notifications. I can't stand feeling like my device is a brick except once every thirty minutes or so. I find that for my usage my battery works perfectly well for what I need operating with all cylinders firing.
I just got over 24 hours with more than 30% battery left on CM9, 1h20 screen on, probably 30 minutes of talk time, Wifi on at all times. There is a great post on power saving tips, I can't find it but the tips are below. I've done most of them (4,5,6,7,8) and it's definitely helped. The other thing is that I found out by using CPU Spy and Better Battery Stats that after a full charge overnight, even though the phone was off the charger, it would never go into deep sleep because there was a kernel wake lock on the charger process. A reboot would clear it, and since then the power savings have been dramatic since it goes to deep sleep about 90% of them time. Might want to check that out as well.
1) Droidwall, without question my most useful app. Only applications that I WANT to connect to Internet can. It takes some configuring, but is well worth it.
2) I don't have any automatic email sync, which some of u may, so this probably helps. I just manually sync when I want to, no time sensitive emails for me.
3) Likewise with point 2, i have no active sync of any app really, including Google Talk, or Google+.
4) My favourite power saving app, Lux Auto Brightness. It allows you to custom set brightness levels in various lighting. It again, takes a bit of initial setup, but is worth gold when it's done. I have it set to adjust on phone wake.
5) Goes without question I'm using the ucle2 modem, best ics modem the skyrocket has at this time, for at & t and rogers
6) Under settings > performance, I've underclocked to 192 min and 1188 max, with on demand. I've noticed no performance hit, and it sticks after boot, even though if u got back into the menu the values seem to have reset. I check with cpuspy.
7) Disable surface dithering and enable 16bit transparency, that seems to have increased smoothness without sacrificing display quality.
8) Obvious one, under settings > developer, mke sure force gpu rendering is set to enable, and both Windows and Transition animation scale values are set to 0.5.
rpr69 said:
I just got over 24 hours with more than 30% battery left on CM9, 1h20 screen on, probably 30 minutes of talk time, Wifi on at all times. There is a great post on power saving tips, I can't find it but the tips are below. I've done most of them (4,5,6,7,8) and it's definitely helped. The other thing is that I found out by using CPU Spy and Better Battery Stats that after a full charge overnight, even though the phone was off the charger, it would never go into deep sleep because there was a kernel wake lock on the charger process. A reboot would clear it, and since then the power savings have been dramatic since it goes to deep sleep about 90% of them time. Might want to check that out as well.
1) Droidwall, without question my most useful app. Only applications that I WANT to connect to Internet can. It takes some configuring, but is well worth it.
2) I don't have any automatic email sync, which some of u may, so this probably helps. I just manually sync when I want to, no time sensitive emails for me.
3) Likewise with point 2, i have no active sync of any app really, including Google Talk, or Google+.
4) My favourite power saving app, Lux Auto Brightness. It allows you to custom set brightness levels in various lighting. It again, takes a bit of initial setup, but is worth gold when it's done. I have it set to adjust on phone wake.
5) Goes without question I'm using the ucle2 modem, best ics modem the skyrocket has at this time, for at & t and rogers
6) Under settings > performance, I've underclocked to 192 min and 1188 max, with on demand. I've noticed no performance hit, and it sticks after boot, even though if u got back into the menu the values seem to have reset. I check with cpuspy.
7) Disable surface dithering and enable 16bit transparency, that seems to have increased smoothness without sacrificing display quality.
8) Obvious one, under settings > developer, mke sure force gpu rendering is set to enable, and both Windows and Transition animation scale values are set to 0.5.
Click to expand...
Click to collapse
Doesn't droidwall only work with a custom kernel that supports iptables?
I'm pretty sure using it without a custom kernel would only be a placebo
Hi guys and gals (if exist)
I really love my HebMIUI ROM based on Erikmm's latest MIUI V4.
I injected it the latest Team Acid kernel and auto brightness mod and it seem to work flawlessly,
Problem is battery life is just not good enough to serve as a daily driver.
I intend to merge PIMP my ROM mod and DS's A.I when I have time, but I seem to miss something.
I'd be happy to get suggestions.
Here are some XDA version Better Battery Stats raw data snaps : (10x!)
Idk but actually, when I told u my battery was not good and I meant it just could last for a day lol...and I have never used it for more than a day w/o a charge even on GB so i dont think its bad...anw, just try all things u think its good cause its hard to say anything bout tweaks and battery life I think cause...IMO and from what I have been through, scripts and build.prop lines not really help much both performance or battery life...and even OC or UV
Sent from my SGH-T959V using xda premium
daothanhduy1996 said:
Idk but actually, when I told u my battery was not good and I meant it just could last for a day lol...and I have never used it for more than a day w/o a charge even on GB so i dont think its bad...anw, just try all things u think its good cause its hard to say anything bout tweaks and battery life I think cause...IMO and from what I have been through, scripts and build.prop lines not really help much both performance or battery life...and even OC or UV
Sent from my SGH-T959V using xda premium
Click to expand...
Click to collapse
I use cMiui 2.8.10.
so I don't know about HebMIUI but i use that rom around 20hr w/o charging.
This rom base on Hefe kernel 0.8(I think)
I tested Hefe 0.8.1 kernel but 0.8 is better than 0.8.1 battery life.
I use cMiui 2.8.10. I think cMiui and Miui is almost same.
I love this rom. I waiting UPDATE. ^^
You can try this and flash rom again.
http://forum.xda-developers.com/showthread.php?t=1500427
Hi Dao
I know what you mean..
we both are more than heavy users, not leaving the phone for a minute, so in that way, yes, even on Valhalla I barely made it through the day.
Here I get this issue even if I have no activity and that's what bugs me. Batt is draining no matter what the user does. That's why I shared this technical data presented in the pics.
Thanks MJMJ
I'm not looking for a replacement.
I love the original MIUI, tune and customize it and share it, here on xda, especially for Hebrew speakers, but not only.
Every ROM has his pros and cons. Cmiui is based on cm9 and miui is based on touchwiz. I prefer Miui as it is the original ROM and is generally considered more stable.
I might try Hefe kernel though.
I think problem is related to device awake status...
sent from me
That your phone is running quite a bit at 100 MHz when I might expect that it be in deep sleep caught my eye. I suspect something is keeping your phone from deep sleep. I can't tell from the BBS you have posted as I'm not sure what you were doing during the time it was collecting stats. I find the BBS from when I'm not touching my phone and it is running on battery overnight perhaps the most valuable.
As far as Hefe 0.8.0 vs. 0.8.1 on battery life, you've completely fooled yourself if you believe you are finding a difference. Go ahead and pull a source diff -- it all is about the interface to sysfs so that external apps can control the UV/OC, not the kernel operation.
jeffsf said:
That your phone is running quite a bit at 100 MHz when I might expect that it be in deep sleep caught my eye. I suspect something is keeping your phone from deep sleep. I can't tell from the BBS you have posted as I'm not sure what you were doing during the time it was collecting stats. I find the BBS from when I'm not touching my phone and it is running on battery overnight perhaps the most valuable.
As far as Hefe 0.8.0 vs. 0.8.1 on battery life, you've completely fooled yourself if you believe you are finding a difference. Go ahead and pull a source diff -- it all is about the interface to sysfs so that external apps can control the UV/OC, not the kernel operation.
Click to expand...
Click to collapse
I an not a professional. I'm just user of this forum.
I found this about battery life.
about WIFI I advanced setup Keep Wi-Fi during sleep -> Only when pluggged in.
use both of this hefe 0.8 and 0.8.1.
0.8 is wifi off when phone lock.
but 0.8.1 is not.
and battery life is different.
I write just my experience on my larrow professional konwledge.
I'm sorry I can not understand about source code,Interface and UV/OC.
Just experience.
Anyway I love cMiui and Hefe kernel.
Hi
I put WiFi as always on (even on sleep) because I wanted to get whatsapp and work mail in real time. Otherwise I didn't get them in time. Perhaps this is it. I will try it as on only when connected and report.
I would also try it with and without auto brightness mod. Let me know what data do you need.
sent from me
What follows is my opinion and it is not completely backed up by experimental evidence, so take it as you will.
I don't believe that any ROM or kernel can significantly improve battery life over any other "good" ROM or kernel. I do believe that there are ROMs and kernels out there than can significantly reduce battery life though.
In my opinion, the two biggest factors on battery life (past battery againg) are
How you use your phone
The applications you or the ROM have running
The most insight I have gained on battery life is running BetterBatteryStats on a "full" battery (unplugged) overnight, when I'm not interacting with the phone at all. As soon as you wake up, turn on the phone, go to BBS, and save a full log.
With a good ROM/kernel, I think you should be getting 90-95% "deep sleep" and no more than ~2% per hour (on a typical 1800-2300 mAh "advertised" capacity battery in good condition) drain. If you're not getting that, I'd look carefully at what is keeping your phone awake. If you have questions about interpreting the results, I know the BBS author and has a great thread where you can post your logs and get some feedback.
When the phone is running, it is my opinion that the screen consumes most of the current, assuming you're not a "gamer" or streaming music or other content. Running with dark themes in your apps (as you can), as well as keeping the brightness reasonably low (auto-brightness should help most users here), are good steps to take.
The GP2A light sensor reports 0.75 mA current consumption in Android, so I have a hard time believing that turning on auto-brightness is any worse that running at similar manual brightness levels. If the phone were to be able to run for 18 hours with the screen on (which we know it can't), it would be averaging ~100 mA -- the GP2A would account for less than 1% of that. Of course, that 0.75 mA may not be the correct number. I'm hoping to see if I can do some measurements on the screen drain at various brightness levels, as well as confirm that the GP2A draws minimal current itself. (Unfortunately, the I2C version of the light sensor used in the SGS4G and other phones does not seem to have a publicly available datasheet.)
I think that the way someone uses the phone has a significant impact, even day-over-day. I know that Hefe Kernel v0.8.0 and v0.8.1 have no meaningful differences in how power is managed. The report that one is noticeably different than the other says to me that day-to-day differences in how a phone is used, even when the owner thinks they are using it the same way, are perhaps more than may exepct.
Werd to your grandma!
Good post Jeff!
Good post Jeff.
Sometimes something as simple as playing a game and then switching to something else without the game exiting properly can do it. Once or twice a day on my PC, I'll go to my task manager and notice that IE or Chrome is still running despite my windows being closed. It's stuck in limbo. On a PC, it may suck up a bit of RAM or CPU cycles but if you have 6cores/8gb like me, you don't notice. Something like that on a phone can suck up battery life like a hog though.
Installing 1 badly coded app from the market can do it. Viewing webpages with more of a white background can affect battery life. There is a million things. It's like laptops. They may advertise 6hours battery life. Sure on the dimmest settings with the screen turned down and very few apps running. Stream and HD movie from Netflix and watch how that 6 hours turns into 2. lol.
Thnak you very much good informantion about battery life.
I understand what you say.
About my post.(I use cMiui and Hefe kernel 0.8)
WIFI I advanced setup Keep Wi-Fi during sleep -> Only when pluggged in.
I tested both of this hefe 0.8 and 0.8.1.
0.80 is wifi off when phone lock.
but 0.8.1 is not.
kernel version : 2.6.35.7-Hefe-ics-00044-g151987a and
2.6.35.7-Hefe-ics-00046-g83ec25b
Do I something worng?
I am not complain about your KERNEL or ROM.
I'm very glad you guys about good efect,time and everything for make good ROM and KERNEL.
Thanks again.
I don't think you did anything "wrong" at all!
The control of the WiFi is mainly a ROM thing. Android says "turn off the WiFi" and the kernel does it. I'm puzzled as to why you are seeing a difference. Since v0.8.0 and v0.8.1 are the same as far a WiFi goes, I suspect something else. Perhaps settings not "sticking" between flashes? If it happens again, logcat and dmesg might provide a clue as to why. If you do would you post in either the Hefe Kernel Q&A thread or the Q&A thread for your ROM?
Hi Jeff
Thanks for the detailed posts.
Did what you asked : got 96% after 7 hours of no use, no charge. Deep sleep is 98%.
So I come to conclusion that wifi is sucking up the battery on miui. It has very good reception and always shows full bars for all spots.
sent from me
itzik2sh said:
Hi Jeff
Thanks for the detailed posts.
Did what you asked : got 96% after 7 hours of no use, no charge. Deep sleep is 98%.
So I come to conclusion that wifi is sucking up the battery on miui. It has very good reception and always shows full bars for all spots.
sent from me
Click to expand...
Click to collapse
This is a mod that Erik put into his miui rom to attempt to fix the wifi "issue" on ics, the wifi signal is very strong (or maybe its just the wifi icon)
Sent from my SGH-T959V using xda app-developers app
Hi
I installed 'Better WiFi' (from the creators of BBS) and set it to open wifi connection only when screen is on and keep it if there is network activity.
Left it at night and dropped from 65% to 35%.
I'm now sure WiFi is over draining when opened.
sent from me
I haven't heard of that app before. My search-fu is failing me though, both here and in the Market. Where did you find it?
Edit: Found it http://forum.xda-developers.com/showthread.php?t=1801284
Posted from my SGS4G, thanks to Team Acid development
http://forum.xda-developers.com/showthread.php?t=1801284