Potential battery savings from txpower adjustments? - Asus Transformer TF700

I don't want to jump to any conclusions, but it does kinda make sense. I am seeing what "appears" to be a pretty solid increase in battery life during browsing and bulk transfers. I was able to download 3.5gb of data over wifi at about 1MB/s (around 1hr of nonstop transfer, data for Horn and NOVA3) and only knock off 17% of the battery with only 2bars. I am currently at 3:35/5:47 screen-on for the day and still have 68% left. The nonstop pulling is worse than regular browsing, and at this pace getting to the 8hrs of browsing seems like an actual possibility. As I am running on Balance with CleanROM 3.4.4 at the moment, switching to powersave could probably eek out addition gains.
IF YOU BLOW SOMETHING UP DO NOT BLAME ME...ETC ETC ETC
If anyone wants to check this out, and see if it's just fluke, here is what I have tried.
..pre-post revision...I started out doing the changes manually via terminal, but found some resources on XDA and the play store to make it a bit easier, so I am linking that stuff instead. A user has a pretty good guide for the Thunderbolt that I retested with and it works fine.
Just follow the steps here Solved: WiFi TXpower app error issue with missing iwconfig file to get the iwconfig file, and the links for the WIFI TXpower app.
I used Root explorer, so renaming the iwconfig.txt, moving it to xbin, and changing perms was trivial. As for WIFI Txpower, I have been running on 4db(398 DBM) with no really noticeable problems. I imagine it may have a steeper dropoff based on distance, but the plastic strip on the TF700 really fixed the range issue.
..UPDATE: I have noticed that when you turn the device on after a wifi sleep event, it seems to come back up full blast. So my estimates may be off by quite a bit, as I didn't check it between downloads and browsing sessions. Tom make the settings stick, there may need to be some modifications to the init scripts. I just wanted to get this info into the hands of more people to poke at, and determine if this is something worth adding to Aroma for our TF700 roms.

Day one with lots of power switching back to lower levels. Balanced mode with stock _that at interactive + row. Auto brightness.
Sent from my ASUS Transformer Pad TF700T using Tapatalk HD

Looks promising

Thanks for reporting this -- and thanks for trying.
Which interface name does it report in your case -- I get a wlan0 interface name instead of the eth0 reported in the original thread. I just picked wlan0, as it stays there even if I pick "Auto".
EDIT: I used Root Explorer succesfully -- no trouble remounting /system as R/W, so the one fluke I found may reside in the original thread.

Yes, it should be wlan0 for the wireless. The biggest problem is that after the interface goes to sleep (screen timeout), it will come back up at full burn, and you have to turn it down again. It will need to be cook into the ifup scripts to make it survive.

helfrez said:
Yes, it should be wlan0 for the wireless. The biggest problem is that after the interface goes to sleep (screen timeout), it will come back up at full burn, and you have to turn it down again. It will need to be cook into the ifup scripts to make it survive.
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thanks for the tip! seems to be the real deal!
i had a test and notice only the 4 and 11 seem to line up with our tf700's ... is same for you?
stock @ 1496dBm
[email protected]
[email protected]
others don't seem to change on mine?... and no button for getting back to stock(full power)...

Yes I think we really just need to call true power via dbm to be accurate. The wifi power app was a quick way for people to validate what I was experiencing. I want to do some more playing around over the weekend and maybe a mod for cleanrom to handle the sleep issue. I am seeing a pretty significant drop in power drain while browsing and doing anything with wifi. I am having to force usage patterns to drain the battery versus just firing up a browser or online game.

snypa said:
thanks for the tip! seems to be the real deal!
i had a test and notice only the 4 and 11 seem to line up with our tf700's ... is same for you?
stock @ 1496dBm
[email protected]
[email protected]
others don't seem to change on mine?... and no button for getting back to stock(full power)...
Click to expand...
Click to collapse
You can use the command line to change the parameters. Use "iwconfig wlan0 txpower 1"to get down to 100dbm. Which works great as lo g as you are near the router.
"iwconfig wlan0 txpower 15" brings you back to 1496dbm

I am running this now with lowest settings for almost 24h.
I am not seeing any improvements in battery life.

jupppo said:
I am running this now with lowest settings for almost 24h.
I am not seeing any improvements in battery life.
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It currently resets on (at least wifi) sleep, so you shouldn't be seeing any improvement unless you kept your poor 700 awake all those 24 hours.
The criterion is the "screen on" time, which may well be longer with the mod in place and active. Don't forget to activate it every time you wake up the 700.

I'm not sure when it was incorporated, but I know the 'Wi-Fi optimization' option in the advanced Wi-Fi settings effectively does this dynamically. If I recall correctly, it showed up after the last stable release but I've certainly noticed a big difference in battery life since I keep my Wi-Fi on always.. and no need to iwconfig depending on how much traffic you're planning on pushing! Anyway, it would be under Settings -> Wi-Fi -> (Menu) -> Advanced -> Wi-Fi optimization and that seems to do the same sort of thing and takes into consideration some of the weird PM issues related to the hotspot AP code. Just my two cents though..

MartyHulskemper said:
It currently resets on (at least wifi) sleep, so you shouldn't be seeing any improvement unless you kept your poor 700 awake all those 24 hours.
The criterion is the "screen on" time, which may well be longer with the mod in place and active. Don't forget to activate it every time you wake up the 700.
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Click to collapse
Yes thank you, but that was mentioned earlier already and I took it into consideration and switched back on every use.
I have 6h screen time with reduced tx settings as well as without.
Really no effect here. I also reduced to 100dbm.

jhannah01 said:
I'm not sure when it was incorporated, but I know the 'Wi-Fi optimization' option in the advanced Wi-Fi settings effectively does this dynamically. If I recall correctly, it showed up after the last stable release but I've certainly noticed a big difference in battery life since I keep my Wi-Fi on always.. and no need to iwconfig depending on how much traffic you're planning on pushing! Anyway, it would be under Settings -> Wi-Fi -> (Menu) -> Advanced -> Wi-Fi optimization and that seems to do the same sort of thing and takes into consideration some of the weird PM issues related to the hotspot AP code. Just my two cents though..
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Click to collapse
The Wi-Fi optimization option is not available in stock roms. I think that this is essentially what the non-Asus roms are doing with their wifi. The problem is that none of the non-Asus roms have made it to the 100% functionality mark, compared to something like CleanROM. If the day arises that they do, I would drop the stock rom in a NY minute, but until then, they are not complete replacements for me.
That being said, will you conserve power via wifi when running a aosp rom with these adjustments, probably not, but the aosp roms have never given me the battery life of CleanROM to begin with so it balanced out. I am having no problems breaking 8hrs screen on time with a stock rom and wifi adjustments.

jupppo said:
Yes thank you, but that was mentioned earlier already and I took it into consideration and switched back on every use.
I have 6h screen time with reduced tx settings as well as without.
Really no effect here. I also reduced to 100dbm.
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What rom are you using? If you are not on a stock rom like CleanROM, see my previous post.

helfrez said:
What rom are you using? If you are not on a stock rom like CleanROM, see my previous post.
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Latest CleanROM version. iwconfig is working and new settings gets confirmed, but I have 0 power savings from it.

jupppo said:
Latest CleanROM version. iwconfig is working and new settings gets confirmed, but I have 0 power savings from it.
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Click to collapse
No disrespect intended, but I doubt it is zero. It may be minimal and contingent on usage, which is why the feature is available in aosp roms. I doubt this is the optimal way of using it. What I can say is with my usage patterns I was getting an average of about 5-6hrs absolute tops on balanced with stock _ that kernel and auto brightness, and now I can normally get over 7of heavy browsing consistently.
YMMV
Sent from my ASUS Transformer Pad TF700T using Tapatalk HD

helfrez said:
No disrespect intended, but I doubt it is zero. It may be minimal and contingent on usage, which is why the feature is available in aosp roms. I doubt this is the optimal way of using it. What I can say is with my usage patterns I was getting an average of about 5-6hrs absolute tops on balanced with stock _ that kernel and auto brightness, and now I can normally get over 7of heavy browsing consistently.
YMMV
Sent from my ASUS Transformer Pad TF700T using Tapatalk HD
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Click to collapse
Whether it is 0 or 1% doesn't really matter for me. What matters is that is practically has no impact. I tried on 2 transformers now (one with CROMI and one with stock).
So it would be interesting to see the difference and see why your prime has significant power savings and others not
Unless there is some movement I will throw iwconfig from my tablets.
Anyway, thanks for trying.

jupppo said:
Whether it is 0 or 1% doesn't really matter for me. What matters is that is practically has no impact. I tried on 2 transformers now (one with CROMI and one with stock).
So it would be interesting to see the difference and see why your prime has significant power savings and others not
Unless there is some movement I will throw iwconfig from my tablets.
Anyway, thanks for trying.
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Click to collapse
I'm not using a Prime this is the TF700 Infinity forums. And feel free to toss it from your tablet though every other none stock rom includes it for a reason. If you have nothing further to add other than "my smartassv2 cfq hundkernel undervolted overclocked device doesn't magically have 10hrs of screen on time", please dismiss yourself from this thread. All devices are not made equal, and maybe your particular device(s) are not effected by these changes.
What is a fact is that different people have different experiences with these devices, some perform better than others in different situations. What I can state is that I am able to consistently get over the previous 6hr average, with my specific device, by babysitting the txpower.
I posted this information FYI and YMMV, so can we just leave it at that. If it is irrelevant, and doesn't work for anyone, the thread will age off of the page by itself. Thanks

Welp, that escalated quickly.

Related

Looking for proven and tested higher capacity battery for HTC Desire

As above, anyone using higher capacity battery for their HTC Desire and it is tested and proven to last longer than the original batter? Can post the link to purchase the battery?
Thanks!
Before you buy another battery, have you read this thread about calibrating your battery?
And have you installed a rom that allows underclocking? It makes a massive difference.
I am now getting 20+ hours from my phone where as before underclocking I was getting 8 hours.
Same amount of usage, just underclocking when screen is off.
Erm.. I will go read about it, but because I want to retain as it is now, thats why I'm looking for an extended battery.
Sent from my Milestone using XDA App
bryant_16 said:
Erm.. I will go read about it, but because I want to retain as it is now, thats why I'm looking for an extended battery.
Click to expand...
Click to collapse
What kind of battery life do you currently get? Before (accidentally) calibrating my battery I was getting around 10-12 hours, now I'm getting around 36-42 hours.
I'm looking for one that can last me more than 1 day.
Lennyuk said:
And have you installed a rom that allows underclocking? It makes a massive difference.
I am now getting 20+ hours from my phone where as before underclocking I was getting 8 hours.
Same amount of usage, just underclocking when screen is off.
Click to expand...
Click to collapse
Hey buddy, which app do you use for underclocking? Cheers,
bryant_16 said:
I'm looking for one that can last me more than 1 day.
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Click to collapse
Well, I'm using the standard battery and have 26% remaining with "1d 10h" since unplugged (admittedly I haven't used the phone for that much in that time, just some internet usage, a couple of calls, but it's been constantly on WiFi or 3G to sync GMail).
Use SetCPU for underclocking, and use JuiceDefender to automatically turn off your data connection while the screen's off/locked.
It will still reconnect every 15 minutes to sync, and will remain connected as long as there's any continuing 3G traffic while the screen's off. Basically what it means is you're running one of the most power-consuming parts of your device only 1/15th of the time, which make a big difference. Text messages and voice calls come through instantly still - only things requiring a data connection like facebook, weather, twitter, etc will have any delay, and even then it'll only be 15 minutes at the most.
You can also try setting your phone to WCDMA-only, which means it won't be constantly trying to connect and maintain two radios simultaneously. GSM-only would be even better but depending on your carrier it might not work at all or might only work for voice.
With SetCPU try making a profile to automatically go into "powersave" mode when the screen's off, which will ensure the CPU never clocks up past its minimum speed during that time. It's still over 200 mhz, more than enough for anything you might want to do in the background. For normal operation, between 499 and 768 mhz as the maximum clock, depending on your preference, should be adequate and will save you a little bit of battery life as well all the time.
Also, download a widget to allow you to manually set screen brightness when you're indoors and the auto setting is useless. I have my screen brightness set to 15% while indoors and it's still plenty bright. I have the SLCD model, I don't know if that makes any difference.
My phone has been off the charger for 17 hours and 10 minutes. During that time, the screen was on for 2 hours and 29 minutes. I'm at 79% battery life with the standard battery.
Mugen 3200mah. Mine lasts a day with ease and heavy use.
paprkut said:
Mugen 3200mah. Mine lasts a day with ease and heavy use.
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Click to collapse
Yours able to charge it properly?
A small update to my previous post... I'm now at 32 hours, 38 minutes uptime, 4 hours 44 minutes awake time (screen on). Battery just reached 60 percent. Stock battery.
Remember when you made the choice to buy an Android, you were in effect saying you wanted to have a highly customizable miniature computer. Just like when you customize [insert your desktop OS of choice] to suit your taste, you need to configure your phone in order to get what you want out of it - namely, better battery life than with the standard settings.
HTC's goal with the Desire was to have a showpiece, it runs very fast and it looks good doing it. But they designed it with frequent charging in mind. Since most of us here, I imagine, would prefer to charge less often, we just need to configure the phone appropriately.
If you want a guaranteed solution, try this:
- Install NextSense rom (it's free, latest version right now is 5.3 AFAIK, I'm currently using 5.2 still)
- Install JuiceDefender - it's free on the market and its default settings are, for a change, very intelligent and effective.
- Install SetCPU - You can get it free on this forum. Set it to "interactive" mode with a bottom speed of 245 and a top speed of 806 to start with. The default is 998 at the top, but 200 mhz doesn't make a big difference in this case except to help battery life a bit. Once installed, add a profile for "screen off" which sets the phone to "powersave" mode. This will keep it running at the minimum clock any time you're not using it. Nothing running in the background while you're not even using the phone requires more than the minimum CPU speed.
- Install the Brightness Widget by Curvefish. It's free on the market. Put its widget on your desktop and keep your screen brightness at 25% while you're indoors. 15% is what I use, but 25% is one of the presets so it's a bit easier. I have an SLCD display so the brightness I get on auto might just be different from what OLED gets on auto, I don't know, but in any case for me it's way brighter than it needs to be.
- Set your screen timeout to no more than 2 minutes
- Make sure any apps that sync data do so in a reasonable interval. +/- 15 minutes won't ruin your day for most things.
- Under Wireless & Networks, set your phone's connection to WCDMA-only (3G-only). For many people this results in an increase to both signal quality and battery life, since it allows your phone to only run one radio at a time, making a significant difference. If it doesn't work for you, it's as simple as turning it back to the default setting.
- Disable haptic feedback and see if you mind the difference. Making all those little vibrations takes power too.
- Finally (obviously) don't run a live background, but you probably already know that.
Doing all of the above takes an hour or maybe two at most to set up and the difference in battery life is tremendous. It's simple to do, I worked out all of the above on my own and I've literally only had the phone for 4 days now I think, never touched a smartphone before in my life let alone an Android.
Give it a try, you have nothing to lose, and it will probably save you needing to buy a battery. Or, if you still buy a double-capacity battery, it'll mean you can run for like a week on a charge.
edit: also make sure to get the latest version of the radio driver, I don't have a frame of reference for comparison since I updated mine right away, but apparently it makes a fair bit of difference and probably gives you a more reliable cell signal in the process.
In case you think I'm exaggerating, here are some pics I just took.
What's the ideal settings for juice defender? Cos my phone is not rooted so I'm not going to use the SetCPU application.
What do you mean charge properly ??
Is it able to charge?
bryant_16 said:
What's the ideal settings for juice defender? Cos my phone is not rooted so I'm not going to use the SetCPU application.
Click to expand...
Click to collapse
"Ideal" settings are basically the way it's configured by default. You can't improve upon them much even by getting the "premium" upgrade unless your phone is rooted... but SetCPU is a better choice in that case anyway.
Just install it, hit "enable" after it's done auto-detecting your phone's capabilities, and you're done. It's really that simple.
Be sure to add it to your task killer exclusion list if you use one.
You saying the default option is for SetCPU or Juicedefender?
So just download the free juicedefender is good enough for me already since the pro version is more for rooted phones? (mine is not rooted)
Can somebody pls. post the link to SetCPU?
cyron_at said:
Can somebody pls. post the link to SetCPU?
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Click to collapse
http://forum.xda-developers.com/showthread.php?t=505419
bryant_16 said:
So just download the free juicedefender is good enough for me already since the pro version is more for rooted phones? (mine is not rooted)
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Click to collapse
Yes exactly. The pro version unlocks some more customization but ultimately won't add a whole lot to your battery life no matter how it's set up. I mean, beyond what the "regular" version does.

The search for decent battery life.

I know I know that disabling data can get me 24-30+ hours of battery life. However for my on the go lifestyle, that's just not possible. I depend on my phone to keep my email updated. I have four email accounts (two of which are exchange) that sync calendars and contacts as well as email. I was using push on my two exchange accounts, but I've changed that to do every hour for one and every 15 minutes for the other. my other emails are set to check every hour. I have craigslist notifications set to check a single time per day. I have a weather widget that is only supposed to check every 4 hours.
I am running Perception 10.2 with the latest firebird 2 kernel, but have also tried various versions of speedmod's kernel. I have tried the following modems
JL1, JL2, JL3, JK4, KP1.
No matter what I cannot seem to get more then about 10 hours of battery life on standby ONLY. no phone calls, no turning the display on, nothing. I consistently get around 1 hour of time per 10% drain on my battery. I'm not asking for miracles. I just want my phone to be able to last at least 12 hours (a full work day plus drive time.)
I've already set the programs with the most spartan settings I am willing to use. I'd rather have my phone pushing data to my much more often, but I understand that's not going to be possible unless I can find a drastic increase in my battery life. What else can I do?
I have 3 email push accounts, and google voice syncing all the time. Email includes emails with attachments too, and EDGE is pretty much sufficient for most of these things. Even for normal day to day activities like browsing XDA, EDGE is pretty much sufficient.
So I would advise u to switch from 3G to EDGE. U can turn on 3G when u need more bandwidth demanding apps. This would reduce some strain on ur battery.
Only downside would be that u can't browse n talk on phone at the same time. But its ok by me to get a few mails after the call I am on is over. I can live with this small inconvinience in leiu of the additional battery gain.
As of this minute, with the configuration I have in my signature (am using xcal kernel), I have like 63% battery left after ~7.15 hours standby, with 1h31m of display on and 40m of calls, alongside mails being pushed.
Edit: At the end of my 'normal' day with 'moderate' usage (1-1.5 hours calls and 1.5-2 hour display being on (not for games/movies, but with active data transfer on like texting), I reach home with ~50-60% battery left.
On a side note: I would recommend to turn off updates in weather widget, and use a manual refresh when needed.
how do you easily toggle between 2G/3G? it's my understanding you have to use service menus to access the change.
asrrin29 said:
how do you easily toggle between 2G/3G? it's my understanding you have to use service menus to access the change.
Click to expand...
Click to collapse
If u r on the ROM I am using, u can get it in network settings.
Some 2.2.1 ROMs do not have it in network settings. If ur ROM doesn't have it, u would need to access through the service mode code "*#*#197328640#*#*.
When in service mode, here is the sequence to select in the options:
option 1
option 8
option 4
option 3
Note: Pressing 'back' key will NOT take u back. It will close the service menu. Press the 'menu' key, and select 'back' to go back.
Be warned, this would not stick on reboot. U would need to repeat these steps whenever u reboot.
Alternately, I would suggest u move to a ROM that supports EDGE/3G switch. If the ROM supports this option in network settings, it would stick on rebooting too.
Yeah, I just found that. Perception supports switching, but you have to go to the settings menu to do it. I found something called Juice defender, and will play around with that as well. Unfortunately we aren't on an ASOP build, so we can't auto toggle 2G/3G, have to do it from the menu. I will report and let you know what I find!
asrrin29 said:
Yeah, I just found that. Perception supports switching, but you have to go to the settings menu to do it. I found something called Juice defender, and will play around with that as well. Unfortunately we aren't on an ASOP build, so we can't auto toggle 2G/3G, have to do it from the menu. I will report and let you know what I find!
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Click to collapse
Sure. By the way, I don't use any apps like juice defender. Realized that my battery is well off without them by taking care of little things like turning off wifi and bluetooth when not using them (well, these are the only two things I take care of manually).
I would normally agree with you, but as I was looking through the app I saw that it actually disables data while the phone is off, and only turns it on temporarily at intervals to allow application updates. If it truly works just like it states, I could have essentially a battery experience similar to turning off data while still enjoying my notifications. More experimentation is necessary.
asrrin29 said:
I would normally agree with you, but as I was looking through the app I saw that it actually disables data while the phone is off, and only turns it on temporarily at intervals to allow application updates. If it truly works just like it states, I could have essentially a battery experience similar to turning off data while still enjoying my notifications. More experimentation is necessary.
Click to expand...
Click to collapse
Juice Defender gives me 60 to 70 % more battery life. I have it set to sync every 15min and wifi is location based.
Yeah, Juice Defender works absolute wonders! it gives me the same amount of battery savings that switching to 2G gave me, but automatically enables and disables itself when I need it. I'm on 70% battery left with over 7 hours off the charger, and that was taking voice calls and doing some light email checking!
Try a kernel that supports OC/UV. You don't have to overclock, but undervolting is what you want. Check out Suckerpunch kernel. Nice guide by shaolin. Can't argue against a black belt. lol.
xdahgary said:
Try a kernel that supports OC/UV. You don't have to overclock, but undervolting is what you want. Check out Suckerpunch kernel. Nice guide by shaolin. Can't argue against a black belt. lol.
Click to expand...
Click to collapse
Unless I can only have it underclock while I'm not using it, I think I'll pass. I bought the Captivate for it's 1GHz proc, if I wanted something slower I would have gotten the aria.
You misunderstand. It's undervolt. That means use less power at different processing states.
xdahgary said:
You misunderstand. It's undervolt. That means use less power at different processing states.
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Click to collapse
you can undervolt a proc without underclocking it? How is this possible, unless they changed the FSB or timings on the chip?
I pretty sure you can use voltage control and set highest state at 1000mhz and set lower voltages for states below it. That's as techincal I'm going to get.
asrrin29 said:
you can undervolt a proc without underclocking it? How is this possible, unless they changed the FSB or timings on the chip?
Click to expand...
Click to collapse
By running the chip slightly out of spec.
You can usually undervolt each cpu step by 50 to 150 mV. How to find the right point really does just take trial and error. And as with all overclocking/underclocking your mileage may vary. Some phones can really be pushed to the limits and run fine, others don't like even the slightest changes to the stock settings. All depends on how well your phone was put together, and from where in the wafer your CPU was taken from.
Undervolting can save you a fair bit of battery though. Won't help a whole lot when you're actually using the phone (since the screen and 3G/WiFi radios will suck way more power than the CPU), but it will help seriously increase your standby time.
PS While undervolting and overclocking capable kernels tend to be one and the same (since the underlying code is related) you DO NOT need to overclock your phone to undervolt the CPU. You can run your CPU at stock 1 GHz while still undervolting each frequency step. Course, with some tweaking and good luck, you can even get your phone to run at 1.2 or 1.3 GHz while still using no more power than a stock phone at 1 GHz.
How much battery gets used when the phone constantly switches between EDGE and 3G? I'm curious because my building has thick walls and my 3G signal constantly drops down to EDGE when I pick it up, then goes back to 3G when I leave it sitting out on my desk.
Shammyh said:
By running the chip slightly out of spec.
You can usually undervolt each cpu step by 50 to 150 mV. How to find the right point really does just take trial and error. And as with all overclocking/underclocking your mileage may vary. Some phones can really be pushed to the limits and run fine, others don't like even the slightest changes to the stock settings. All depends on how well your phone was put together, and from where in the wafer your CPU was taken from.
Undervolting can save you a fair bit of battery though. Won't help a whole lot when you're actually using the phone (since the screen and 3G/WiFi radios will suck way more power than the CPU), but it will help seriously increase your standby time.
PS While undervolting and overclocking capable kernels tend to be one and the same (since the underlying code is related) you DO NOT need to overclock your phone to undervolt the CPU. You can run your CPU at stock 1 GHz while still undervolting each frequency step. Course, with some tweaking and good luck, you can even get your phone to run at 1.2 or 1.3 GHz while still using no more power than a stock phone at 1 GHz.
Click to expand...
Click to collapse
Thank you for being the geek.
clydethecash said:
How much battery gets used when the phone constantly switches between EDGE and 3G? I'm curious because my building has thick walls and my 3G signal constantly drops down to EDGE when I pick it up, then goes back to 3G when I leave it sitting out on my desk.
Click to expand...
Click to collapse
Any time your phone is forced to switch from 3G to Edge, or even from one band to another, it's not a good sign for your battery. Exactly how much power difference? Grab a multimeter and hook it up between your phone and battery. Record some data, and test for statistical significance. And let us all know.
Short of that, I'd say if you spend a lot of your day in an area with known bad coverage, I would hop into the engineering mode (*#*#0011#*#*), and lock your phone to a specific band and radio mode. Like 850 MHz EDGE, or 850 MHz W-CDMA. Or if you are in an 1900 area, then 1900 EDGE/W-CDMA. Not just EDGE or 3G mode, but a specific band AND radio mode. You need to be smart, and pick the band that has the best coverage so you don't make life even harder on your radio, but it can save some battery life over the phone jumping around ever time you walk from one side of the room to the other.
i running paragon 5.1 rom with the 1280mhz kernel overclocked to 1280 and undervolted. my phone has been unplugged since 7:30 am eastern time it is now 8:04 pm eastern and i have 73% battery left lol. i have done everything today on the web screwing around with my phone. the best rom so far and im even overclocked.
nate25 said:
i running paragon 5.1 rom with the 1280mhz kernel overclocked to 1280 and undervolted. my phone has been unplugged since 7:30 am eastern time it is now 8:04 pm eastern and i have 73% battery left lol. i have done everything today on the web screwing around with my phone. the best rom so far and im even overclocked.
Click to expand...
Click to collapse
Post usage stats please, like how long display been on, time spent on calls, etc.
Btw, does this ROM allow switching between 2G and 3G in the mobile network settings menu.

What apps are you using? Juice Defender? Set CPU?

I am coming over from the sd version of android on my HD2. I had to download all sorts of stuff to get it working correctly. I already found Set CPU does not work correctly. Has anyone tried SD Card Increase or Juice Defender. Are these things needed?
I read the speed up apps thread but was wondering about these apps in particular.
Is there a way to regulate the CPU to save battery?
Edit:The latest version of SetCPU seems to work fine. I think I had an old version.
I am also using Antek App Manager to freeze battery hogs like wifi calling.
Where's my Droid Power is another helpful app to isolate what is killing the battery.
Anyone try a screen off profile with setcpu yet?
Sent from my G2x
Setcpu wont work until kernel allows it.
G2X
SetCPU works at the driver lvl. The Nvidia tegra 2 option is there to pick when you 1st load the app. You can set profiles as well. you just can not control the scaling yet. You can control how the cpu runs
Running SetCPU and it works fine for setting profiles and helping to give ya a bit better battery life.
I'm also using juice defender and power manager. With them and my profiles set up similar to what I had on my Nexus One I am getting really good battery life.
I got over 24hrs (closer to 36 actually) on my last charge, but my usage wasnt too heavy, but close to average for me.
I've got a profile set-up for "screen off" through SetCPU along with using Juice Defender running all the time. I also used Bloat Freeze to stop the random stuff from even starting to cause drain.
cbsummers said:
Running SetCPU and it works fine for setting profiles and helping to give ya a bit better battery life.
I'm also using juice defender and power manager. With them and my profiles set up similar to what I had on my Nexus One I am getting really good battery life.
I got over 24hrs (closer to 36 actually) on my last charge, but my usage wasnt too heavy, but close to average for me.
Click to expand...
Click to collapse
I was curious about what kind of profiles/set up you had for these 3 applications: Setcpu + juice defender + power manager. Perhaps you can prepare a guide for us. It would be greatly appreciated =)
My device gets me 10 hours, I am very interested on how you are getting 24+ hours.
slickerxcuh said:
My device gets me 10 hours, I am very interested on how you are getting 24+ hours.
Click to expand...
Click to collapse
Last cycle I did, I got 25 hours on a single charge. This is exactly what I'm doing. First, root. Next, set up sync so that it only syncs apps when you are using them, as there is a problem with the 4g handoff to Wi-fi that seriously messes with battery life. Set Wi-fi sleep policy to never, so 4g doesn't interfere with it. Set device to use 2g network only, you might get better reception. If you need a fast connection, just enable it real quick. There are widgets you can use to switch it back and forth quickly. When rooted, use root explorer or bloat freezer to get rid of/freeze ALL T-mobile apps. These things always use data, even when Wi-Fi is available. Since they start on their own, you will always have 4g on, sucking your battery dry (and your wallet if you don't have unlimited data). I've also heard updating the apps works, if you are planning on keeping stock ROM. Keep brightness to its lowest setting unless you need it higher for whatever reason. This setup might seem extreme, but i've been on the internet since 6 am, playing need for speed shift, watching youtube, listening to music and I'm at 65%.
Factory reset and do the google setup immediately. For whatever reason, this is important. Let the battery run dry for the first week or so, and then charge it all night.
Above all, remember that the battery stats on this device are ALL CRAP.
http://forum.xda-developers.com/showpost.php?p=13182735
Read this post, beautifully explained.
Good luck!
Though far less sophisticated, I like Superpower the best. It very simply and efficiently disables data/wifi when the screen is off, which is all I need.
Thank you for taking the time to write that up. Definitely will give this a shot soon enough.
slickerxcuh said:
I was curious about what kind of profiles/set up you had for these 3 applications: Setcpu + juice defender + power manager. Perhaps you can prepare a guide for us. It would be greatly appreciated =)
My device gets me 10 hours, I am very interested on how you are getting 24+ hours.
Click to expand...
Click to collapse
Sorry for the slow reply, had a deadline beating down on me.
For the most part I just set up several profiles in set CPU and also profiles on power manager, and I just use the basic settings on juice defender.
SetCPU profiles I have are:
Screen Off 760max/216min
Battery<25% 816/456
Battery<15% 608/312
Hope that help some. Mine seems to be averaging about 18-20 hrs per charge now, but I find myself messing with it quite a bit I think once I get back to my normal usage, like my usage on my N1, it will easily make it 24hrs with a charge.
preview versions of Riptide GP, Pinball HD, and of course some Angry Birds or another - gotta catch em all!
That reminds me - why hasn't nintendo released PokeMon for any system other than their little nintendo handhelds? Seems like an untapped market.
My Thread
Well actually i just got done typing up a new thread on how i get 20+ hours on my G2x. Here is the link: http://forum.xda-developers.com/showthread.php?p=13279194
Cant get setcpu to work. Force closes on me. What did you guys do?
Sent from my LG-P999 using XDA Premium App

CM 10 performance settings

I just got upgraded from CM 9 stable to CM 10 stable and I love it. Only problem is battery life. I feel about a 10-15% reduction with the new upgrade. I've had CM 10 for about 4 days now. I don't want to touch the performance settings without knowing what I'm doing. Is there a way to change my performance settings to extend the battery life? Also has anybody played with a different kernel with CM 10 stable? Thanks
abehbeh said:
I just got upgraded from CM 9 stable to CM 10 stable and I love it. Only problem is battery life. I feel about a 10-15% reduction with the new upgrade. I've had CM 10 for about 4 days now. I don't want to touch the performance settings without knowing what I'm doing. Is there a way to change my performance settings to extend the battery life? Also has anybody played with a different kernel with CM 10 stable? Thanks
Click to expand...
Click to collapse
Don't worry about changing the cpu and governor settings. There is an option to set at boot. Make sure that is disabled, so if you have any problems a reboot will go back to default settings. I use the conservative governor, and have my minimum cpu speed set to 192. I've read that that speed is not entirely stable for many people, but seems to be working fine for me. That has been pretty good for battery life for me. I believe the default governor is interactive now, and the minimum cpu speed is set to 384 by default.
Do you just "feel" a battery difference, or do you have any actual numbers to back up that assertion? Keep a close eye on Settings / Battery and use Better Battery Stats to record solid numbers and identify what's actually eating your battery.
Also turn off google now location settings if ur not using it. They are really hard on the battery.
Sent from my SAMSUNG-SGH-I727 using xda app-developers app
Disable Google now and battery should be back to normal here is some pics. Cm10 default kernel,stock clocks, no UV, on demand governed, and deadline as scheduler
Sent from my SAMSUNG-SGH-I727 using xda app-developers app
Thanks for the replies.
It seems to be my screen that is responsible for eating up my battery. Have had the phone disconnected from the charger for 4 hours now and all I've done is 20 min with screen time doing a little bit of texting and facebook and my charge is at 75. I have the automatic brightness setting off and put my setting at pretty low.
The cell stand-by battery usage is 8% during these 4 hours. Should I maybe try another radio or is this normal? It lost signal for about 10 min today.
Just turned off google now and selected the conservative governor. Let's see if this makes a difference.
I used to be able to go all day with my phone with CM 9 and I even have the nexus battery.
Thank you for all your help
That's most definitely not normal, at least in my experience. Are you using the vanilla CM10 or some variant?
Some things to try:
Install Better Battery Stats (find the free version on XDA via a search) to see if any apps are causing wakelocks. This is a must.
Use CPU Spy or something similar to see if your phone is entering Deep Sleep. This is a must.
Turn off Google Now unless you actually use it
Turn off all unnecessary radios (WiFi, Bluetooth, GPS) unless you're actually using them
Turn off all auto-refresh settings in every app you have -- all social apps and weather are the biggies
For me, turning off the default auto-refresh in Facebook, Google+ and Twitter are massive savings alone, then Settings / Battery & BBS will help you locate the remainder of the headaches quite easily.
You might want to consider swapping kernels too, or at the very least reconsider your CPU governor and scheduler settings.
I would stay away from conservative governor you won't get much performance out of that, stick with what comes stock and use on demand.... even the default interactive sucks my battery down
Sent from my SAMSUNG-SGH-I727 using xda app-developers app
abehbeh said:
Thanks for the replies.
It seems to be my screen that is responsible for eating up my battery. Have had the phone disconnected from the charger for 4 hours now and all I've done is 20 min with screen time doing a little bit of texting and facebook and my charge is at 75. I have the automatic brightness setting off and put my setting at pretty low.
The cell stand-by battery usage is 8% during these 4 hours. Should I maybe try another radio or is this normal? It lost signal for about 10 min today.
Just turned off google now and selected the conservative governor. Let's see if this makes a difference.
I used to be able to go all day with my phone with CM 9 and I even have the nexus battery.
Thank you for all your help
Click to expand...
Click to collapse
Don't use conservative, your phone is gonna be very slow and suck
Sent from my SAMSUNG-SGH-I727 using Tapatalk 2
I'm currently running the vanilla CM10
Turned off google now location access and set the govern to on demand early this morning and it is performing a little better most def.
I have noticed that my phone lost signal 4 times during the day for periods varying 5-10 min. I am currently on the I727UCLF6 radio. I'm thinking maybe I should try another one. Could that help with that battery maybe?
I have been thinking about switching kernels but I am a little doubtful because I don't want to mess up my phone too much since I so heavily depend on it. I loved the hotcakez kernel that came with AOCP, maybe i'll give it a shot this weekend.
Thanks for all the help people! Def the best forum by far on the web.
abehbeh said:
I'm currently running the vanilla CM10
Turned off google now location access and set the govern to on demand early this morning and it is performing a little better most def.
I have noticed that my phone lost signal 4 times during the day for periods varying 5-10 min. I am currently on the I727UCLF6 radio. I'm thinking maybe I should try another one. Could that help with that battery maybe?
I have been thinking about switching kernels but I am a little doubtful because I don't want to mess up my phone too much since I so heavily depend on it. I loved the hotcakez kernel that came with AOCP, maybe i'll give it a shot this weekend.
Thanks for all the help people! Def the best forum by far on the web.
Click to expand...
Click to collapse
Just do a nandroid backup of the entire phone first before installing a new kernel and your risk drops to zero. If you install it and it all goes to hell, just boot back into recovery and restore your backup.
As for radio ... if you drop signal that often and your phone is constantly searching for one, I suppose that could impact the battery, sure. Are you certain you're in an area with solid coverage, though?
Learn more about the different governors and schedulers: http://forum.xda-developers.com/showthread.php?t=1950084
Yea I might have to play around with some kernels this weekend. Luckily it is a long weekend so I'll have some time if I mess up
My phone will go from 4 bars and a good signal at -78 dBM in my apartment and then randomly I'll lose signal for abut 5-10 minutes. A restart usually does the trick or I can just wait until it regains the signal which can be frustrating. I never had any problems with my signal at home running CM 10 so that leads me to think that there might be some problems with the radio.
Just want to confirm that these are the 5 radios I can use for AT&T even though I'm running JB.
http://forum.xda-developers.com/showthread.php?t=1754473
I've been using a UCLI3 modem I found on XDA a couple of weeks ago, it has been incredibly stable and strong for me. But as many people far wiser than me have said elsewhere, everyone's mileage with radios varies and it really just takes some testing to see what works best for you.
so I should be able to run the 5 ICS radios I found eventho im running jb right?
thanks for your help
abehbeh said:
so I should be able to run the 5 ICS radios I found eventho im running jb right?
thanks for your help
Click to expand...
Click to collapse
Yeah if they are for the skyrocket.
Sent from my SAMSUNG-SGH-I727 using Tapatalk 2

Wi-Fi Optimisation Option In WiFi Settings.

Hi all,
Not seen a thread for this yet. Believe this is new to the 4.2 update as this option never existed previously.
In the Advanced Settings Menu for Wi-Fi you can see this box and it is checked on by default.
Can anyone with the ability verify what this does potentially? Might be useful in future development possibly?
Furthermore, I wondered that with all these TF700 Battery Usage threads there may be a potential error somewhere with the settings that having an adverse effect? This probably wouldn't be the first time something like this happend with ASUS.
______________
Edit:
Side not noticed while trying to do some crude testing of this that there is a SIGNIFICANT improvement in battery life by turning brightness to SUPER IPS+ and then move the brightness down to a comfortable level,due the the extreme brightness the level can be very low 10-30 % and still easily bright enough
KinetiClutch said:
Side not noticed while trying to do some crude testing of this that there is a SIGNIFICANT improvement in battery life by turning brightness to SUPER IPS+ and then move the brightness down to a comfortable level,due the the extreme brightness the level can be very low 10-30 % and still easily bright enough
Click to expand...
Click to collapse
The battery drain is only proportional to the final brightness.
"IPS+ is nothing more than a fancy name for brightness." (dasunsrule32) - http://forum.xda-developers.com/showpost.php?p=39888516&postcount=1788
_that said:
The battery drain is only proportional to the final brightness.
"IPS+ is nothing more than a fancy name for brightness." (dasunsrule32) - http://forum.xda-developers.com/showpost.php?p=39888516&postcount=1788
Click to expand...
Click to collapse
Ahh okay thanks for the link.
Does any one know what the Wi Fi optimisation actually impacts?
KinetiClutch said:
Ahh okay thanks for the link.
Does any one know what the Wi Fi optimisation actually impacts?
Click to expand...
Click to collapse
It gives your wifi adapter lets power, which in return, shortens your wifi range, but decreases battery consumption because I usually could walk around the house with full bars, but now its on optimization its quite a bit shorter, get 1-2 bars at most on porch(cheap router lol) but used to get almost full on 4.1.1 without the "optimization".
Tylor
Tylorw1 said:
It gives your wifi adapter lets power, which in return, shortens your wifi range, but decreases battery consumption because I usually could walk around the house with full bars, but now its on optimization its quite a bit shorter, get 1-2 bars at most on porch(cheap router lol) but used to get almost full on 4.1.1 without the "optimization".
Ahh okay makes sense. I Wonder if this is alterable at all with Root tools. Or this likely to be CROM / KERNEL based
Tylor
Click to expand...
Click to collapse
Ahh okay makes sense. I Wonder if this is alterable at all with Root tools. Or this likely to be CROM / KERNEL based
Only saying that for moments when you're not moving from the WiFi point and could potentially decrease power even further like now currently where I am in the same room as my rooter
KinetiClutch said:
Ahh okay makes sense. I Wonder if this is alterable at all with Root tools. Or this likely to be CROM / KERNEL based
Only saying that for moments when you're not moving from the WiFi point and could potentially decrease power even further like now currently where I am in the same room as my rooter
Click to expand...
Click to collapse
I truthfully dont know if you can decrease it, but there are apps to make your wifi range expands, which consumes more power but I would not tweak with the power, just either turn it on or off. It is there to help, Before there was no option so it can only help battery life.
Tylor
KinetiClutch said:
Ahh okay makes sense. I Wonder if this is alterable at all with Root tools. Or this likely to be CROM / KERNEL based
Only saying that for moments when you're not moving from the WiFi point and could potentially decrease power even further like now currently where I am in the same room as my rooter
Click to expand...
Click to collapse
try this. I worked with it a while back. got it working on phone, but noticed no difference on tablet. since system can now control it, perhaps it's scalable now.
http://jhanford.wordpress.com/2011/10/03/lowering-wi-fi-transmit-power-in-android/
may actually be worth a go!
This is exactly what I had in mind
Battery juice
_that said:
The battery drain is only proportional to the final brightness.
"IPS+ is nothing more than a fancy name for brightness." (dasunsrule32) - http://forum.xda-developers.com/sho...ps. L0L
Don't say "duh" - Hope it helps . . .
Click to expand...
Click to collapse
doesn't work
KinetiClutch said:
may actually be worth a go!
This is exactly what I had in mind
Click to expand...
Click to collapse
just wanted to give you a heads up. this DOES NOT WORK with JB 4.2
the newest version of the OS DOESN'T utilize iwconfig anymore. i wasted 8 hours trying to get it working til i found that tidbit out.
just hoping i can save you time.

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