HTC Desire :: Battery Life Increase
Sep 7, 2010
According to a lecturer at uni, mobile devices use more power when they have to try and hold a connection (wifi or mobile network) that is further away.
Apparently moving your router closer will allow the device to conserve energy by allowing it to power down it's radio because it's not having to broadcast it's signal as far. This also extends to cell towers - it seems living a long way away from one will make your phone work harder to keep a 3G/EDGE/GPRS signal and thus wastes battery. I'm inclined to take his word for it, what with a PhD under his belt on the subject!
Heres a new battery saving tip
I think this holds some truth, when I was in London over the summer I swear my battery used to die so much quicker because it kept having to try desperately to hold onto weak signals being blocked by all the built up areas. Not a lot anyone can do about it but it might go some way to explaining the differences in battery life people are reporting.
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Sep 6, 2010
SetCPU claims to be able to increase your battery life by limiting the speed your processor can run at. This seems like sound reasoning at first, but then I remember roughly what a CPU is and how it works...
So let's say you've set a profile so that when the screen is off it will be limited to half the clock speed; around 500mHz. Lets then say your email wants to get updated, so your processor chugs away that that. If it was set to full capacity it may take say, 1 second to complete the task then go back to it's idol state. With SetCPU limiting it, it would take twice as long and would still use exactly the same number of cycles as before.
In fact, when you think about it, it doesn't actually matter what speed your phones processor is running at all the time, what matters is how much work you're asking it to do. Surely the best and only way to increase battery life is to simply have your processor complete less tasks, therefore using less clock cycles? Sending a text message uses the same amount of clock cycles no matter what your max setting is, so as a result uses the same amount of power.
If anything, having SetCPU running all the time just gives your phone more work to do and therefore decreases battery life?
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Jun 5, 2010
I don't think Ive ever owned a phone where the battery charged back to 100% so fast...what do you guys think?
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Sep 11, 2010
I've had my Evo for about 2 months now and the battery life wasn't so great. Being that I'm coming from a Hero, it wasn't surprising. But the past week its got incredibly worse. I've done the battery conditioning thing and have a auto task killer. But for example, i got 4 hrs and 17m on one battery today with VERY MINIMAL use. I had bought a back up battery and that has about the same life. I've never rooted and really considering it now. Is 2.2 rootable yet?
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Aug 27, 2010
I'm thinking about rooting the fiance's evo, she could careless about all the ins and outs of it. My main reason for wanting to do it is for battery life increase. When rooted and flashed to a custom rom is battery life increased? When I rooted and flashed a custom rom my battery life doubled on my hero. Is it possible for the evo?
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Apr 15, 2010
This thread along with the other is being created for the purpose of merging all battery threads into three. It will keep the forum clean and will also serve as a one stop information collective. This particular [Battery] thread is for Fixes and Tips on how to increase battery life. If you have found any ways to help get the most out of your battery please share it here and help other members if you can. Please don't get angry or upset with another member if they disagree with your fix or tip.
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Aug 1, 2010
My Captivate has been plugged in for the past 2+ hours and I barely have 40% battery. Also, my charging cord doesn't stay plugged in. If I pick it up at all while it is charging, the cord falls out. I love this phone, but this may be a deal breaker. What are the chances these issues are just with the phone? Should I go to AT&T and get a new one?
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Mar 4, 2010
So far I seem to be losing battery a little bit quicker. It will take a few days to get a good idea of the battery life.
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Oct 20, 2009
I'm not too familiar with the Android OS, and the Droid may be my first Android device. From what I've gathered so far, battery life seems to be an issue with Android devices. I've had 3 different BlackBerrys for a couple of years now and for the most part, battery life has been good or acceptable. My question is, will the Droid suffer from battery life issues as do other Android devices, or will Motorola have a magic formula that increases it? I've read that BGR says battery life is supposed to be "very, very good." But I'm not sure I believe them. They have a way of exaggerating how good a device is, especially if no other reviewer has that device, to make it seem like they have something very special (probably to get more readers).
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Sep 5, 2010
My battery life has been pretty good since getting the phone in November but the last few days, my use or setting haven't changed but my battery goes from 100% to dead without much use in about 3-3.5 hours. The back of the phone also feels extremely hot. This is with auto brightness, wifi, and bluetooth turned off to maximize battery life. What should I do?
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Nov 13, 2009
Hey all, so my battery hasn't been the greatest since I got the phone. I got it about 5 days ago, and the battery has been getting worse. At first I could go all day with very heavy use. Now I took my phone off around 11:30 and it's now 7 o'clock. it's now at 40 percent, but I have barely used the phone at all. I texted occasionally, and I made one ten minute phone call. Other than that, nothing. Wifi is off, gps is off, only syncing is on. Is this normal for everyone else? Or should I go to verizon to see if I can get a replacement battery?
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May 13, 2012
How can I increase my battery life in my HTC inspire?
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Oct 7, 2010
I rooted my phone about 2 days ago and I did a nandroid backup, titanium backup, used titanium backup to freeze some of the bloatware.. Have not yet installed any ROMs or Kernels. I got SetCPU and made several profiles in an attempt to increase my battery life. I wanted to see if it was working so I set up a widget, and despite the fact that my battery was at 20% (I have a <25% battery profile setting) the max was still 998
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Aug 26, 2010
So I'm not sure if any of you have been reading or trying out some of the SetCPU values a fellow over at XDA is suggesting. Froyo ROMs increase your battery life! try this (UPDATE 08/26/2010) - xda-developers. Basically, whatever you want your max to be (700+ish) and setting the min down to 19 (lowest it can go).
I remember reading something about it not being good to have your CPU jumping 300+ Mhz, which it clearly would be doing with these values. I would ask over there, but that place kind of scares me Just wondering if any of the fine, intelligent folks over here have any advice on this. I would love for my eris to idle at 19200 but not at the cost of my battery and/or the phone itself.
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Oct 7, 2010
I just ordered the Xperia X10a. Customer Retentions gave me a great deal on it (Great deal = entirely 100% free, I figure I really couldn't beat "free" :P) and so I said "Yes, that sounds lovely" (not an exact transcript of my reaction). I now await its arrival in the mail. So I've been pretty damn excited about it. But then I did the ONE thing I told myself not to do: go trolling on the internet for all the negatives. I knew there were going to be negatives, that's the nature of smartphones, there's always going to be something if not multiple somethings. But I have to admit I was unprepared for the sheer amount of complaints over the battery life. Now I'm depressed (not really, but you know what I mean). Did I just order myself a lemon? I mean don't get me wrong, you still can't beat a free phone I suppose, but is it a free mobile phone, or a free "I need to get to a wall outlet so I can charge this thing because it discharged after only an hour and a half" phone, which isn't exactly all that mobile (ok, well it's mobile, just not mobile + useful at the same time -- I admit I was sort of hoping for the latter. Pipe dreams, what can I say).
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May 11, 2010
There are a few things you can do that will help your battery life and performance...
Performance
� Do some graphical tweaks...
1. Install Spare parts
2. Set Window animations > Fast
3. Set Transition animations > Fast
4. Set Wifi sleep policy > Never While Plugged
� Adjust the Android memory management...
1. Install Autokiller
2. Menu > Presets
3. Most people have best results with 'Moderate' but you could also try 'Optimum'
4. Menu > Settings > tick 'Apply settings on boot'
Battery
� Wipe your battery stats...
1. Allow the phone to discharge completely
2. Boot into recovery (hold Home and press On) plug the phone in if you don't have enough charge to get into recovery
3. Select Wipe > Wipe battery stats
4. Go back and Reboot
5. Leave the phone to do a complete charge (preferably over night)
� Adjust your radio settings...
1. Go to Settings > About phone > System updates > Update PRL (it's normal that the phone process will force close at this point and the radio will reboot)
2. Go to your dialer
3. Dial *#*#INFO#*#*
4. Click 'Phone information'
5. Scroll down to the first dropdown selection and set according to your preference below...
� WCDMA preferred (default) - This will automatically switch you between G/E/3G/H depending on the best signal available by constantly monitoring all signals. This uses the most battery.
� WCDMA Only - If you only want to use 3G/H (3G) and do not want to use G/E (2G) select this.
� GSM auto (PRL) - This is the preferred option as it will allow you to use G/E/3G/H but uses the PRL list on your phone (provided by your carrier in the PRL update) rather than constantly monitoring all frequencies thus saving your battery. This may not work with all carriers if you have difficulty getting mobile data in some areas you will have to use one of the other options.
� GSM only - If you only use G/E (2G) select this (it's the same as selecting '2G only' through the settings menu). This option uses the least battery.
Upon making your selection the radio will reboot and the setting is saved, so just back out back to the dialer and you are done.
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Jun 21, 2010
I am a complete noob at this stuff and was planning on using my samsung moment with stock android 2.1 but..........the battery life sucks. I'll be lucky if i get through a day with only two phone calls and a couple of texts. I was reading on these forums about how rooting can increase battery life on the moment, but how? can someone explain to me how? Oh and if i wanted to root my moment, would this be the easiest way? http://sdx-downloads.com/custom/
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Sep 9, 2010
**UPDATED 10/2/2010**
Hey all Droid Eris owners, just wrote a lengthy post on my blog about improving performance, stability, and battery life on the Droid Eris on my blog at:
http://jonsuh.com/2010/09/make-your-...y-life-how-to/
I included tutorials on:
Rooting
FroyoEris
SetCPU
AutoKiller
LauncherPro
GPS Status
Dialer One
Wireless Tether *Added 9/24/2010*
Battery recalibration for extended battery life *Added 9/17/2010*
Upgrading radio (July 2010 2.42.01.04.27)
Upgrading Kernel (CFS v5) *Updated 9/17/2010*
Tweak your settings (Window transitions, VM heap size, Launcher Pro) *Added 9/24/2010*
Well known bugs (Camera bug, 3D gallery bug) *ADDED 10/2/2010*
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Jul 23, 2010
I have asked this on the bloatware thread, and I've only seen one person mention that they have seen an improvement (BringTheRain403). I know a lot of you have removed most of the bloatware by now.
Do you see a noticeable increase in performance or battery life after removing the bloatware? By removing, I mean freezing the apk's in Titanium Backup. I don't really have a problem with this stuff being on the phone, but if it will noticeably help to remove it, then I definitely will.
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Nov 20, 2009
Seeing as how the screen seems to have the largest draw on battery life, I've been running the screen brightness at "0", with the native tools. I installed an app called Quick Settings, which decreases brightness by another 10-20%. May not work for some brighter situations, but if you want to have the screen "always on" or know you'll be going hard w/ Facebook, every little bit helps.
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Apr 16, 2010
I'm thinking of getting the HTC desire when it releases in the US and I know it has already in Europe. I'm one of those people that would use the phone for internet, texting,probably not emailing.I'm interesting in what you guys' batter life is.Like if you had 3g off and all those battery saving tips.Like manual switching 3g on when needed etc.Since I want an accurate time to go by because I'm going to do the exact thing when I get mine.Using battery saving tips for max.As well if any hardcore power saving iphone users can post their times as well since I can't find anything on the web relating to that.
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Jul 25, 2010
I rooted and put "Official Froyo HTC Sense ROM". Seems to work fine, however, I have a feeling that battery life is worse, especially when using the net. However, maybe it's just in my head. What are your experiences with battery life after upgrading to 2.2? And please, don't make silly "I surfed the web for 12 hours and still have 25% left" claims Also, I'm not interested in other ROMs, as I want a clean sense experience with no modifications (as close as possible to the way HTC made it)So - 2.2 and battery life: same, worse or better than on 2.1 that came with your Desire?
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Nov 10, 2010
What started as a discussion over at XDA-Developers to try and resolve serious lag problems that some users experienced with their DHD is now proving to be a resolution to most of the problems reported with this device. Apparently turning 'usb debugging mode' ON is the resolution. The thread was first started by a user who noticed that whenever he was experiencing lag issues an Android process called /INIT was taking anywhere from 70% to 100% of his CPU usage. /INIT is a core process to the Android bootup sequence which should go 'dormant' after the bootup itself. What many users noticed after this was found is that whenever the lag problems started /INIT would take some 90% of the phone's CPU usage and not go back to its 'dormant' state. Even when the phone was idle and not being used. After applying the fix many people are reporting the phone running as smooth as they have even seen it running. Also users are reporting that recording video is no longer jerky and they can browse through the gallery smoothly and with no delays. The more relevant yet, and what may prove to be the best contribution from all this, is that some users are now reporting really amazing battery life performance. Its important to say that the so-called 'bug' doesnt seem to be HTC related but rather an Android 2.2 issue, as the performance issues are also being reported on other handsets running the latest Google OS - with some sources reporting that Google is soon to release an update to Froyo 2.2, possibly to resolve this bug. In order to turn 'usb debugging mode' ON go to: menu >> settings >> applications >> development.
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May 31, 2010
So after all the horror stories about battery life I was kinda worried about my new Desire especially as I am a full brightness, 3G loving kinda man. But having got the phone on saturday, I have found it quite good. I mean, I played with it almost constantly for about 8 hours, and I still had 30% charge left.
Normal usage would be maybe an 2 hours or so per day, so i don't think there is any danger I'm gonna run outta juice at work. Also, when sleeping, I don't seem to lose any battery power at all, despite the experiences of others. Anyone else think the battery problems are overblown?
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Aug 21, 2010
is there some kind of battery indicator somewhere in the HTC desire to show how much percentage of battery life is left and all?
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May 24, 2010
I thought I'd share what I have done to extend the life of the battery.
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Aug 12, 2010
I can take no credit for this as I read about it over on XDA but after trying it out exactly as mentioned I can 110% state my battery improved immediately.I was usually getting a day tops sometimes loosing all juice around 11pm after being unplugged from around 7.30am. Well I stumbled across this in a thread discussing the Neophyte Rom im using and it actually worked for me. Yesterday after a good 20 - 30 minutes of phone calls , lots of emails and texts I went to bed at about 12.40 am and my battery was at 60% still. Now today after being unplugged for 2.5 hrs Ive had around 3 emails 1 text and 4 minutes worth of phone calls I'm still on 96%. I have 3G on all the time 1 email account updates every 30 minutes and gmail is push, twitter updates every hour. I dont have wifi on and my screen brightness is 20%. I am rooted and running SETCPU with the CPU down to minimum when the screen is off, but I had that before also. So all in all try it out and see if it works for you, I think it has for me.
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Aug 27, 2010
Here is just a quick photo of my desire just bordering on 2 days use which it did last to 2 Days and 2 Hours post photograph without charging:
This was based on medium to light usage I might add, phone calls, texts, market use, web browsing and around half an hour mp3 player usage. No gaming as I do find gaming using anything other than the "oid" range of emulators kills battery life fast. However heavy use generally nets me minimum 20 hours. Sorry about the dodgy picture, trying to get a decent close up shot using my N95 wasn't easy...
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Oct 27, 2010
I have recently just got a new HTC Desire HD phone, but the battery life I find is quite short. I have gone to 'Settings', 'Location' and turned off GPS, but is there anything else I will need to do to improve the battery life?
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May 31, 2010
I've been using my Desire for three days now, and been quite happy with it. Except for the fact that I can barely get three hours of battery life out of it, with "normal" use. (A couple of text messages/MSN conversations, quick web browsing every now and then). I've tried everything, turning syncs to 6 hours intervals, switching off 3G and WiFi, reducing screen brightness etc.
But the battery still loses about 1% per 1 minute. This can't be normal, right? Is this something that will improve over time? Could I have a faulty battery that needs replacing? I don't have unrealistic expectations for the battery life, just lasting for a full working day is enough for me, and I assume that should be possible.
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