HTC Desire : Preserving Battery Life / Should Background Data Be Switched Off
Jun 26, 2010
It seems that one of the biggest drains on the battery is apps synchronizing constantly but I'm still confused as to how to set the phone up with this in mind! Should Background data be switched off?! What's the difference between Background data and Auto-sync in settings? Which should be on, or should both be off?
I guess what I'm ideally looking for is one button I can press on my Homescreen which will sync everything when I want it to, say a couple of times a day. I'm thinking gmail, news and sports updates, weather, that sort of thing.
Or am I being too fussy? It seems a shame to have such a clever phone but have to have everything switched off because of the battery. I'm tempted to have everything switched on constantly and just charge it all night every night, have it on charge at work and carry a charger in the car just in case. Does anyone else do this?
If people more knowledgeable than me about this (not difficult ) could post how they have their phones set up this would be extremely useful to me and I'm sure lots of other peeps!
I'm in danger of becoming obsessed with this - phone has only been on for 2 hours after an all night charge, I've done practically nothing with it and the battery indicator in the notification bar has already run down slightly!
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Nov 21, 2010
don't know if this has been brought up before, but I changed the background on my DI to the HTC provided black wallpaper (think it has some silver in it). Now my battery life has been extended almost 3 hours with the same usage. I have made no other changes to the DI.
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Jun 14, 2009
This is a general architectural question. I want to offer a user a simple two page form. The first page will have a few Spinners for the user to select options from. The second page will have a series of EditTexts for the user to fill in. After the second page, the user clicks a button to generate a text file based on the values they have input. My question is: What is the best way to handle preserving the data from the spinners on the first page of the form, in order to place them into the text file? I feel like the "architecture" should be something like this: 1. User selects Spinner values on first page and clicks button to move to next page of form.. 2. Spinner values are placed in database 3. User fills in EditTexts on second page. Clicks button to generate text file. 4. Database is queried for Spinner values, which are added to newly created text file, then EditText values are added Does this strategy make sense? Does anyone have advice on a better way of handling the gathering of two pages of form input then using it to create a text file? The user would need to be able to flip back and forth between the form pages as needed.
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Nov 11, 2010
Just got my D2 yesterday after spending way too long with the Eris... so far I'm loving it, but I have one question: do everyone's phones seem to randomly open 10-20 apps in background at all times? These aren't even apps I use, like a Sudoku game I haven't tried once yet. I'm not too worried about it, since performance seems to be fine, but I'm wondering if this will affect battery life.
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Jun 10, 2010
I want to have a free version and a premium version of the same application. When people buy the application, I want them to be able to "upgrade" without losing their data, i.e. the premium version should install over the free version.I want to use the same code base and just switch a setting to build the premium version.
Andoid Market does not let me convert a free app to a paid app, so the trivial option is not available.I am curious if someone has tried this successfully. How does Android Market identify an application - will it think that the premium version is a different app and just install it in parallel?
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Aug 18, 2010
If "always on mobile data" is disabled, will this have any affect on programs that are set to auto sync with back ground data enabled(Face book, twitter etc)? I'm trying to work it out but lots of people say different things?
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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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Apr 6, 2010
I just recently bought a Motorola Droid, and I was pretty shocked at how quickly the battery ran out of juice. I looked around on the net and found a tip that said to turn off the Background Data option, so I did that, but I find this to be a very convenient feature. I'm just wondering if there's some sort of app or widget that will let me quickly toggle the Background Data option on and off for a quick sync to push all of my stuff in whenever I want it.
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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 9, 2010
I have a Milestone running Android 2.1
Initially, battery life was terrible, so bad I was considering returning the phone: with only K-9 email imap idle push email on in the background, and auto-sync off, I could get barely 7-8 hours of battery life, whereas with the Nokia e71 and Iphone 3gs I would get at least a day and a half, with comparable usage (push email, ca. 20 emails a day, 30 minutes of web browsing and 20 minutes of calls a day).
I then disabled background data, leaving the k-9 push email on, and now I get 2 days of battery life!
This is great, of course, but it also raises another question: what on Earth was going on in the background that was draining the battery? Thoughts?
Specifically, if you're interested in replicating my settings: I used 'any cut' to create a shortcut on the home screen to: settings -> account & sync. Once I untick 'background data', I can still use k-9 email, the browser, maps, etc, i.e. data-on-demand, if you will.
If I want to access the market, I enable backgr data again. If I want to sync contacts and calendar, I enable 'account sync' from the power control widget (which enables background data, too), and then, once done, I disable background data and account sync.
In k-9: menu -> folder list -> account -> settings -> background sync -> always. This way imap idle push works even when background data is off.
I then have a remember the milk widget (but Astrid is a valid free alternative) with manual sync, and a pure calendar widget with, again, auto sync off.
This is the best battery life I have ever had from a smartphone! But I am also curious to understand what was using data in the background and draining the battery so much... Having account sync off is a deal breaker for some, but for me it's ok: I don't update calendar and contacts every second, so the trouble of pressing a couple of buttons every now and then is well worth the extended battery life.
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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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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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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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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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Aug 1, 2010
PLEASE USE YOUR PHONE FOR FEW DAYS AFTER UPDATING BEFORE VOTING OK so it's early days yet, I'd be interested to hear if the Froyo update has improved your battery life? Or worsened it. Post when you have some results to share.
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Sep 27, 2010
We've all heard the horror stories (I just bought my Desire and the battery lasts for about 4 hours!) and the fanboy wankery (I get at least 3 days of heavy use!) So today I unplugged my Desire at about 6am and set off for work. It's 7pmish now and here's some stuff you may like to look at. I have 3G disabled, Sync on manual, no "live" widgets (just WiFi and bluetooth) live wallpaper (nexus) and screen brightness on auto. Here's the battery status (rounded up from 25% according to Battery Info in the Testing app)
The breakdown of usage:
My phone was idle for 9 hours and 45 mins:
The Display was on for a mere 2hours and 46 mins
With only 1.5 hours of WiFi:
And 30 mins of calls:
So, that'll be less than 3 hours of usage.
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Jul 6, 2010
Who will take the battery life into consideration when buying a phone? In my opinion, most people who look out for phones do not consider battery life, most would consider stuff like technology, physical looks etc., but not battery life. Even if there are people who consider battery life, those are just the minority. Hence there are lots of controversy regarding the battery life. Most might agree that the battery is just right, however it is no surprise if people complain about battery life running out too quickly. Is technology improving but not batteries? It seems like phones are getting better everyday, but the battery life has like been stagnant.
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May 22, 2010
I've been eying the HTC Desire for a few days now. One thing that bothers me is the battery life. If I buy this (or any of these battery hungry phones) is I have to be prepared to charge it.
1) The phone does not seem to come with a cradle. There seem to be a few after market cradles out there, are they all created equal? Do any of them work better than others? For example, do all the cradles do usb sync and recharge the battery?
2) How long does it take to recharge the Desire from fully flat?
3) I have not physically used one of these phones. All the stores have only a plastic mock-up. Can someone tell me if the sort of multi-touch that the iPhone has where you can zoom in on a map or web page by opening it with your fingers or using two fingers to scroll around a page? If not, is there some easy way to add this capability with some add-on?
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May 30, 2010
have been a nokia man for years now,but saw the desire once in a vodafone store,and loved it!!only issues just now are the battery life,and the video camera.took a video of our pup,and it was"jerky".was'nt in low light or anything.so tried another video in an even lighter area,but was the same.is this a software issue or are there settings to cancel this out?
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Aug 2, 2010
Anyone finding their Desires battery life has decreased with Froyo installed? I used to only go into the orange after a full day at work, now my battery died at around 12 Midday (Unplugged it 5 hours before) - I haven't been playing around on my phone or anything, this is just idle use.
Went through all my settings and all were the same as before. I'm NOT running any Task Killer or AutoSync software. Running stock OTA Froyo, never routed my phone before or after.
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Aug 5, 2010
Well as the title says froyo has destroyed my battery life , i have 2 batterys and have tryed factory wipe , neither of my batterys since upgrade will last longer then 8 / 9 hours before i was getting 36 hours gutted wish i dident bother with upgrade ...... feel like my phones been ruined as 8 / 9 hours is just pathetic , i was curious if anyone else has experiance this ?
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Aug 20, 2010
Can anyone give me an idea what sort of battery life to expect from my Desire if its in plane safe mode being used purely as an MP3 player? I'm off on holiday on Sunday and was contemplating leaving my iPod at home and loading my Desire up with tunes and using it during the day when I'm lounging in the sun.
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Apr 19, 2010
I got the fantastic Desire friday and I'm really enjoying it so far coming from iPhone and Hero.
Unfortunately I've run into a little issue: Up time and awake time (in Settings>About phone>Battery) are almost the same, meaning that the CPU never correctly throttles down when the phone is asleep. This is causing battery life to be rather short - On average I get 10-15 hours out of the phone with moderate settings.
By going to the battery info console (type *#*#4636#*#* in dialer) I managed to figure out that the calendar in some way is running and preventing the phone from sleeping (Partial wake in top dropdown). I did a factory reset and it hasn't seemed to help. There are 2 calendar related apps running: Obexservice and connectivityservice.
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Apr 3, 2010
With OLED, does a black or dark wallpaper mean battery life is saved? Or is it the same as LCD where any colour uses the same power.
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