HTC EVO 4G :: Need Reason For Instant Drop In Battery Life
Jul 3, 2010
Ever since launch, once I unplugged the phone, it would drop to 93% within 10 minutes with me doing nothing.so i did everything suggested and nothing worked.. HTC charge trick, format SD card in reader, in phone, in computer.. nothing. before and after the firmware update.. same thing..so i got fed up a couple days ago and took the SD out of the phone and left it out.with the SD card out of the phone, it stays at drops only about 100% for at least two hours.. as a matter of fact, it still shows 97% after unplugging before going to bed last nigh.I have a SAMSUNG branded micro SD card, my hardware is v3.
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Mar 1, 2010
On the ERIS is there any instant messenger client that doesn't drain the battery excessively ?
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Jan 9, 2010
I've been reading about the Eris battery life issues on this and other forums. Even with all the tweaks that users have applied to it, the Eris continues to have a rep for bad battery life. Its a bit odd that the Eris gets worse battery life than the Moto Droid which has a larger screen and more processing power, don't you think? I've also read that Eris reception is not that great, that the Droid gets 3G reception when the Eris can't etc.
These issues (battery life and reception) lead me to wonder if they are related. Perhaps the Eris has a weak antenna, or bad antenna placement? This would lead it to have worse reception than other smart phones and also worse battery life because it would have to apply more juice to the antenna to reach the cell phone towers. I've attached a poll to see if there is any correlation between bad battery life and bad reception.
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Oct 4, 2010
I did unrEVOked 3.21 and applied OMJ's 2.2 netarchy kernel ROM. I am not sure what my battery life was at this point but I was now on 2.2 after using eclair 2.1 for so long. I wanted to go to the new stock kernel so reupdated to OMJ's stock kernel 2.2 ROM. I also added back the Sprint TV Widget. Ever since, I have noticed a major drop in battery life. I usually get 30-40 hours on a single charge. Now I'm down to about 10. It is REALLY screwed up. I have CWM backups of all of the phases, including my 2.1 ROM. I might experiment rolling back if nobody else has any better ideas on how to debug?
I am using ATK but I make ATK kill itself so it is only there to help me kill procs. I noticed QIK and FRING seem to run all the time now whereas they didn't before I updated them. Not sure if that is related. TOP app shows me nothing special but system_server taking up most of the CPU like maybe 6% peaking while idling. Otherwise I just can't figure it out!! I used to be the one bragging about how awesome my battery has been (running original OTA1 which let me still use unrEVOked 1.0 to get simple root all this time). I am finally on 2.2 and I'm disappointed with battery life now. WiFi is WAY better but that is about it. My Nexus One does not suffer from 2.2 battery blues.
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Oct 24, 2010
My sgs recently had a HUGE drop in battery life.Last night it was at 75% when I slept and this morning it was at 17%
And over the period of less than 1 hour is at 10% currently. Code...
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Jul 23, 2010
If you're like a lot of Android users, you're obsessed with battery life and probably require a percentage widget. If you don't use a battery life widget, this probably isn't for you. I used to use Curve Fish's battery life widget which, in my initial testing months ago, didn't seem to affect battery life so I kept it and didn't think much about it.
My brother-in-law showed me a percentage indication that goes over the battery icon in the status bar on his Evo 4G. I found this hack for the Hero:
[PORT] Display Percent Battery Left within Battery Icon - Fresh 2.1.2+ - xda-developers
It adds the percentage remaining on top of your existing battery gauge in the status bar. Yes, root is required for this. At the time of writing this, I am at 14h 20m since unplugged and have 69% remaining. I would typically be between 47-53% remaining by this time. That equates to 3.5% drain per hour improved to 2.2% drain per hour. Which then comes out to around 60% increase in battery life without the loss of any features.
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Jun 1, 2013
Just recently, my captivate battery has been draining very fast. I've been going from 100% to 0 in about 8-12 hours. The main battery consumer is Android System. There are no processes that are keeping the phone on according to BatterBatteryStats. I loose about 7-8 percent every hour while it is in idle/deep sleep. If I enable the extreme setting on Juice Defender, it bumps up the battery life to about 45+ hours. But if I use juice defender, sending and receiving mms is very difficult. I tried it on another spare battery and it gave me the same results. This problem started earlier this week and was present when I first flashed a ICS rom back in June and hasn't gone away yet. I did not change any settings or flash anything new to my phone. One day it suddenly went from 100% to 40% in 5 hours and after I rebooted it dropped to 5% in a matter of minutes. I recalibrated the battery but that did not do anything.
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Jul 11, 2010
How much time it takes for your battery to drop 10% when you're on 4G doing no downloads, no streaming, no Youtubing, nothing? In my case just 30 min. Complete discharge in approx 4 hours The temperature is very hot too. Do not put it under the pillow.check it out, this is ultimately just a 30 min test, and post it here (say to voice dialer "Open battery Info" for battery numbers and temperature instead of bars)
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Sep 17, 2010
Charged my desire all through the night and unplugged this morn to check emails and surf web via wifi. must of been online for 5-10 mins and the battery had dropped to 91%. is that normal?
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Jun 22, 2012
I am experiencing massive battery drain from *wakelock*/mediaplayer while music playback.
For now, i have tried everything:
- full wipe
- music playback on fresh wiped rom
- formatting sdcard / internal storage
- disabling media server
- debugging with logcat
- ...
Currently, the mediaserver drains more power then any other process, including screen. The phone gets not hot, but warm while only playing music with screen off. That was not happening before, as i listen music daily.
After all, the problem is most likely caused by a corrupt file, but how can i locate this file ? I have 2300 mp3s on my phone, so testing every single one would be a bit complicated...
GT-I9100
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Jun 28, 2010
In my case, I think the charger that came with the phone is not charging the battery properly. Last Friday I left the Evo charger at work and had to use a Nokia charger to charge the phone. The usage was the same, but now my battery doesn't seem to have the initial percentage drop and seems to last longer. Also, it charges bit faster (I know this is not great for the battery). Will do more testing.
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May 6, 2010
Just wanted to get some opinions here about my battery performance to help determine if it's defective and to see if I should return the phone for a new one.Whenever I charge my phone, it gets all the way up to 100% (obviously), but after I unplug the phone the battery will drop down to around a 90% charge level 5 minutes after unplugging it. And that's with no usage at all. I simply unplug it, turn off the screen, and stick it in my pocket. Mobile network is enabled, but bluetooth, wifi, and gps are all off and I don't have any crazy apps running that are draining the battery. Within an hour (with little or no use), the battery will then usually be in the 75% range, sometimes a little lower. I don't think I've made it past 11 or 12 hours yet without the battery dying, even though my usage is pretty light. Any ideas on what is going on? Do you think the battery is just a junky one or is this normal behavior for the phone?
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Feb 23, 2014
I have a problem with the battery percentage of my device, it drops from 60% - 15% but after i reboot the device it goes back to 60% and rapidly decreasing by 1% per minute until it reaches 1%. Even if it's on 1% the real charge of the battery is still there, it last for almost half a day, i just wanted to know the real charge of my phone. I don't know how to fix this i already tried calibrating but it doesn't work. I also tried using new battery and flashing to stock rom but the problem still exist.
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Jul 9, 2010
Its crazy how much juice surfing the web takes up. Im sitting here surfing the web watching the battery meter drop atleast 3 points every 5 minutes.. Not ranting.
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Jul 21, 2010
Anyone seeing an issue where they charge to 100% percent overnight, pull the phone off the charger and see a very quick drop to 90%?I know the HTC Evo had this problem, and it seems like my phone is doing as well.I charge it all night, pull it off the charger and surf for like 10 minutes and the battery level plummets to 90%.Its interesting to note that if you charge the phone to 100%, turn it off and charge it, the battery indicator will display 90% and take about 10 mins to get to 100%.you then turn it on and charge it, the battery will be at 90% and will take another 10 minutes of charging to reach 100%.This is basically the HTC charging trick. After doing the charge while on/charge while off cycle several time, the battery will truly be at 100%. The problem is, I dont really want to do this every time I charge my phone.
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Apr 12, 2010
The internal meter says it is due for charge long before its out of juice. Battery Left widget will give accurate voltage levels, but it too is fooled, even after proper calibration.
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Aug 12, 2010
does battery status pro drain your battery life?
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Apr 14, 2010
I'm running NexBeast ESE81 OC'd to 1100mhz (Running idle around 23c). I've had no issues whatsoever and, in fact, have been on this ROM since the day it was released (a record for me). However, this morning my phone was fully charged and sitting on my desk when it suddenly dropped to 5% charge. I panicked, rebooted the phone, and it now says 70% charged. What could have caused this? I searched and found someone had a similar issue but no one seemed to know a fix. My phone is running fine now, but I want to avoid further issues.
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Nov 18, 2009
Does anyone else find that their battery does best at like 60%-70% charged and when it gets below 40 it moves a lot quicker? Also I've done 3 full drain and full recharges so far and my battery has improved sloightly each time, do you reccomend I do it again or is that just bad for the battery?
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Mar 16, 2010
Background info:
- I'm running the "Battery Left" widget and I have it displaying "estimated percentage left", "system percentage", and "estimated time left until dead".
- I listen to A LOT of Slacker Radio.
My issues:
- I was previously getting about 19+ hours out of a fully charged battery. 2-3 days ago I started having issues with the widget (I think it may have started when I installed an update to the widget) so I recalibrated it to no avail. Then I uninstalled it and reinstalled it. Within a few hours it claimed that it was getting accurate readings (when I first installed the widget weeks ago, it took days to get accurate) and now says that I should be getting 9 hours out of a fully charged battery. I know that can't be right so I'll see how the widget adjusts itself over the next few days, but, any thoughts? (I know a lot of you guys use the same widget and know how it works...)
- Also, In the first two hours of my phone being unplugged this morning, it went from 100% to 70%. I did run Slacker for about an hour and a half of that time, but could it really drain the battery that much that quickly? And I noticed that when I close Slacker, if I go into phone settings, applications, running services - there's still a Slacker update thing running in there. Could that be draining the battery too, even if it's only checking for updates?
- I really don't run a lot of stuff on this phone. I keep wifi and gps turned off. I use bluetooth only a few hours each night. Minimal web browsing. Although, my POP email gets checked every 5 mins (but I just changed it to every 10) and I do use gchat and text a decent amount, but I'd say overall, it's "light" use (except for Slacker which could be a huge drain, right?)
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Jun 23, 2010
My battery life was bad, but it was OK, but in the past few days my battery life is 10% per 30minutes(Just over 5 hours on a charge).I used to get 8-10 hours on a charge.I noticed last week that while it was charging the status of the battery was "Overheat".I think I somehow cooked the battery?I use TaskKiller and kill 95% of apps automatically, I have bluetooth,wireless,GPS disabled and the screen dimmed.I have not changed or installed any new apps.I have not changed the way I use the phone at all.My battery was dead, 0%, and it charged to 95% in about 45 minutes.Is this even possible?In fact in the past two days I have not gotten the charge above 95% at all.
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Jul 20, 2010
Thinking about getting the extended battery for my new htc incredible. Just wondering how long the battery lasts when you use the phone. Not just standby?
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Sep 24, 2010
Does anyone know which Sense ROM out there to use that has the best battery life? Or is there a Kernel? I currently am rooted with stock. I only rooted for wireless tethering and now I just want a ROM to have great battery life. Managing this battery has just become tiresome even with all the chargers I have. Not looking for tweaks and settings changes, just need a good ROM.
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Nov 5, 2010
so iv been using kik on my evo recently.i noticed it KILLS my battery BIG TIME. the mobile network has to be on to use kik and it just drians my battery like no tomorrow.
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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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Jun 28, 2010
I can last a good 15 hours and still have like 50 percent. But when I don't use it the battery drains and barely lasts a day. I've been hearing that app killer is bad but if I don't use it I have no battery.
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Jul 1, 2010
For those few whose battery life is actually not as good post-update have you figured out why yet? This is my first full day after doing the update last night and the battery is draining faster than it did before (even in standby). All settings are the same as before and I started with a 100 percent charge this morning. I am now down to 64% after 7 1/2 hours of light use. While that may sound like an improvement for some it actually isn't for me. Not a deal breaker but I would love to get my excellent battery life back (24-36 hours -- yes I am a light user especially when I am home a lot, which I am in the summer). The only thing different that I can see is that google talk doesn't stay disabled like it did before. Wifi is way down on the list of things using the battery and nothing seems out of place or not sleeping properly.
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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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Jun 11, 2010
First off, I didn't "find" this method on my own someone else did, I found it burred in other posts but it does seem to work for me. There are two ways to do this. One required you to dial a code into your dialer which I'll skip because the easy way is to just go to the Apps Market and get "Network" which is free. Then once you have it installed fire it up and scroll to the very bottom where you will see:
Set preferred network type. This is the VERY top option. If this is your first time running "Network" it's probably set to "GSM auto (PRL)".The problem here I've read is that Sprint does not have GSM networks so the phone keeps "searching" for GSM signals and it never truly sleeps. It might apprear to be sleeping but it's not, it looking for GSM signals.That said, change the setting to "CDMA auto (PRL)" which will set the phone to CDMA only and it will STOP looking for GSM networks and to go sleep like it's suppose to. That's if you have nothing else installed keeping it from sleeping.The only catch is, the setting does not appear to stick. If you reboot the phone, you have to restart "Network" and redo the setting. One thing to note is when you redo the setting, it will SAY it's still set to CDMA auto (PRL) but in fact it is not so just re-select the setting and close out of Network.I took my phone off the charger at 10am this morning and I've been using it on and off all day to send texts, Youtubed a couple video's made a 30+ minute call and a few other odds and ends. Normally I would have had to charge my phone again at least once threw out the day but I've NOT put it back on the charge since 10am and I was still at 83% power when I left work at 5pm.
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Aug 6, 2010
First off, let me say that I love my EVO BUT as an ex-Hero owner, I am pretty much done with Sense. I am simply tired of the colors and layout. Although, HTC has figured out how to make a mighty fine bookmarks and calendar widget.I have tried LauncherPro and ADW but as most EVO users, battery life is a constant worry.Can anyone spell out how launchers and Android work battery wise? I have read that Sense is never really replaced so there would be an additional drain using launchers right? No offense but please abstain from any root related suggestions like 'just root it bro'
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