Samsung I7500 :: Another Possible Draining Battery Cause
Nov 24, 2009
Battery life issues for me are over. In the beggining I would be happy if the battery lasted for 2 days. Now I can have my phone always on for 7 days straight, that is 168 hrs (when using very limited wireless data connectivity of course), thanks to Galaxhero and some other tweaks.But anyway, lately I've been doing some tests regarding Google Latitude. I suspected that Latitude was messing (not just) a little bit with the battery life.So, yesterday at 9AM I unplugged the fully charged phone that had the Latitude feature on. Result: at 5PM the battery was at 90%.Today, I decided to turn off Latitude (leaving the rest of the configurations intact) and unplugged the fully charged phone again at 9AM. Result: it's 5PM and the battery status is at 100%.
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Aug 3, 2010
The last day or so after charging my phone to 100% overnight (phone is on when charging) and then putting in standby mode I'm losing like 5-7% of battery every hour.Over the weekend I was losing just 6% every 9 hours in standby mode. Today in 4 hours time I'm down to 65% already with mostly standby mode and a few minutes of browsing. I even had JuiceDefender installed since last night and it's not helping at all.To me it seems that something is in the background that is draining the battery though I when I check running services I don't see anything that shouldn't be there. When I was losing only 6% every 10 hours I did have a live wallpaper, weather/clock widget, and task killer. I didn't change anything on the next charge and now I'm constantly losing battery even in standby mode.
I have Wifi/GPS/background data off, brightness at minimum, no animations, etc. So pretty much followed all the battery saving pointers. I thought it was working good when I got just about 36 hours over the weekend with standby and moderate usage. So I don't know what has happened to my battery all of a sudden.The two times that I have managed to do 30+ hours on a single charge I had Advanced Task Killer running.However, even after doing 36 hours on one charge the next day even with ATK the battery started to drain a lot every hour in just standby. Anyone else having similar issues? I don't know what else to do at this time. I've uninstalled many of the apps thinking it might one of them causing the issue, but still having issues.
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Jul 16, 2010
Battery is draining fast on SGS. comes down from full charge at 4 am to 70% by 8 am without any usage. During the day will have to charge it twice. Any possible causes or tips to manage it? am on EDGE with air-tel but use wi-fi mostly.
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Sep 5, 2010
I'd like to thank the people over at XDA.I think they may have found the culprit for the horrible battery performance some of us are seeing. There are two threads of interest over there:Time without signal > 50% - xda-developers Wow battery from 100 to 10 in 3 hours xda-developers.The short of it is that the 3G signals don't stay locked and the phone keeps hunting.If you go under the battery life settings and click on "Cell Standby" there's a field for "Time Without Service".Mine and many others were hover around 50%.This is constantly draining battery even while you do nothing.So the temporary quick fix is to turn on Airplane mode, then turn it right back off.This fixes some incorrect setting.On my phone, Time Without Service dropped from 52% last night to 0% today.And my battery only dropped about 9-10% idling over night.This is MUCH better than the 30% draining overnight I was seeing over the past few days.
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Dec 2, 2010
I noticed this today, I use my phone to USB tether, and after coming home from running errands today my phone was at about 80% battery life, so I put it on the USB cord that it came with and connected it to my computer so I could check email and facebook, etc. Well after a few hours I took my phone off the charger and the battery had dropped to 40%. How is this possible, I know tethering uses power from the phone, but if its connected to the computer and charging as well, why is it still draining my battery? my droid never had this problem and i tethered all the time, is it possible that I have a bad battery?
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Aug 9, 2010
I went to bed at 1am and woke up at 10:20am. My battery was at 65% before bed and 44% when I woke up.
I killed all tasks with advanced task killer as I do throughout the day as well. I don't use the email program on my phone nor do I get any notifications for any other programs. My Wi-Fi sleep policy is set to never because I have Wi-Fi at home. Brightness is at a low setting too. So, any ideas what would be draining my battery during the overnight when I'm not using my phone? I don't have problems during the day when I use it.
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Nov 18, 2010
Since I got my Captivate just a couple of weeks after it hit the market, I experienced really good battery life. I could plug the charger in at 6:00 when I get up, take it off the charger at 7:30 when I leave for work, and make it til the next morning most days.A couple of weeks ago, I left for work with a full charge, and around 11:00 I took out my phone to test WiFi coverage for some new access points we had installed in the office. The phone felt very warm, and the battery indicator was yellow. For the next couple of days it went like this. I had a spare Samsung battery from when AT&T sent us a new one for my wife's Captivate when she was having random shutdown issues, so I swapped batteries. Things were fine for 10-11 days. Then suddenly last evening about 7:30, when I went to look something up online with my phone, it was very warm again, and the battery indicator was red. Had to put it on the car charger when I left church.When I got home, I put it on the charger all night. By midday today, it was in the yellow, and it finally died about an hour ago. again the handset felt very warm. I don't have a spare USB cable here at work, so will have to wait to get home to charge it. Anything particular I should look for on the phone (running apps, etc.)? Or do I just need to go ahead and place a call to AT&T support?
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Nov 17, 2010
I just rooted a few days ago. Put a custom ROM on it (KaosFroyo v38). Ever since I rooted my battery dyes in about 3 to 4 hours. My phone says its awake 99.9% and the android OS is using 40-50% battery. Is it possibly the ROM? If so how can I change to a new one? I have a Droid Eris.
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Aug 7, 2010
I got my Captivate about a week ago and some far I am liking it a lot. However, I thought I was having some battery issues, as my phone is draining faster than my brother's iPhone.
Using one of the battery status widgets, I've noticed that my batter drops about 1 percent for every text that send and receive (send one text+receive one text = 1% drain) meaning that I'd only be able to send about 100 texts in a day on a full charge. Most days I don't reach that but there are some days which are pretty text heavy. Is this a normal rate at which the battery should be draining for doing something like that? I am using Juicedefender and Advanced Task Killer to monitor what is going on, and the only widget I have running is Fancy Widget.
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Nov 12, 2010
I've been getting pretty good battery life (about 14-16 hours on average) when I use the airplane mode trick and kill the Media Hub service. However, my phone has not been able to sleep since the past 2 days and the battery is draining quickly.
The up time indicates that the phone cannot go to sleep. I'm just surprised because I haven't changed any of my phone settings so I don't know why this is happening. I uninstalled the last app that I downloaded and that didn't help.
Should I try doing a hard reset? Are there any apps that will specifically tell me what is keeping the phone awake?
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Dec 1, 2010
After noticing my battery was draining quickly, and then after reading this thread, I installed Android System Info to see what was draining my battery so fast. I notice that whenever I would turn on WiFi, the phone will never go to sleep , regardless of what I set the WiFi sleep policy to. After turning off WiFi, the battery still drains heavily.
The WiFi will shut off after 15mins (if you set it to "When screen turns off" or "never when plugged in"). However it seems to keep the CPU on causing it to drain down the battery.
It would seem that whenever WiFi is enabled, the Android system process creates a partial wakelock that does not go away even if you turn off WiFi. The only way to resolve this is by powering off or rebooting the phone.
You can verify this in Android System Info by going into Battery-History-Other Usage-Partial Wake usage to see how much time the "Android System" process holding a partial wake.
I even did a factory reset on the device; and it is still happening so it doesn't appear to be any app that caused the issue. As I said, it works fine as long as I don't enable WiFi.
I already know of two users having this issue, but I'm wondering if folks having battery problems are going through this as well. Is anyone else having similar issues after using WiFi? I'm hoping someone will be able to identify what exactly is putting the wakelock on and we'll be able to find a fix for it. Other than not using WiFi at all or rebooting the phone after using Wifi.
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Sep 13, 2010
I connected a usb cord that came with my galaxy, to the front usb ports of my new computer. I built it myself but i think i connected the from case usb cords wrong to the mobo or may be the mobo is defective. My phone turns off as soon as i connect it to the usb cord connected to the front. Could the battery be screwed? My phone still boots up, it just doesnt charge as fast. If not at all i left it connected to the wall charger all night tonight and it was only half charged by morning. Should I just order a new battery off ebay for my galaxy?
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Apr 19, 2010
For some reason my battery is draing QUICK in a couple hours goes dead, thinking must be some bad app? I deleted a few of the last apps I installed but it could be an update, wish it was easier to solve, but now Media is my number one battery usage, even after I uninstalled a couple new apps.
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Sep 26, 2010
Anyone know if that battery used in the i7500 is the same/interchangeable with batteries used in any other Samsung phone?
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May 13, 2010
There's a battery use widget which is actually a shortcut to a menu (or a hidden menu, i didnt find it anyway) that shows the percentage of the battery that every process used.
It shows me:
Android System : 70%
Cell Standby : 14%
Phone Idle : 14%
Android OS : 2%
Anyway, no matter what i do to my phone - running 1.6.3.1 , with APN on, sync off, wifi off, gps off, wireless networks off, around 30 minutes of accessing the network and 30 minutes of calls - the battery almost dies at night.
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Dec 14, 2009
My battery is alright, and can last almost 2 days, but while from 100% to ~40% it drains 'normally' , from 40% to 0% it drains real fast - about 20 minutes phone call.
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Nov 14, 2009
I've come up with an idea for a battery status indicator application. On my old Windows Mobile phone I had an application(abcPowerMeter) which could show the current power consumption of the phone. Like this: If we can get this on the Galaxy, then it can be coupled with the existing battery status information to give a pretty good estimate of how long the battery is going to last under current load.Instead of showing a notoriously unreliable and counterintuitive green bar the phone would show something like this in the tray.
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Mar 3, 2010
Stock battery indicator in the status bar was bugging me, since it was constantly showing more charge than all other battery apps (widgets, Spare Parts). After looking in
/system/framework/framework-res.apk/res/drawable/stat_sys_battery.xml
I could see that Samsung changed battery level thresholds compared to other Android releases (sources found on net). I have made a mod which changes the levels to the ones in the right column (source). Tested only on this 1.6 firmware: Baseband version I7500XXJB2, Build number Donut.XXJB6. Do not change /system/framework/framework-res.apk directly, the phone might not boot if it is not signed again after changing! Make all necessary backups!
You will need Metamorph to apply it, but since we have only 1.21 MB available on /system partition with this firmware, we will have to move Maps.apk to /data/app. The procedure (if you are not sure what each step does, do not proceed):
1. root the phone
2. copy busybox to /data/local/bin and give it execute permissions
3. install Metamorph from the Market
4. mount /system as RW (via "Root explorer", for example)
5. Run Metamorph. It will check for necessary files, and copy zip to /system/bin/zip. You can move it to /data/local/bin/zip to save some space on /system, and create symlink with this: ln -s /data/local/bin/zip /system/bin/zip
6. copy attached Galaxy-BatteryFix-v1.0.zip to /sdcard/AndroidThemes
7. move /system/app/Maps.apk to /data/app. It seems that Maps work fine from that location, after reboot.
8. apply theme from Metamorph
9. reboot
If you have problems with Metamorph and copying zip app, run this command:
ln -s /data/local/bin/busybox /system/bin/cp (after renaming /system/bin/cp to cp.old).
To restore the original, use Galaxy-BatteryFixRestore-v1.0.zip.
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Mar 12, 2010
Almost 8 hrs, I am seriously looking for the best way of utilizing i7500 battery. I got confused with many advise and setting. Could anyone give a brief of what the setup do we have in samsung?
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Sep 2, 2009
I seem to have disabled the battery percentage indicator that was previously displayed while the phone was charging. It used to say '95%. Charging' and now it says only 'Charging'. Does anyone know how to bring the percentage back? I have the H7 firmware.
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Apr 14, 2010
Is is worth buying one?
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Dec 4, 2009
New owner of i7500
1.Is there any other rom that unlocked Bt on i7500 so i can transfer data?
2.Any rom that runs faster and makes the battery work more?
3.Possible to r00t i7500 through mac os?
4.Best GPS navigator? i use Ndrive but it crashes very often (i suppose cause of the ram? )
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Feb 7, 2010
How do you handle the issue? it should be part of the os...
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Jun 8, 2010
what firmware is the best for long battery usage...
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Aug 10, 2010
I have downloaded a number of widgets and apps.is this the reason? Im using Tajm, BattStatt, 3g Watchdog, DroidStats, Internal and external memory notifications, retro clock.Ive got all of these as widgets spread out over the 7 screens.Also guys if your phone was not used all day and locked how much battery would you say would get used?
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Dec 16, 2009
After the ota update I went from getting full day battery life with pretty heavy usage to 10 hours. The update was supposed to improve battery life but it made it worse. I tried going a day without using home++ (home replacement app ) and my battery life went from 10 to roughly 36 hours!!! So if you are one of those people complaining about battery life after update like I was,and you are using this app try taking it off. hope this helps some ppl.
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Jun 28, 2010
My wife's phone has used almost 4GB of data this month and her battery has been draining much faster than mine, especially at night. Last night we watched in SystemPanel at the Net Receive indicator and it was constantly downloading at least 200+ kps. I had read about some issues with Facebook so we removed the Friendstream widget and saw the downloading go close to zero.
This morning, I checked the 8 hour monitoring in SystemPanel and saw that the CPU activity was still high overnight (running near 30%) and her battery drain was twice mine (over 13% used over ~7 hours, mine was around 5% drain).
I loaded up Spare Parts on her phone and was looked under Battery History, Network Usage and took this picture (sorry about the quality, her screen protector makes it hard to get a good picture and she is not rooted). Can anyone explain what UID 10006 is and why it is downloading so much data? I do not see it listed on my phone in Spare Parts. What do we need to do to turn this off or at least slow it down?
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Mar 18, 2010
Any idea how long the i7500 will last for video watching on a full charge?Also what firmware are you using?I've been debating on whether I need to take my phone in for battery replacement or not, but I thought that I'd check here first.
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Dec 8, 2009
How long does your battery last after "typical" usage? Everyone has its own special usage style, but just briefly say the recharging time, and what are used before charging.
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Nov 4, 2009
Since I recently found out a few culprits that were waking up my phone from sleep and they were not so obvious as to what they were here's a quick list of apps I have on the phone and it sleeps properly.48 hours after the last charge and I am at 65%! Overnight it drops by only 1-2%!The application that was waking my phone was TasKiller! I have since removed it.
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