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It is still a ridiculously quick and awesome phone though! I went from a Nokia 5800 XM to a SGS2 and the battery life isn't that bad. I've had the phone last

by flexd 15y ago

It is still a ridiculously quick and awesome phone though! I went from a Nokia 5800 XM to a SGS2 and the battery life isn't that bad. I've had the phone last like 24h with decent usage (meaning it was one of the first days I had it). Do you really expect to get more with a smart phone these days? I don't know how long the iphone 4 lasts but my friend that has one seems to be charging his every day. Hardware-wise it's a great phone and in the future the updates will come :-) I personally have no problems recommending this phone to anyone because regardless of it's issues it's still a very good phone.

kevingadd 15y ago
The battery issues are, oddly enough, specifically regarding idle use - the phone fails to disable wifi when going to sleep and sometimes interrupt handlers that run while the phone is asleep cause it to wake up and peg a core at 100% utilization, killing the battery. The phone's battery usage while not asleep is actually quite good! And if you disable WiFi, it's less likely you'll hit the bug. But it still happens to me a few times a day, so I have to charge it daily even if I'm not using it - and that's frustrating.
- therockhead 15y ago
  I have a GS2 for the three weeks now and havent seen this issue.In fact, I think the battery life is a lot better then my last phone which was a IPhone 3GS. Is this a common bug?
- breennoopia 15y ago
  Is this also true for Samsung Google Nexus S? I intend to buy Samsung Google Nexus S in near future.
  - flexd 15y ago
    Being Google's flagship phone it probably gets a lot more updates directly. :-) I was considering the Nexus S but ended on a SGS2 because the price here is pretty much the same and the SGS2 is much better.
- flexd 15y ago
  I used wifi all day at work the past weeks without much problems, but I can understand your frustration if it suddenly eats up a lot of power. After 7 hours idling today my phone is at 81% battery now, but I have only been on the phone for like 20 minutes earlier today so "Android OS" and "Voice calls" have about 25 minutes of cpu usage each, while maps has 15% today for some reason. My phone runs stock samsung android since I just got it: Android 2.3.3 GINGERBREAD.XWKE2 Linux Kernel 2.6.35.7
MrVitaliy 15y ago
Some of my buddies who have Android phones claim that poor battery life is due to the cheap background apps that come with the phone and run all the time in background. Even after those apps are killed, within few hours they respawn and keep hogging the holy electric juice. Can you post a list of your default, background processes and idea on their CPU usage?
- flexd 15y ago
  Currently I have the following services/processes running in the background: 3G watchdog Bump Spotify DRM Content Software update Android system Task manager Voice commands Digital Clock Social Hub Social Hub (again, different icon) Accuweather widget Google services Maps IMEITracker Wi-fi sharing Email Vortex Galaxy (live wallpaper) Samsung keypad Currently using 217MB ram total. I have never used/not configured the following things: Social Hub Voice commands Email (besides Gmail but that is not what is running) I haven't used maps today but I have not rebooted the phone since I did a few days ago so it might be stuck from then. As for the CPU usage I am not sure since it does not show cpu usage for services as far as I can tell. As for applications I can think of that would require background services or cpu usage in any other way: Bump Notifo (for awesome HN notifications among other things) Weather widget Gmail Dropbox Facebook Twitter Skype It would probably be nice to find a way to either turn off Social hub (which comes with the phone) or replace the other applications with that. I didn't feel like setting it up so I just went with the normal Facebook/Twitter applications/widgets. Actually considering removing them both because really they don't really add anything to my life besides making it easier for me to write random thoughts and things on my wall/timeline and there are too many people broadcasting their every move already. I should probably mention I do use power savings mode all the time but that simply turns off wifi/gps/stuff whenever it's not needed which I think should be default anyway. Eek! This reply turned out huge :|

by flexd 15y ago

kevingadd 15y ago

The battery issues are, oddly enough, specifically regarding idle use - the phone fails to disable wifi when going to sleep and sometimes interrupt handlers that run while the phone is asleep cause it to wake up and peg a core at 100% utilization, killing the battery. The phone's battery usage while not asleep is actually quite good! And if you disable WiFi, it's less likely you'll hit the bug. But it still happens to me a few times a day, so I have to charge it daily even if I'm not using it - and that's frustrating.

therockhead 15y ago
I have a GS2 for the three weeks now and havent seen this issue.In fact, I think the battery life is a lot better then my last phone which was a IPhone 3GS. Is this a common bug?
breennoopia 15y ago
Is this also true for Samsung Google Nexus S? I intend to buy Samsung Google Nexus S in near future.
- flexd 15y ago
  Being Google's flagship phone it probably gets a lot more updates directly. :-) I was considering the Nexus S but ended on a SGS2 because the price here is pretty much the same and the SGS2 is much better.
flexd 15y ago
I used wifi all day at work the past weeks without much problems, but I can understand your frustration if it suddenly eats up a lot of power. After 7 hours idling today my phone is at 81% battery now, but I have only been on the phone for like 20 minutes earlier today so "Android OS" and "Voice calls" have about 25 minutes of cpu usage each, while maps has 15% today for some reason. My phone runs stock samsung android since I just got it: Android 2.3.3 GINGERBREAD.XWKE2 Linux Kernel 2.6.35.7

MrVitaliy 15y ago

Some of my buddies who have Android phones claim that poor battery life is due to the cheap background apps that come with the phone and run all the time in background. Even after those apps are killed, within few hours they respawn and keep hogging the holy electric juice. Can you post a list of your default, background processes and idea on their CPU usage?

flexd 15y ago
Currently I have the following services/processes running in the background: 3G watchdog Bump Spotify DRM Content Software update Android system Task manager Voice commands Digital Clock Social Hub Social Hub (again, different icon) Accuweather widget Google services Maps IMEITracker Wi-fi sharing Email Vortex Galaxy (live wallpaper) Samsung keypad Currently using 217MB ram total. I have never used/not configured the following things: Social Hub Voice commands Email (besides Gmail but that is not what is running) I haven't used maps today but I have not rebooted the phone since I did a few days ago so it might be stuck from then. As for the CPU usage I am not sure since it does not show cpu usage for services as far as I can tell. As for applications I can think of that would require background services or cpu usage in any other way: Bump Notifo (for awesome HN notifications among other things) Weather widget Gmail Dropbox Facebook Twitter Skype It would probably be nice to find a way to either turn off Social hub (which comes with the phone) or replace the other applications with that. I didn't feel like setting it up so I just went with the normal Facebook/Twitter applications/widgets. Actually considering removing them both because really they don't really add anything to my life besides making it easier for me to write random thoughts and things on my wall/timeline and there are too many people broadcasting their every move already. I should probably mention I do use power savings mode all the time but that simply turns off wifi/gps/stuff whenever it's not needed which I think should be default anyway. Eek! This reply turned out huge :|