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maemo.org - Talk (https://talk.maemo.org/index.php)
-   Nokia N900 (https://talk.maemo.org/forumdisplay.php?f=44)
-   -   N900 battery life questions, issues, scenarios (https://talk.maemo.org/showthread.php?t=31020)

Devil 2010-01-03 20:08
Re: N900 battery life questions, issues, scenarios
 
Quote:
Originally Posted by bugelrex (Post 451568)
Devil,

are you going to enable the special power-saving mode?

FYI. I did a similar test on a completely unmodified phone:
- No 3G, At&t GSM only (does not hunt for 3G), no WIFI at all
- logged in to gtalk, skpe via conversations
- Nokia Messaging check every 30 mins from 8am to midnight
- stock phone, nothing installed at all
- no other apps running

in 24hrs the battery had 28% left.

Contrast to the same test(as similar as I could) on the E71 (Using Fring for gtalk+skype), 59 hours to get to 30% left.
sounds a little power rangery the special power savings mode.

I have every option for power saving on and almost no apps installed. Even though installed if they dont run it wont matter (or i would like to believe this very bad because if so it would be a real shame) no weird apps, just vnc and fm radio player installed.

i am not going to degrade my own existence by switching to 2g only. emails do not automatically send receive and no nokia messaging or other background apps.

egoshin 2010-01-03 20:10
Re: N900 battery life questions, issues, scenarios
 
Quote:
Originally Posted by bugelrex (Post 450642)
Any idea why Nokia did not enable it? oversight, slow wakeup response or loss of functionality (what?)
I tried SmartFlex - my N900 got a 32wd_to reboot (see bug 6334) in 6hours then I played with e-mail client and it was a very first time after I purchased N900 at the end of November :( I think it can be an answer to your question.

egoshin 2010-01-03 20:19
Re: N900 battery life questions, issues, scenarios
 
Quote:
Originally Posted by Devil (Post 451573)
i am not going to degrade my own existence by switching to 2g only. emails do not automatically send receive and no nokia messaging or other background apps.
Set Automatic connection to your 3G provider, switch OFF-ON, after powering ON - kill WiFi by "stop wlancond", unload 3 drivers - "rmmod wl12xx", "rmmod mac82011", "rmmod crc7" and you would enjoy a 48h battery life (If you don't video, of course).

WiFi power drain is a cause of short battery life but not 3G. It looks like Nokia already fixed it ... but in internal release. Some people test it and reports a good results - see comment 58, bug 6615.

bbin 2010-01-03 20:24
Re: N900 battery life questions, issues, scenarios
 
Quote:
I tried SmartFlex - my N900 got a 32wd_to reboot (see bug 6334) in 6hours then I played with e-mail client and it was a very first time after I purchased N900 at the end of November I think it can be an answer to your question.
It would be nice to see if all n900's reboot in the same scenario when SmartFlex is turned on.

Devil 2010-01-03 20:33
Re: N900 battery life questions, issues, scenarios
 
Quote:
Originally Posted by egoshin (Post 451592)
Set Automatic connection to your 3G provider, switch OFF-ON, after powering ON - kill WiFi by "stop wlancond", unload 3 drivers - "rmmod wl12xx", "rmmod mac82011", "rmmod crc7" and you would enjoy a 48h battery life (If you don't video, of course).
so you say after a reboot those 3 drivers and wlancond run and they suck my battery life?

But this will all be fixed in the next FW update?

egoshin 2010-01-03 20:34
Re: N900 battery life questions, issues, scenarios
 
Quote:
Originally Posted by bbin (Post 451597)
It would be nice to see if all n900's reboot in the same scenario when SmartFlex is turned on.
Disabled SmartFlex, playing with e-mail and looking for reboot. So far (one day) - no reboots.

egoshin 2010-01-03 20:37
Re: N900 battery life questions, issues, scenarios
 
Quote:
Originally Posted by Devil (Post 451610)
so you say after a reboot those 3 drivers and wlancond run and they suck my battery life?
Looks like... even you don't use WiFi.

Quote:
But this will all be fixed in the next FW update?
Some people was selected to test a new FW and reports it (see bug 6615).

Devil 2010-01-03 20:45
Re: N900 battery life questions, issues, scenarios
 
Quote:
Originally Posted by egoshin (Post 451619)
Looks like... even you don't use WiFi.



Some people was selected to test a new FW and reports it (see bug 6615).
thats the old firmware. the one im using now.

will this be fixed in the new firmware? (to be released q1 2010)
thought i understood that from your previous post.

Milhouse 2010-01-03 22:05
Re: N900 battery life questions, issues, scenarios
 
Quote:
Originally Posted by Devil (Post 451626)
will this be fixed in the new firmware? (to be released q1 2010)
thought i understood that from your previous post.
Yes.

... ...

harbourlight 2010-01-04 00:27
Re: N900 battery life questions, issues, scenarios
 
Has anyone else noticed if snoozing the alarm clock has an effect on their battery life? I woke up around 6 this morning and my phone had finished charging so I unplugged it. Then my alarm went off at 9:00 and I pressed snooze about 4 times with 10 minute intervals. When I finally got up at 9:45 the battery was half drained.


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