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Watchmaker is offline Watchmaker
2014-01-24 , 17:23
Posts: 292 | Thanked: 294 times | Joined on Jan 2012 @ Milan, Italy
#131
Originally Posted by Mitrigol View Post
@Watchmaker

The quick battery drain may be related to aliendalvik service if you have android compatibilty installed.

Type the folowing command in terminal to stop it:

systemctl stop aliendalvik.service

To restart it, just load an android app.
Mmmmh, I didn't think of that because a) yes, I have dalvik installed but b) the drain happened also when I didn't have been using it for a while. But thanks for the advice, anyway. I'll try that next time, and report back in case of success.

Originally Posted by Jordi View Post
I did not experience such a drain with any build of Mitakuuluu. In fact, with or without this app, the idle battery consumption is very low : about 2 - 4 percentage points during the night.

I would say it's quite impressive, Wazzap for the N9 was not so efficient.
Beside showing the quality of Mitakuuluu, I think theses good results show mainly the quality of Sailfish: very efficient power management and sane way to connect to the internet.
That is my experience too, and my thoughts about both Mitakuuluu and Sailfish. That's why this drain seems strange to me and I wanted to find out the cause, if nothing fancy happens I'd say Jolla battery life, with Mitakuuluu 24/7 on, is great. For me, two full days without recharge, easy, and with some browsing/chatting/calling/texting/playing in the middle.
Last edited by Watchmaker; 2014-01-24 at 17:27.
 

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minimos is offline minimos
2014-01-24 , 18:20
Posts: 646 | Thanked: 1,124 times | Joined on Jul 2010 @ Espoo, Finland
#132
Originally Posted by Mitrigol View Post
The quick battery drain may be related to aliendalvik service if you have android compatibilty installed.
I don't think so.
I had the alien dalvik service active on my Jolla (and also a couple of Android apps installed) and in a test I ran at end of the last year the battery lasted 9 days with the phone in a semi-idle state.
 
StefanP is offline StefanP
2014-01-25 , 01:40
Posts: 7 | Thanked: 2 times | Joined on Oct 2011
#133
Originally Posted by minimos View Post
9 days with the phone in a semi-idle state.
What is a semi-idle state?
 
minimos is offline minimos
2014-01-25 , 08:15
Posts: 646 | Thanked: 1,124 times | Joined on Jul 2010 @ Espoo, Finland
#134
Originally Posted by StefanP View Post
What is a semi-idle state?
What I mean that I did not actively use the phone and no apps were running, but it was connected to 3G network and to WLAN all the time, it was set to poll for emails/twitter/etc. once a day, and I was peeking the screen (or briefly ssh to the device via WLAN) perhaps 2-3 times a day to check the situation.
A bit more realistic test IMHO where at least the device is reachable, rather than a pure idle test where you go into a 'flight mode' condition but what for? If the phone cannot communicate and you want to save battery you'd just power it off
 

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richardski is offline richardski
2014-01-26 , 09:15
Posts: 58 | Thanked: 63 times | Joined on Dec 2009 @ Marlborough, Wiltshire, UK
#135
It is rather surprising how much power the NFC sub-system uses.
I really do need a spare TOH to cut a slot in for an extension cable to move the batter out of the case so that proper current and voltage readings can be loged

Richard
 
gordon_pcb_designer is offline gordon_pcb_designer
2014-01-30 , 10:32
Posts: 17 | Thanked: 3 times | Joined on Jan 2014 @ Italy
#136
Originally Posted by richardski View Post
It is rather surprising how much power the NFC sub-system uses.
I really do need a spare TOH to cut a slot in for an extension cable to move the batter out of the case so that proper current and voltage readings can be loged

Richard
Well, i'm suspecting that this is not the real NFC consumption.. probably this bug is making NFC to drain power in some strange way, 'cause NFC as far as i know, consumpion have to be around 10 or 20mA itself
 
fip is offline fip
2014-02-01 , 10:02
Posts: 11 | Thanked: 1 time | Joined on Oct 2012
#137
firmware 1.0.3.8 fixes the bug!
 

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Alfdererste is offline Alfdererste
2014-02-01 , 23:05
Posts: 8 | Thanked: 8 times | Joined on Dec 2013
#138
yes, i can confirm, that the nfc is working with update 1.0.3.8 as it should.
Battery level stays the same over night(8 hours) in plane mode.
Nice
 
droll is offline droll
2014-02-02 , 02:04
Posts: 958 | Thanked: 483 times | Joined on May 2010
#139
does anyone know how to get battery statistics from terminal? wouldn't be difficult to hack a script to capture battery usage stats in a log file for later analysis.
 
DcDimmi is offline DcDimmi
2014-02-05 , 11:29
Posts: 10 | Thanked: 3 times | Joined on Nov 2011 @ Finland
#140
I lose 25% of the battery over night (8h) in flight mode and zero apps open. I have the Naamankajärvi version of Sailfish. Any tips?
 
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