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Is 9%/day a normal battery drain in standby? [answered]

asked 2014-02-06 18:46:33 +0200

IZ1IVA gravatar image

updated 2014-02-10 10:36:41 +0200

The title says it all... I suspect it's a bit too much, isn't it? Looks like half of the 500 hours...

Jolla 1.0.3.8, 3G, data off, WiFi off, BT off, screen off, no running apps, no calls and no SMSs.

Network is Vodafone. Signal is strong (didn't read the dBm in csd, though) and don't think there has been a constant 2G/3G switching.

At midnight the indicated value was 90%, a 8 the following morning it was 87%. Hence, 9%/day.

EDIT: as suggested by @HarhaanJohtaja, I've repeated the test in airplane mode (SIM inserted) but found an almost identical drain.

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The question has been closed for the following reason "the question is answered, an answer was accepted" by IZ1IVA
close date 2014-07-19 21:23:54.040630

Comments

1

It sounds a bit high to me but considering the overall battery power saving boost the latest update gave to the phone regarding the battery drainage I'd say its nothing compared to what it was in previous updates without using tinfoil or stop tohd. service from terminal.

TimTTK ( 2014-02-06 18:57:51 +0200 )edit

I'm sure it's better than before, though I have no experience of previous revisions, having received the Jolla on Jan. 31st and promptly updated to 1.0.8.3 ;-) Still, does your Jolla betters this drainage?

IZ1IVA ( 2014-02-06 19:00:10 +0200 )edit
1

Haven't tested the battery to run out completely yet after latest update. Usually plug the phone to charger when there is about 20% power left. Have to give it a try now though.

TimTTK ( 2014-02-06 19:07:12 +0200 )edit
1

Try with airplane mode.

HarhaanJohtaja ( 2014-02-06 19:11:02 +0200 )edit

@HarhaanJohtaja will do tonight and report back here.

IZ1IVA ( 2014-02-06 19:13:16 +0200 )edit

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11

answered 2014-02-06 19:14:15 +0200

this post is marked as community wiki

This post is a wiki. Anyone with karma >75 is welcome to improve it.

updated 2014-02-10 09:40:39 +0200

simo gravatar image

In user tests, the max (500h) was exceeded only without any connections on (even SIM card removed) and without any apps running. Refer to table at http://reviewjolla.blogspot.fi/2013/12/user-report-tool-jolla-battery.html for more results.

Edit: User report tool is reopened, let's follow power consumption also with version 1.0.3.8. This was requested in the comments, so let's DIT again :) Reporting is possible at:

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Comments

1

Thank you for the link!

IZ1IVA ( 2014-02-06 19:24:36 +0200 )edit
5

Thanks! I don't usually post links to my blog at Together ( it could be considered as advertising) but in this case I suppose it's a nice answer. Please comment if you disagree.

simo ( 2014-02-06 19:30:27 +0200 )edit
1

It contributed knowledge, so that's fine for me.

IZ1IVA ( 2014-02-06 19:35:48 +0200 )edit

@simo: If the information fits the problem/question: Why not direct to external sources even they are under your control? (I am sure, over all you would not point to your sources/blog only but also to other sources you remember if they should fit.)

PS: I too have just received some karma points because an answer (wiki) of mine pointing to one of my questions (HowTo) has been accepted as answer.

jgr ( 2014-02-07 00:16:23 +0200 )edit
2

According to GSMarena:

"Stand-by time is the officially quoted longest time that a single battery charge will last when the phone is constantly connected to the GSM network but is not in active use."

So standby does not mean airplane mode.

Macilaci457 ( 2014-02-07 10:31:34 +0200 )edit

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Asked: 2014-02-06 18:46:33 +0200

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Last updated: Feb 10 '14