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Casanunda
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Phone: n900, Jolla

PostPosted: Friday, 20.Dec.2013 19:29    Post subject:   Reply with quote   

you are right, my use case is not exactly „just standby“.
But something I would call a typical scenario for a day of usage.

That's why I tried to describe what I did with the ohone fairly accurately.
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Michal Jerz
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Phone: Jolla, BB Z10, BB Passport, N950, N900, N8, Nexus 4 (Ubuntu Touch), Lumia 920

PostPosted: Saturday, 21.Dec.2013 03:45    Post subject:   Reply with quote   

I was doing something else today (some fixes for my applications for Symbian and Harmattan before Nokia closes the store) so I had no time to play with the Jolla. I powered it on (still without SIM card) at around 20:00 and haven't touched it then. It's around 3:00 am now, so in 7 hours the battery level decreased from 70% to 50% while the phone was doing absolutely nothing (other than checking email from time to time via WLAN) and with no mobile network connection. Bluetooth was enabled. So this was a nearly perfect example of 'standby'. 20% in 7 hours means it would be ~ 70% in 24 hours without even turning the screen on.

EDIT: At 7:00 am battery level was 30%, i.e. a further 20% lost in 4 hours, and in total 40% in 11 hours of doing nothing. So it looks that the phone is able to completely discharge within 24-30 hours while not used and that's still without SIM card inserted, i.e. with no mobile network connectivity.

Power efficiency definitely needs serious improvement, especially on standby.

On a slightly more jolly note: now I try to double tap the screen of the Z10 to wake it up, and then try to slide up to wake the Jolla
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Ketilk
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Phone: Sony Xperia XA(Android 7.0), Jolla, N9 , N900, N97-mini,

PostPosted: Saturday, 21.Dec.2013 15:57    Post subject:   Reply with quote   

Wow, I am impressed and not in a good way. Shocked Thanks for the information though. Jolla phone has less standby time than sailfishos on top of nemo adaptation on the N9. My phone too has had pretty much constant WiFi and no sim card. I expect that to last about 60 hours as it dropped from 87% to 13% during 48 hours. During that time I also installed applications, updated to 1.0.1.12, rebooted once to apply the update, develop python+pyside+qml application by mounting a directory from my phone on my computer(sshfs), and launch the application a lot of time.
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Michal Jerz
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PostPosted: Saturday, 21.Dec.2013 16:48    Post subject:   Reply with quote   

By 15:00 it went down to 13%, i.e. a further 17% down within 8 hours - slighly slower, maybe because the phone was moved upstairs, closer to the WiFi router. In total, within 19 hours of pure standby the battery discharged from 70% to 13%. Recharging now (for the second time), so let's see if there's any improvement after that.
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ehaapani
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PostPosted: Monday, 23.Dec.2013 15:19    Post subject: Aluminiu foil   Reply with quote   

Those who have problems with attry life... Use tin or other radio damping foil between the back cover. Reason is software bug with recognising the other half.
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naytsyrhc
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PostPosted: Monday, 23.Dec.2013 18:25    Post subject:   Reply with quote   

this is funny. i really thought about that already. I do have issues with massive battery draining with my N9 and NFC. I was always wondering if Jolla was able to fix that bug or if THO will drain battery. Apparently they didn't fix it yet.

Anyway I'll try the Jolla for myself in the next days. At last it was delivered today. Very Happy

Merry Christmas to all of you.
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spyder81
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PostPosted: Monday, 23.Dec.2013 21:05    Post subject:   Reply with quote   

Merry Christmas to all the visitors of my meego. I am looking forward to the first reviews. Especially the one by Michal:-)
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Michal Jerz
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PostPosted: Monday, 23.Dec.2013 22:16    Post subject:   Reply with quote   

Quote:

Those who have problems with attry life... Use tin or other radio damping foil between the back cover. Reason is software bug with recognising the other half.

Wow, that's interesting. Will try it in a minute and see if it changes anything. But indeed there must be some bug related to NFC /TOH because as I wrote each time I connect TOH I get a message that "This The Other Half is not working".

Quote:

I do have issues with massive battery draining with my N9 and NFC. I was always wondering if Jolla was able to fix that bug or if THO will drain battery. Apparently they didn't fix it yet.

The biggest question is why (unlike in other phones) there is no setting to disable NFC... I don't use NFC at all and I prefer to have it disabled. On the Z10 is just a matter of switching one slider. On the Jolla you can't do that...

Quote:

Anyway I'll try the Jolla for myself in the next days. At last it was delivered today.

Congratulations!

Merry Christmas everyone!
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Casanunda
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Phone: n900, Jolla

PostPosted: Tuesday, 24.Dec.2013 01:23    Post subject:   Reply with quote   

according to several blogs and e.g. tmo, battery life can be seriously improved by switching off the deamon recognizing the other half via terminal commands:


Code:

devel-su
systemctl stop tohd.service


I have done so this afternoon and think that it really did help.

But will have to watch the next days.


Last edited by Casanunda on Monday, 30.Dec.2013 13:54; edited 1 time in total
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Michal Jerz
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PostPosted: Tuesday, 24.Dec.2013 04:54    Post subject:   Reply with quote   

Quote:

according to several blogs and e.g. tmo, battery life can be seriously improved by switching off the deamon recognizing the other half via terminal commands:

I will have to try it, too.
I disconnected the Jolla from charger at around 16:00 and by now (4:00 am) i.e. within 12 hours it went down from 100% to 9% (!) while doing absolutely nothing (I'm busy with Symbian stuff and I had no time to even just touch it). So it got even worse.
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Ketilk
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Phone: Sony Xperia XA(Android 7.0), Jolla, N9 , N900, N97-mini,

PostPosted: Tuesday, 24.Dec.2013 05:37    Post subject:   Reply with quote   

Quote:

Code:
devel-su
systemctl stop tohd.service


This will need to be done on each boot as it's just a temporary fix. Replace stop with disable to stop starting the service at boot making the workaround persistent. Maybe software updates adds it again, but at least makes it persistent until then. Replace disable with enable to enable it again if you regret it later or if the problem is fixed in later versions and it does not automatically reenable itself. You can write systemctl --help to get the full list of available commands. There are also nice man page for it. Don't think it's available on the phone per default though. If you don't ssh into the device I recommend reading it online rather than on device anyways.

I switched my laptop over to fedora and that forces me to learn systemd Smile That's how I noticed what the command did, and not just a bunch of text Smile
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Casanunda
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Phone: n900, Jolla

PostPosted: Tuesday, 24.Dec.2013 15:09    Post subject:   Reply with quote   

Unplugged the device at 9:30 this morning, now (14:00) battery level is still at 90%.
Did some browsing, updating e-mail every 15 minutes, jabber online, twitter online.
Looks like a big improvement.


Last edited by Casanunda on Monday, 30.Dec.2013 13:57; edited 1 time in total
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Michal Jerz
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PostPosted: Wednesday, 25.Dec.2013 01:25    Post subject:   Reply with quote   

Quote:

devel-su
systemctl stop tohd.service

It works PERFECTLY! I stopped the service at around 17:00 (with the battery fully charged) then I left and when I returned home at around midnight (i.e. after 7 hours) battery was 97%! So it is indeed the TOH daemon what drains battery, and other than that the system is actually very power efficient.

I think that until a fix comes out I will disable the service permanently as Ketlik suggested, especially that (other than rapidly draining battery) it doesn't seem to have any other uses ATM.
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Casanunda
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PostPosted: Wednesday, 25.Dec.2013 04:27    Post subject:   Reply with quote   

same for me. works really great.

Today, after more than 18 hours with usage definitely more than on my last report - including 20 minutes of video shooting, several phonecalls, web surfing, writing and receiving/reading e-mail, I still have 50% battery left...


Last edited by Casanunda on Monday, 30.Dec.2013 13:57; edited 1 time in total
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naytsyrhc
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PostPosted: Wednesday, 25.Dec.2013 14:12    Post subject:   Reply with quote   

This is great to hear. I'd like to do this as well, but unfortunately Ican't auth as root. rootme doesn't seem to work. is there another root pw for Jolla ?
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