battery drain?



  • I'm seeing insanely fast battery drain on my iPad since I undid my jailbreak and xcode'd f.lux onto it. I thought it was 'the facebook bug' first but they supposedly fixed that. It's not a constant drain, just one that happens every few days where my iPad is dead when it should have 30-40% left.

    was curious if anyone else was seeing this (and if that could suggest it was related to f.lux, sideloaded edition)



  • @Robb-Irrgang I'm running it since it got released and haven't experienced any battery drain with my iPhone 6 Plus (despite the frequent push notifications).



  • Yes, I’m having this. Definitely caused by f.lux; my device (iPad Mini 2) is hot to the touch by the end of the sunset phase, and if it’s not plugged in, it might be dead. I’ve taken to leaving my iPad plugged in or shut down at all times except when in use, because that’s how badly I need f.lux on it, but it’s a huge bummer.


  • f.lux team

    I'm not seeing this at all. Can you help me with some more information? Version of iOS, other apps you're running, anything else of note.



  • @ablaze said:

    Yes, I’m having this. Definitely caused by f.lux; my device (iPad Mini 2) is hot to the touch by the end of the sunset phase, and if it’s not plugged in, it might be dead. I’ve taken to leaving my iPad plugged in or shut down at all times except when in use, because that’s how badly I need f.lux on it, but it’s a huge bummer.

    I'm running into this same problem on my iPhone 4s...battery life plummets around sunset, but despite all the flaws I can't give up my newfound iflux bliss :p. Like @ablaze, my iPhone is hot in my pocket by the end of the sunset phase, it seems that when the screen turns on because of the password request from flux, it doesn't turn back off (or at least it takes forever to do so).

    I wonder if it has to do with the Auto-lock setting? Up until just now I had auto-lock set to "Never", I just changed it to "1 minute"—we'll see if this helps.


  • f.lux team

    Yup, that could be the problem, please let me know what you find. I realize the unlock screen hack is not a great one, it's the way we could keep the app alive for screen changes. Hopefully we will be allowed to ship an update sometime.



  • @lorna I think that was it, my phone didn't get hot this time and my battery has only gone down 2% since I last posted. I'll report back again tomorrow once it's gone through a whole cycle, but I think that solved my problem! Hurray!


  • f.lux team

    @timd.mackey If you allow notifications from f.lux it will wakeup for just a second or two, which is a lot better.

    You can exclude from notification center, just allow on home screen.



  • @herf said:

    @timd.mackey If you allow notifications from f.lux it will wakeup for just a second or two, which is a lot better.

    I've had notifications allowed for flux since installing it, so I don't think that's the issue. Thanks for the tip though! I did turn off notification center though, thanks for the reminder.

    Just hit sunset a while ago today, and the results seem to be mixed after having changed the Auto-lock setting from "never" to "30 seconds". The first two times the password request screen came up, the screen stayed on indefinitely until I turned it off several minutes later. However, after using my phone for a bit and turning the screen off, the last 2 notifications to come up disappeared after < 30 seconds. Very strange!


  • f.lux team

    @timd.mackey one more thing: to enable notifications, you should make sure "do not disturb" is off, or only on when you're asleep.

    This version prefers to use notifications to wake up the screen (and it will only show the lock screen when that doesn't work).

    We were fixing things so it would unlock less but unfortunately we can't ship any more updates.



  • @herf thanks for your help! It's unfortunate that you won't be permitted to offer any updates to this! Hopefully an avenue will open up in the future.

    The app seems to be behaving better today, my screen is now shutting off within 30 seconds of the notification appearing. Definitely an improvement over before!



  • Surely you can make this available somewhere and keep making updates. Apple can't stop you from distributing files on the internet. When they finally decide that its in their own interest to allow it on the app store it will be bug free and ready to go. In the meantime those of us who don't care what apple thinks and want to sideload it ourselves can keep getting updates, at least until the next jailbreak is released.


  • f.lux team

    It turns out that Apple totally can stop someone from distributing files on the internet, but we're very much hoping that there's a better solution for the future.



  • As part of researching f.lux, I ran across someone saying that you can sign and sideload debs from cydia. If true, would this allow someone to install an updated version?


  • f.lux team

    @josh-43 the cydia app won't work on a non jb phone, they use a different approach.


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