04-22-2017 01:21 PM
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  1. martinr85's Avatar
    I have a galaxy s5 with Android 5.0, and have recently noticed my battery life has significantly declined. I noticed a program called mdnsd is the problem. I've researched online, but could only find rooted phone answers. I've tried factory reset and imstallimg a root fipe explorer to try and delete but no luck. Location: system-bin-mdnsd. Pleasr help
    11-08-2015 01:14 PM
  2. yarch's Avatar
    I did some searching and found that the problem is with Firefox. I uninstalled firefox and the service hasn't run since. That really chaps my *** because I hate chrome and now I'm stuck using it until Mozilla fixes this bug. https://bugzilla.mozilla.org/show_bug.cgi?id=1215012
  3. B. Diddy's Avatar
    Welcome to Android Central! This blog post mentions that it's related to a drone app called Freeflight 3. Do you have that as well? mdnsd battery drain
    11-08-2015 01:37 PM
  4. RichieRich804's Avatar
    I too am having this issue. Using a Galaxy S5, unrooted. I went as far as doing a full factory reset and the "mdnsd" popped back up within a day. My wife has the same exact phone and same Lollipop OS, yet she doesn't have this issue. We're on the Verizon Wireless network.

    I did have the AR.FreeFlight 2.4.10 app installed a LONG time ago for a short time but not since this phone has upgraded to Lollipop. Also, this "msdns" process never made an appearance until recently. Did this drone app leave something behind?? I figured a factory reset would wipe clean any trace of junk that would hinder performance.... no?

    So just to clarify, the drone app has never been installed since the 5.0 Lollipop update and it's also been factory reset recently. Only apps I have running is FB, FB Messenger, Zedge and Speedtest.
    11-09-2015 11:16 AM
  5. B. Diddy's Avatar
    Welcome to Android Central! After the factory reset, do you recall if the phone started reinstalling any apps automatically? If so, did you have to uninstall them? If so, it's conceivable that the drone app reinstalled, and then left something behind when you uninstalled it.
    11-09-2015 09:28 PM
  6. AndersonS1639's Avatar
    Hey guys, new to the whole forum thing but I'm having the same issue. I had the free flight app but I just upgraded to the s6 edge plus and did not restore apps. The only thing that has changed since before, is it purchased a gear s2 smartwatch and I believe this to be the cause. I think this is a continuous process running while my watch is connected. Anyone think they can confirm or deny this?

    Posted via the Android Central App
    11-11-2015 10:01 PM
  7. yarch's Avatar
    I've had this issue too since the 5.1 update. I've never heard of the Freeflight app.
    11-16-2015 06:18 PM
  8. pdxrealtor's Avatar
    I just had this pop up on my screen, but my battery has been absolute crap lately. I don't recall ever having the free flight app installed and it certainly isn't installed now. I also use the package disabler pro app and can't find anything related to Mdnsd to disable.
    11-17-2015 01:36 PM
  9. yarch's Avatar
    I did some searching and found that the problem is with Firefox. I uninstalled firefox and the service hasn't run since. That really chaps my *** because I hate chrome and now I'm stuck using it until Mozilla fixes this bug. https://bugzilla.mozilla.org/show_bug.cgi?id=1215012
    B. Diddy likes this.
    11-17-2015 02:36 PM
  10. pdxrealtor's Avatar
    Beat me to it.... I found the same suggestion over on another forum. Deleted Firefox and will see what happens. I never used it as it's absolute crap for rendering web pages in a legible mobile format when compared to Chrome. I really miss the old Android browser for the text flow .... but I suppose that's another topic.

    Use of the app Adguard makes Chrome a completely new browsing experience, and it blocks all app adds as well. Actually the entire Android user experience is greatly enhanced with the use Adguard. I couldn't imagine using Android without it.

    I also followed a couple tips off this website Tricks To Improve Samsung Galaxy S6 Battery Life By ≈50%!
    11-17-2015 03:25 PM
  11. RichieRich804's Avatar
    So Firefox is possibly the culprit for the mdnsd drain bug? Anyhow, I realized that I forgot to mention I had this installed and running and certainly explains a lot. I'm uninstalling it right now, recharging the battery and resetting everything to see if this resolves it. I'll post back my results.

    Thanks for posting the Firefox info.

    ******UPDATE*******
    So by uninstalling Firefox, the mdnsd process stopped draining the battery for the rest of the day. After recharging the battery overnight and beginning to use the phone the following day, the Battery usage report no longer shows the mdnsd process!

    So at least for me (and most likely others with Firefox installed and not the Parrot Drone app), this worked.

    Thank GOD someone finally figured it out!
    *Updated 12/1/2015 7:37am EST*
    11-30-2015 01:39 PM
  12. yarch's Avatar
    The people in the discussion at the bugzilla link I posted above seem to thing the latest release 42.0.2 has fixed this. I re-installed and will confirm it fixed if I find it to be.
    12-05-2015 02:20 PM
  13. NewArtDroid's Avatar
    I just saw this on my Android battery usage, and I have never installed FireFox.

    I was able to get rid of it by turning off my phone, charging it to full off, and then turning it back on. 24 hours, no sign of this mdnsd.
    01-03-2016 04:26 PM
  14. 1gerbergirl2016's Avatar
    I have also been having this same issue with my battery being drained. I do not have fire fox nor the other app. I have uninstalled all questionable apps and tried the full charge /phone shut down and this thing keeps coming back...What the heck are we supposed to do to get rid of this thing.
    01-19-2017 11:52 AM
  15. Silverfox44's Avatar
    My wife has a Galaxy S3 with unrooted Android KitKat 4.2. It had battery problems for several months and I finally found the MDNSD zombie app using 45% of battery. None of the apps previously mentioned were on her phone so I started removing apps in the reverse order of install. SpeedTest was the culprit that I had installed in June 2016. Once removed, the MDNSD was immediately gone. No restart/factory-reset needed. I guess I owe Batteries+ an apology for blaming a defective battery of theirs, got a free replacement.
    01-20-2017 11:20 AM
  16. benjy1's Avatar
    I started having this same problem with mdnsd killing my battery beginning a couple weeks back. I have narrowed it down to the FACEBOOK app on my Droid Mini. When I can get the mdnsd to clear, it stays away...and I get normal battery life, until I use the Facebook app again. Then mdnsd kicks in and starts killing my battery. Doesn't happen when I use Facebook through the Chrome browser...only when I use the app. Can anyone else try and confirm this, and any clues how to cure it?
    01-21-2017 12:51 PM
  17. AmanteNJ's Avatar
    I've been having this problem recently and my battery went downhill ever since this showed up in my battery usage. Here is what worked for me since Firefox was never installed on my phone neither any drone apps.

    Downloaded Root Browser in the play store. Once downloaded and installed run the app. Go to system>bin>press and hold the file mdnsd. Click on Permissions. Now a window will pop out make sure you check on the Owner section the Read and Write boxes only, Group Section Read only, Others section Read only. Click ok, fully recharge you cellphone to 100% then restart your phone. In my case since doing this mdnsd process disappeared and battery is not draining as drastic as before.

    I hope this works for you. Samsung Galaxy S5 with 5.0
    01-23-2017 12:51 PM
  18. Echterspieler's Avatar
    It definitely appears to be the Facebook app. Some days My Facebook app will crash sometimes when I open it requiring me to restart to get it to work again and when I check my battery drain there's mdnsd. This only started happening when Facebook started crashing, and on days when it doesn't crash, mdnsd doesn't show up.
    01-23-2017 07:28 PM
  19. pattiq22's Avatar
    You all are confirming what I suspected. FB app was not working. I uninstalled and reinstalled it. Within just an hour my battery at about 85% was down to 30% and I hadn't used my phone had just been sitting. When I get more time I will try AmanteNJ's fix and stay off FB until then.
    01-25-2017 11:36 AM
  20. fredwa's Avatar
    AmanteNJ I just tried your method with Root Browser(the free one) and went thru the steps but said unsuccessful..some systems do not allow changes..I have old Note II Verizon...any ideas? thanks
    01-28-2017 05:04 PM
  21. James Bennett5's Avatar
    Just tried your fix, however when I try click ok after changing the permissions I get an error 'changing permissions was not successful. Please note that some file systems do not allow permission changes'. I have a Galaxy S3. Any suggestions?
    01-28-2017 09:19 PM
  22. szutsgy's Avatar
    Hi!
    I also have Galaxy S3. Mdsnd also drainging my battery for a month or two, none of the soutions worked so far.
    Last week I had issues after updating the Google Assistant to a newer one. Home button caused crash, some "android.system.ui.app" crashed, task manager does not came up.
    After looking for some solution, a youtube video suggest to remove Google Assistant (or roll back to factory). Doing that, the mdnsd completely disappeared. That was 1 week ago. Facebook and Messenger is on the phone I use it constantly. I also have an SD card inserted with around 6000 photos (and counting). Not these caused the mdnsd draining...
    Unfortunately the google assistant is an old and ugly version, but working (for me the weather widget was important, its also working).
    01-30-2017 03:32 AM
  23. JosephineBo's Avatar
    Having the same poblem with my Galaxy S5, Android 4.4.2. Fb Crashes since a couple of weeks and battery drain. Also tried the solution with the Root Browser, but is says Changing of Permissions is not allowed. Any suggestions for a different solution?
    Thanks!
    01-30-2017 10:31 AM
  24. Hristo Krastev's Avatar
    I just had this pop up on my screen, but my battery has been absolute crap lately. I don't recall ever having the free flight app installed and it certainly isn't installed now. I also use the package disabler pro app and can't find anything related to Mdnsd to disable.
    01-31-2017 02:24 AM
  25. eduardpaletskiy's Avatar
    The problem is solved settings in Facebook chat. It is necessary to disable the "Nearby friends" process "mdnsd" stop and will no longer be to plant a battery.
    01-31-2017 12:49 PM
  26. TheFatedHero's Avatar
    Where can I find the "Nearby friends" option in Facebook Messenger?

    By the way, I removed Firefox from my Galaxy Note Edge, the mdnsd still comes back even after I turn off the phone and charge it to 100%. I do notice that after uninstalling Facebook Messenger the mdnsd disappear, but I really need Facebook Messenger since I am very active and need this for buy/sell/trade purpose. Also lately around January 2017, I notice that Facebook mobile keep crashing constantly, and when that happens, the mdnsd pop up. This is so annoying!!!!
    02-02-2017 11:53 PM
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