03-20-2017 05:22 PM
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  1. Devils Advocate1's Avatar
    Solved the problem. Got my wife a Galaxy S7 last week. She was having a heck of a time with Facebook and her phone was old.

    Got the new one at Costco and got a $250 gift card with it.
    henryw48 likes this.
    02-14-2017 08:54 PM
  2. jhturner108's Avatar
    Hi Henry!
    Thanks for that very thorough answer. I would have replied earlier but the problem appears to have gone away. I have been waiting to see if it has /really/ been stopped. We installed ES Task Killer and turned off Facebook's [chat] option. Mdsnd was using over 30% battery & CPU now it is not even mentioned in the task list, so it looks like we (all the team of Android users can claim some credit) -- have found the culprit -- it is (one or more) FB options.
    Best wishes -- John.
    henryw48 likes this.
    02-16-2017 12:06 PM
  3. hoopabyron's Avatar
    Were you able to get rid of MDNSD? If so, how?
    I have the S3. I used the ES explorer. I went to device/system/bin and found the file Mdnsd. I opened it with text and deleted about 4 lines of jiberish and then I also tried to move it to another directory, I think I chose .tmp. After a reboot it is gone in my settings/battery. I hope it stays gone.
    02-21-2017 05:35 PM
  4. belodion's Avatar
    Tiny bit more info from a new member here:
    'mdnsd' draining battery and still no solution


    Also, thank you to the members in the present thread who have done so much to solve this problem and share their findings. A very impressive effort.
    henryw48 likes this.
    03-01-2017 07:57 AM
  5. smvim's Avatar
    Some of the users (possibly indirectly through mdnsd) of UDP port 5353 on my phone were HP Printer Server Plugin, Samsung Printer Server Plugin, ES File Explorer File Manager, Xfinity WiFi and the Google Play Services (GMS = Google Mobile Services -> supports multiple Google apps). I attempted to uninstall various combinations of these without achieving zero increase in number UDP and UDP6 sockets on port 5353.
    If you install this SockStat app you can monitor all the active sockets in use. Lightweight utility that allows a quick, handy way to 'Force stop' some background process you think is causing a problem.

    You might also want to add a firewall app to your phone so you can selectively block/allow individual apps and processes online access for both cellular and WiFi. If you're rooted AFWall+ is a really good firewall app, if not NetGuard is a good option.


    henryw48 likes this.
    03-20-2017 05:22 PM
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