1. Windows Central Question's Avatar
    I am using lumia 521. I want to install windows 10. I've installed windows 10 by windows insider. After installation I found many problems. Such as, wi-fi and cellular don't work, sd card not found, too slow, clock is not showed at lockscreen, some apps are missing, some don't open, etc.
    11-16-2015 11:25 AM
  2. RumoredNow's Avatar
    It still is not finished... We are waiting for that last build.

    That said, have you tried a Hard Reset? It may smooth things out. Not everything will be release level, but it should help.

    Power off > holdVolume Down > tap Power > keep holding Volume Down until you see theexclamation (!) screen, then immediately release the Volume Down

    Now tap Volume Up / Volume Down / Power / VolumeDown

    You should see the spinning gears.


    If you need to add additional information or want to post additional questions, please join the site so you can see the reply button and continue the conversation in the same thread you originally made.
  3. RumoredNow's Avatar
    It still is not finished... We are waiting for that last build.

    That said, have you tried a Hard Reset? It may smooth things out. Not everything will be release level, but it should help.

    Power off > holdVolume Down > tap Power > keep holding Volume Down until you see theexclamation (!) screen, then immediately release the Volume Down

    Now tap Volume Up / Volume Down / Power / VolumeDown

    You should see the spinning gears.


    If you need to add additional information or want to post additional questions, please join the site so you can see the reply button and continue the conversation in the same thread you originally made.
    xandros9 and libra89 like this.
    11-16-2015 12:19 PM
  4. Ivan Kim Reyes's Avatar
    May we know what build you got? 10166 is outdated making it still laggy and has a lot of bugs. Try enrolling again in the Insider Program in Fast Configuration and maybe you'll get the latest build 10581 which is far smoother and better now. :)
    RumoredNow likes this.
    11-16-2015 07:47 PM

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