Downloading a Facebook image on a page that works correctly in a simulator but not in a device

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When I run same code in simulator I get success Response for image post:

    {
        id = 248572435289479;
        "post_id" = "244759709004085_248572441956145";
    }

When I run in same code in device I get:

Error Domain=facebookErrDomain Code=10000 "The operation couldn’t be completed. (facebookErrDomain error 10000.)" UserInfo=0x208a8dd0 {error={
    code = 1;
    message = "(#1) An unknown error occurred";
    type = OAuthException;
}}

"


OAuthException means that there was an authentication issue. Be sure that the following are true on your device.

  • You are logged into a facebook account successfully
  • If you are, then remove the app from the phone
  • Do a clean and re-deploy to the phone

If none of the above work, try logging out in Settings on the phone and logging back in. Then try logging in through safari. Sometimes the iOS facebook authentication can be a little buggy. Also try a different app that is guaranteed to work with iOS facebook accounts. Something like, Hootsuite.

If there is still an issue after all that... I am not sure what you tell you.