1. iMore Question's Avatar
    I have a Pokemon Go (PG) account, or a "Pokemon Trainer Club" account. But, I can't get on. When I try to get on with my username and password, it says, "Unable to authenticate. Please try again." and I try again and again, yet the same thing happens. What do I do?
    07-16-2016 04:45 PM
  2. gabrielfrank164's Avatar
    It may be because of the server inefficiency since people from all over the world are playing the game even if it's not released in their own country.
    07-27-2016 08:58 AM
  3. ry189's Avatar
    It's a common problem especially when the game is used in peak hours (I've also used PTC account, and I experienced the login problem during the day). It's much better during the night when not as many players are playing.

    I read that the developers are aware of the server issue and improving it.

    The best thing you can do is exit app (shutdown app) and try again, sometime it works
    07-27-2016 11:35 AM

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