Samsung Galaxy S9 For Dummies
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Some locations follow good computer security and change their Wi-Fi passwords. When you revisit that one charming café and find that your Android tablet doesn’t reconnect to the network, follow these steps:
  1. Obtain the new password.

    Demand the new password from someone in charge, like the confused young woman who keeps asking whether you want “room” in your black coffee.

  2. Open the Settings app and choose Wi-Fi.
  3. If the given network doesn’t appear in the list, tap the Action Overflow or MORE button and choose Saved Networks.

    The list of saved network appears — if any networks have been saved.

  4. Choose the Wi-Fi network from the list.

    For example, Café Wambooli has changed its Wi-Fi password. Choose the Wambooli network from the list.

  5. Tap the FORGET button.
  6. Tap the Back navigation icon, and then establish a new connection to the network.

If these steps don’t work, and you’re certain that you typed the proper password, disable the tablet’s Wi-Fi radio (turn off the master control), and then enable it again (turn on the master control).

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