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2025-05-14 16:37:07.786

Insert / Remove SIM Card - MiFi 4G LTE Global USB Modem U620L

Here's how to properly insert or remove a SIM card for your USB Modem U620L.
Instructions on inserting / removing your SIM can help with activation issues / errors, browser connection problems and a blank or frozen screen.
Don't attempt to insert/remove the SIM card while your MiFi® 4G LTE Global USB Modem U620L is powered on. Doing so may harm the SIM card and/or the device.
  1. Carefully remove the back by placing your thumb toward the bottom of the panel and sliding upward.
    Remove back cover
  2. Locate the SIM card slot and do one of the following:
    • Insert SIM card
      Ensure the gold contacts are facing down and the notch is located in the upper-left.
      Slide the card in until it clicks into place.
      Insert SIM card
    • Remove SIM card
      Press the card down until it clicks and releases.
      Remove SIM card
  3. Replace the back cover.
    Replace back cover