Due to inactivity, your session will end in approximately 2 minutes. Extend your session by clicking OK below.

Due to inactivity, your session has expired. Please sign in again to continue.

2025-05-15 13:10:54.09

Samsung Galaxy A21 - Insert / Remove SIM Card

Here's how to properly insert or remove a SIM card for your Galaxy A21.
Don't attempt to insert the SIM card while the device is powered on. Doing so may harm the SIM card and/or the device.
  1. Ensure the device is powered off.
  2. From the left edge of the device (display facing up), remove the card tray.
    Utilize the insertion/removal tool (or a paperclip) to unlock the tray by inserting it into the provided slot then remove the tray.
    SIM SD tray
  3. Do one of the following:
    • Insert SIM card:
      Ensure the gold contacts are facing down, then press in on the card to lock into place.
      Insert SIM
    • Remove SIM card:
      Once the tray is removed, lift the SIM card from the tray.
      Remove SIM