How do I insert a SIM card into my Samsung Galaxy A3 (2016)? — Step 1/7

Insert the SIM removal tool (included in the box the phone came in).

How do I insert a SIM card into my Samsung Galaxy A3 (2016)? — Step 2/7

Push to eject the SIM tray.

Remove the SIM tray.

Insert the SIM card into the SIM tray.

Re-insert the SIM tray.

Push until it clicks into place.

The SIM card is now inserted.