Remove the battery cover from the phone by using the slot on the top right of the phone.
Remove the battery by lifting it from the notch at the bottom.
To remove the SIM card, carefully slide the SIM card from the SIM card slot.
To insert the SIM card, carefully slide the SIM card into the SIM card slot with the angled corner facing the top left.
Place the top of the battery in the compartment, ensuring the gold contacts align with the terminals at the top of the handset, and then press the bottom of the battery into place.
Replace the battery cover and snap into place.
The SIM card has been inserted or removed.