Remove the back cover from the device.
Don't touch the gold contacts on your SIM card. That could damage the card.
Remove the battery.
Open the SIM card holder.
Insert or remove the SIM card from its slot.
You must have a nano SIM card inserted in your phone to place calls, access the internet, download apps and share pictures over the network.
Note: A nano SIM card may already be inserted in your phone.
Close the SIM card holder.
Replace the battery.
Replace the back cover.
You've completed the steps!
