Remove the back cover.
You must have a nano SIM card inserted in your phone to place calls, access the internet, download apps and share pictures over your carrier's network.
Remove the battery.
With the gold contacts facing the front of the phone, insert or remove the micro SIM card from its slot.
A micro SIM card may already be inserted in your phone.
Replace the battery.
Replace the back cover.
You've completed the steps!
