Now, you should find two different sized slots. Your SIM card will fit into the smaller of the two while the microSD card will go into the larger slot. Make sure to align this up correctly with ...

Your SIM card will fit into the smaller of the two while the microSD card will go into the larger slot. Make sure to align this up correctly with the metallic side pointing towards the back of the ...

Step 3: When the SIM/microSD card tray pops out, pull it out completely with your fingers. Step 4: Insert the tray back into the slot and wait a few seconds for the device to recognize the card.

Using the ejection pin, carefully insert it into the hole on the SIM card or SD card tray. This is located on top of the phone. Be sure not to pick the microphone hole which is also located on top.

Slide the card tray out of its slot. Insert or remove the nano SIM or microSD card into or from the tray with the gold contacts facing the back of the phone.

This post shows you how to insert a SIM card & set up data connection on your Surface device to stay connected anywhere you go.