HP ELITE X3 User Manual page 17

NOTE: The nano SIM card in your device may look different from the illustration in this section.
2. Insert the nano SIM card (2) into slot 1, the one closest to the device.
NOTE: For select products, a second nano SIM card is supported. Continue to step 4 to install a second
SIM card.
3. Replace the tray (3) in the device.
4. If your device supports a second nano SIM card, insert the nano SIM card (1) into slot 2, and then replace
the tray (2) in the device.
NOTE: Install the second SIM card in the same direction as the first SIM card.
Installing nano SIM cards 11