Lenovo K6 Quick Start Manual page 6

Single-SIM model
A Nano-SIM card provided by your carrier is required in order to use
cellular services
Install the Nano-SIM card and microSD card as shown
Step 1. Insert the eject tool that comes with your smartphone into the
hole in the card tray.
Step 2. Pull out the card tray and position a Nano-SIM card in Slot 1
and a microSD card in Slot 2;
Step 3. Carefully insert the tray with the installed cards back into the
slot.
① Only Nano-SIM cards work with your smartphone.
② Always turn off your smartphone first before you insert or remove
a Nano-SIM card. Insert or remove a Nano-SIM card with your
smartphone on may damage your Nano-SIM card or smartphone
permanently.
. A microSD card is required to store data.
①
3
.
②