1. Insert the Kari into the small hole on the SIM card to eject the Cato. (Make sure the pin is perpendicular to the small hole.) Otherwise, the device may be damaged. ）
2. Gently pull the sim card out of the SIM card slot.
3. Place the golden contact point of the Sim/usim or UIM card into the SIM card 1 and the SIM card 2 respectively.
4. Reinsert the SIM card into the SIM card slot. (Carefully insert the SIM card to prevent the SIM from disengaging or dropping the Cato.) ）
SIM card 1:
SIM Card 2:
Note:
1. The device can only use Nano-sim/nano-usim or Nano-uim cards.
2. In some areas, if two SIM cards are inserted into the device, the data transfer rate may be slower than when inserting a card.
3. Dual-card slots in mainland China can not use at the same time two telecommunications cards.
4. Depending on the service provider, some LTE services may not be available. For more information about service availability, please contact your service provider
