Install Yeastar P520

Install SIM card

Note: Before installing the SIM card, make sure GSM/3G/4G LTE module is inserted on Slot_1.
  1. Loosen the screws on the bottom of the device.

  2. Remove the upper cover.

  3. Follow the instructions to insert a SIM card on the GSM/3G/4G LTE module and then insert the module to the Module Slot.

  4. Close the cover and fix the screws.

  5. Rotate the antenna into the Antenna Socket.