厦 门 才 茂 通 信 科 技 有 限 公 司Xiamen Caimore Communication Technology Co.,Ltd32.2 Install SIM CardSIM card stores information such as user identification, network settings, additionalservice information and so on. The MNVR supports 1.8V/3V/5V SIM card, and user caninsert SIM card without opening the enclosure.The method to insert the SIM card:Before powering the MNVR, turn the side with metal contact surface up while puttingit on card tray. As picture showing:After that, please turn the card tray 180 ° to make the metal contact face down andinsert it to MNVR. As picture showing:Notice: Please do not insert or pull out the SIM card when MNVR is charged!