Polaris Group Control
20 mobile phone boards + main control board + self-developed batch operation software (group control) The mainboard MOMO environment is perfect, no USB debugging mode, no Ethernet (Ethernet to WIFi), simulated SIM One device, equivalent to 20 mobile phones, does not need a SIM card. Connect to the local network, buy the device and give away the group control software. There is no need for any subsequent fees, and it will be used free of charge forever.
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