No, I don't need it, it is recommended to install an AT&T SIM card or to use Plug and Play. a un AT&T store.Ahรญ verificaron Que la Sim estaba activada Y Que funcionaban los datas Y 4G en un cellular pero no en el modem.Ya tengo todo listo para devolverlo en el dรญa de maรฑana.Instrucciones de ayuda y Customer Service of Toushi inexistentes. My recommendation, no se le ocurra comprarlo.
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