A :Yes,Make sure the SIM card is supporting at least 2G GSM network and with GPRS function.
Q: Are your APP and platform free to use? A: Yes, both of them are free to use for lifetime.
Q: As you are the direct manufacturer, can I order one or two samples from you? A: Yes, we also support sample orders.
Q: Do you offer OEM service, like make us a new APP with our logo? A: Yes, we support OEM service, including making your APP, printing your logo on device and customizing boxes, manual with your language, etc.
Q: Can I put order with PayPal for a fast shipment? A: Sure, we support both alibaba online orders and Paypal, T/T, Western Union offline orders. Please contact us for details.