The IoT card can't be applied to a cell phone, but it can be interpreted as a phone card that can't make phone calls. Both look similar and are issued by carriers. The difference is that the IoT card is billed on a per-traffic basis, uses a dedicated number segment and independent network elements, and is mainly applied to smart hardware and IoT devices.
The IoT card is launched by the three major carriers for the networking of smart devices, this IoT card is expressly prohibited from being used for personal devices, due to the IoT card traffic nationwide, inexpensive, so many unscrupulous agents tend to the form of traffic card to the personal market, how to be used for personal devices, it is very easy to seal the card.
The IoT card used in mobile devices will have a lot of problems, all the IoT card is not advocated for use in cell phones above, if used for cell phones can not real name, can not replace the card slot, but also very easy to seal the card, so again, IoT card is not recommended to be used for mobile devices.
The card itself is turned off the communication function: IoT card is not oriented to the individual market, are enterprises or organizations as a unit to the operator to order, you use the IoT card is the enterprise run by the traffic pool of a, if you use this card is not activated, or prepaid card expired or overloaded, and other reasons for the restriction may also lead to the communication function is turned off.