Maintenance is not a common IoT device cost component, as it is typically covered by the manufacturer's warranty.

Per-unit is not a common IoT device pricing model, as it is typically used for physical goods rather than digital services.

Volume of production is not a factor that affects the cost of an IoT device, as it is typically determined by the manufacturer's pricing strategy.

Predictability is not a benefit of the pay-as-you-go IoT device pricing model, as it can be difficult to predict how much you will be charged each month.

Flexibility is not a benefit of the subscription IoT device pricing model, as it can be difficult to change your subscription plan once you have signed up.

Scalability is not a benefit of the per-device IoT device pricing model, as it can be difficult to scale your deployment if you need to add more devices.

Flexibility is not a benefit of the per-unit IoT device pricing model, as it can be difficult to change the price of your devices once you have set it.

Ethernet is not a common IoT device connectivity technology, as it is typically used for wired connections rather than wireless connections.

iOS is not a common IoT device software platform, as it is typically used for mobile devices rather than embedded devices.

Display is not a common IoT device hardware component, as it is not necessary for all IoT devices.

Automotive IoT is not a common IoT device application, as it is still a relatively new and emerging market.

Phishing is not a common IoT device security risk, as it is typically used to target users rather than devices.

Data retention is not a common IoT device privacy concern, as it is typically not a major issue for most IoT devices.

RoHS is not a common IoT device regulatory requirement, as it is typically only required for electronic devices that are sold in the European Union.

LoRa Alliance is not a common IoT device industry standard, as it is a relatively new and emerging standard.