Quick definition: Over-the-Air, often abbreviated as OTA, is essentially just a synonym for “wirelessly.” If something can be done OTA, that just means it happens through a network without a direct hardwired connection.
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SIM, eSIM vs iSIM: What’s the Difference?
As you explore cellular components, at times you may hear several different terms for components that provide the same core function, such as a SIM, eSIM, and iSIM. The difference between these components could have a significant impact on your device’s future functionality, security, and scalability, so it’s important to understand the differences between them.
What Is a Soft SIM?
Soft SIMs deliver all the same capabilities of a physical SIM card without taking up any physical space in the device. They offer several potential advantages for manufacturers, but they have drawbacks as well.