What is FOTA?

FOTA means Firmware Over-The-Air.

This technology enables the operators of IoT devices to update the device firmware directly over the internet. This can be done completely remotely and without any physical intervention. FOTA might be necessary to add new features or fix bugs in an IoT device.

A familiar example for FOTA is your Smartphones' firmware update. You just have to click a button and the Software is updated over the air ( Internet ).