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Hardware/fuse disabling OTA updates for security?

billyjoel
Associate

Hi All!

We have a requirement to disable OTA updates either via hardware or by settings a fuse, this is due to the need for a low-maintaince, low-complexity, high-security method to prevent updates to those without physical access to the device.

Is there a fuse or fuses that can be used for this purpose? Or maybe a PIN that can be used for this?

We're looking to disable the OTA (aka FUOTA) for the STM32WLE5CBU6 which is listed as OTA capable in the datasheet.

Thanks all! :D

 

 

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