If you have anything connected to pins A4 and A5 on your board, try removing those connections. A4 and A5 are the I2C bus pins and are used for communication with the ECC508 crypto chip on the Nano 33 IoT.
If you have anything connected to pins A4 and A5 on your board, try removing those connections. A4 and A5 are the I2C bus pins and are used for communication with the ECC508 crypto chip on the Nano 33 IoT.