Perhaps you'd have better luck using "industrial grade" SD cards; should have more robust firmware. E.g.: https://www.sandisk.com/oem-design/industrial/indust

Perhaps you'd have better luck using "industrial grade" SD cards; should have more robust firmware. E.g.: https://www.sandisk.com/oem-design/industrial/industrial-cards https://www.sandisk.com/oem-design/industrial/industrial-car... http://www.cactus-tech.com/en/products/industrial-grade/sd-card http://www.cactus-tech.com/en/products/industrial-grade/sd-c...