A method performed on an augmented reality (AR) wearable device includes providing an over-the-air (OTA) update to all processors of a three-processor system, each processor of the three processor system having a respective current plurality of partitions and a respective last plurality of partitions. A communication error is detected between two or more processors of the three processor system after the OTA update. Respective active partitions are set for at least one of three processors to the last respective partition. The three processors are rebooted.