Term Kind Topic What it is
A/B Partition Update Dual-Bank Update, Seamless Update pattern OTA Updates Writing a new device image to an inactive partition and switching to it only after verification, so that a failed update falls back to the known-good image instead of bricking the device.
A/B Partition Update pattern OTA Updates Writing firmware to an inactive partition and switching on next boot, so a failed update falls back to the previous image rather than bricking the device.
Local Revert On-Device Rollback, A/B Partition Update, Watchdog Revert pattern OTA Updates A device automatically returning to its previous known-good software or configuration when the new one fails, without needing to contact a server - the only mechanism that works when the failure prevents commu…