Patent ID: 11886887
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 10:
11. An electronic device, comprising:
controllers comprising:
a first-level controller configured to update a first-level firmware, and write a second-level firmware to one of second-level controllers having a lower level than the first-level controller, wherein
the one of the second-level controllers is configured to boot by performing a reset operation,
the first-level controller or the booted second-level controller is configured to verify whether there is a target second-level controller with out-of-date firmware, and
the first-level controller or the booted second-level controller is configured to, in response to a result of the verifying of whether there is the target second-level controller being that there is the target second-level controller, perform a firmware update on the target second-level controller by writing, the second-level firmware to the target second-level controller.