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

Claim 0:
1. An operating method of an electronic device including controllers, the operating method comprising:
updating, by a first-level controller of the controllers, a first-level firmware of the first-level controller;
writing, by the first-level controller, a second-level firmware to one of second-level controllers of the controllers having a lower level than the first-level controller;
booting, by the one of the second-level controllers, by performing a reset operation;
verifying, by the first-level controller or the booted second-level controller, whether there is a target second-level controller with out-of-date firmware; and
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, performing, by the first-level controller or the booted second-level controller, a firmware update on the target second-level controller by writing the second-level firmware to the target second-level controller.