US 2017/0322796 A1 · DEVICE AND METHOD FOR UPDATING FIRMWARE AND FIRMWARE UPDATE SYSTEM

Abstract

Disclosed herein are a device and method for updating firmware and a firmware update system. The device for updating firmware include an update manager for receiving delta information about the latest version of firmware from an update server by checking information about a version of firmware installed in a terminal device and for updating the firmware installed in the terminal device using the delta information, and a bootloader for restoring the updated firmware using previously stored backup information when the updated firmware is not normally launched or when an error occurs during the update of the firmware.

Claims20

Dependent claims

A firmware update device, comprising:

an update manager for receiving delta information about a latest version of firmware from an update server by checking information about a version of firmware installed in a terminal device and for updating the firmware installed in the terminal device using the delta information;
and
a bootloader for restoring the firmware using previously stored backup information when the updated firmware is not normally launched or when an error occurs,
wherein the update manager creates backup information for data stored at a location corresponding to the delta information, among data of the firmware installed in the terminal device, and stores the backup information.

1 more element

Dependencies are inferred from the claim text.

Device and method for updating firmware and firmware update system

Life of this patent

Device and method for updating firmware and firmware update system

Life of this patent

Abstract

Claims20