MULTI-SYSTEM OTA UPGRADE METHOD AND MULTI-SYSTEM DEVICE

• Main Author: REN, Zhibin
• Format: Patent
• Language: Chinese; English; French
• Published: 28.09.2017
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION

The present invention relates to a multi-system OTA upgrade method and to a multi-system device. The method is applied to a multi-system device which has a main system and a sub-system. The method comprises: the main system sending upgrade query information, which comprises current version information about the main system and current version information about the sub-system, to a server; the main system receiving response data which comprises main system upgrade package information and sub-system upgrade package information and is returned when the server determines, according to the current version information about the main system and the current version information about the sub-system, that there is an upgrade package of the main system and/or sub-system; the main system downloading a sub-system upgrade package corresponding to the sub-system upgrade package information and sending same to the sub-system for upgrading the sub-system, or the main system sending the sub-system upgrade package information t