WO2009079866A1

WO2009079866A1 - Firmware upgrading process method and system of mobile terminal

Info

Publication number: WO2009079866A1
Application number: PCT/CN2007/003791
Authority: WO
Inventors: Zhengyang Zhang
Original assignee: Zte Corporation
Priority date: 2007-12-25
Filing date: 2007-12-25
Publication date: 2009-07-02

Abstract

A firmware upgrading process method and system of mobile terminal is provided. The method includes: the mobile terminal downloads an upgrading firmware version and stores backup of current firmware version in its memory (S402). The mobile terminal carries out firmware updating and updates the current firmware version to the upgrading firmware version (S404). According to the present invention, the version is backed up, returning operation can be carried out when upgrading failures and accidents occur, so that users can return to the original backup version at any moment, so as to prevent the fatal problem of the occurrence of such as that the terminal can not be used after upgrading, therefore, safe and reliable firmware upgrading is ensured. Furthermore, when operation of the firmware upgrading fails in great area, it is ensured that user returns to backup version rapidly, so that high cost caused by operating and maintaining department of provider or client service department of manufacturer is avoided, so as to decrease operation and maintenance cost of device.

Description

TECHNICAL FIELD The present invention relates to over the air (OTA) in the field of communications, and in particular to a firmware upgrade of a mobile terminal based on the OMA-DM (Device Management) protocol. Processing method and system. Background of the Invention A mobile terminal (or wireless terminal) is a general term for devices such as mobile phones, wireless local calls, modems, or wireless network cards. The operation closely related to the mobile terminal is the remote firmware upgrade of the mobile terminal. Obviously, the original intention of the remote firmware upgrade operation is to tamper with or improve the original firmware program to achieve the purpose of "upgrade". Closely related to remote firmware upgrades is Over The Air (OTA). OTA refers to the technology of uploading and downloading data over the air. Currently, one of the most widely used applications of this technology is the downloading and upgrading of firmware for mobile terminals such as mobile phones. The standardization of OTA technology was developed and implemented by the Open Mobile Alliance (OMA). Figure 1 shows a ΟΜΑ based wireless communication system. As shown in FIG. 1 , the implementation of the ΟΤΑ is performed by the OMA-DM (Device Management) and the OMA client. Specifically, the OMA-DM server refers to the network-side device management device conforming to the OMA protocol. The OMA client can be a mobile phone or other mobile terminal that supports the OMA protocol. Among them, DM is a technology for remotely optimizing terminal related transactions on the network side through software solutions. The full name of the DM protocol is the Syncml Device Management Protocol, which is based on the Syncml Representation Protocol and the Syncml Synchronization Protocol. It is the specific application of the above protocol in the DM. In a nutshell, it defines how various device management commands are executed on the nodes of the device management tree. The OMA-DM specification consists of three components:

1) Communication mechanism and communication protocol between the server and the terminal;

2) The data model executed by the remote end, that is, the management object (Management Object, referred to as MO ), including the defined data management node and operation management node;

3) A policy for determining the operational parameters or updating the body of the device object.

OMA-DM uses XML files to describe the mechanism of device client management objects. It is called Device Description Framework (DDF for short). The DDF file references Syncml to represent the protocol as a structural description of the document. OMA DM defines functional management objects such as FUMO (Firmware Update Management Object), SCOMO (Software Component Management Object), and ConnMO (Connection Management Object). Among them, FUMO is designed to specify the management object of the air firmware update and the device management behavior supporting this process, for example, including how to use the DM protocol and the OMA DL protocol for firmware update downloading, and the interface between the server and the client. . In fact, after the remote firmware upgrade operation of the mobile terminal is completed, the function or performance expected by the upgrade cannot be achieved due to the abnormal operation state of the mobile terminal after upgrading, the incompatibility of the upgrade firmware and the hardware, or the design flaw of the new firmware. Claim. In this case, it is generally necessary to return the mobile terminal to the factory for repair or use a special upgrade mode to refresh the firmware again. At this time, the mobile terminal user often falls into a dilemma, that is, neither the original firmware nor the upgrade firmware can be used. Therefore, there is a need for a more optimized approach to firmware upgrades. SUMMARY OF THE INVENTION The present invention has been made in view of the above problems in the firmware upgrade processing existing in the related art, particularly in the case of a firmware upgrade failure. To this end, the present invention aims to provide a mobile terminal firmware upgrade processing scheme capable of ensuring firmware upgrade security by rolling back to the original version when the firmware upgrade fails. According to an aspect of the present invention, a mobile terminal firmware upgrade processing method is provided. The method includes: the mobile terminal downloads the upgrade firmware version, and saves the backup of the current firmware version in its memory; the mobile terminal performs the firmware update, and updates the current firmware version to the upgrade firmware version. Preferably, the method further includes: performing the rollback operation by the mobile terminal under predetermined conditions, wherein the backoff operation is specifically: the mobile terminal acquires the backup version in the memory, and overwrites the upgrade firmware version with the backup version. The foregoing predetermined condition includes any one of the following: the operation of the firmware update fails, the mobile terminal automatically performs the rollback operation; after the operation of the firmware update is completed, the user of the mobile terminal triggers the mobile terminal to perform the rollback operation; or, the operation of the firmware update After the completion, the mobile terminal reports the running status, and the device management server determines that the running status of the mobile terminal is abnormal, and instructs the mobile terminal to perform the rollback operation. Preferably, the above method further includes the following processing: setting a firmware version backup area in a memory of the mobile terminal in advance, and saving the current firmware version in the firmware version backup area. In the above method, the ^^ version of the upgrade firmware version is one of the following: a backup of the current firmware version, a backup of the non-current firmware version specified by the mobile terminal or the device management server. Preferably, the mobile terminal firmware upgrade processing method according to the present invention includes: setting a fallback operation management node in a firmware update management object related to the mobile terminal, and the fallback operation management node is configured to manage the mobile terminal's fallback operation; The state management node of the firmware update management object related to the mobile terminal sets the pre-provision data parameter, the retraction execution parameter, and the fallback success parameter; wherein, the pre-version data parameter indicates that the pre-execution data is performed. Used to indicate that the rollback operation is performed; the rollback success parameter is used to indicate that the rollback operation is successful. In the invention, a mobile terminal firmware upgrade processing system is also provided. The system includes: a download module for downloading an upgrade firmware version; a memory for saving a backup of the current firmware version; a firmware update module for performing a firmware update, updating the current firmware version to an upgrade firmware version; Module, used to perform the rollback operation under predetermined conditions, obtain the ^■ version from the memory, and overwrite the upgrade firmware version with the ^^ version. The predetermined condition includes the following: the operation of the firmware update fails, the mobile terminal automatically performs the rollback operation; after the firmware update operation is completed, the user of the mobile terminal triggers the mobile terminal to perform the rollback operation; the firmware update operation is completed. After the mobile terminal reports the running status, the device management server determines that the running status of the mobile terminal is abnormal, and instructs the mobile terminal to perform the rollback operation. In addition, a firmware version backup area is set in the memory, and the memory saves the current firmware version in the firmware version backup area. By the present invention, by performing a backup of the version in the firmware upgrade process, an upgrade failure and an accident may occur. When the user performs a rollback operation, the user can roll back to the original backup version at any time, thereby preventing fatal problems such as the inability of the terminal to be upgraded after the upgrade, thereby ensuring the security upgrade of the firmware, and further, by the present invention, when the mobile terminal Firmware upgrade operation has failed a large area In this case, the user can be quickly rolled back to the backup version, which can avoid the high cost incurred by the operator's operation and maintenance department or the service department of the equipment manufacturer's customer service department, thereby reducing the operation and maintenance cost of the equipment. Other features and advantages of the invention will be set forth in the description which follows, and The objectives and other advantages of the invention will be realized and attained by the <RTI The drawings are intended to provide a further understanding of the invention, and are intended to be a part of the description of the invention. In the drawings: FIG. 1 is a schematic diagram of a wireless communication system according to the related art OMA DM protocol; FIG. 2 is a schematic diagram of a FUMO management object of an OMA DM protocol according to the related art; FIG. 3 is a OMA DM protocol according to an embodiment of the present invention. FIG. 4 is a flowchart of a firmware upgrade processing method of a mobile terminal according to an embodiment of the present invention; FIG. 5 is a state transition diagram of a firmware upgrade upgrade of a mobile terminal according to an embodiment of the present invention; A block diagram of a mobile terminal firmware upgrade processing system of an embodiment of the invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The preferred embodiments of the present invention are described with reference to the accompanying drawings. Method Embodiments According to an embodiment of the present invention, a method for processing firmware upgrade of a mobile terminal is provided. In this method, security of firmware upgrade can be ensured by rolling back to the original version when the firmware upgrade fails. First, FIG. 2 shows a schematic diagram of a FUMO management object based on the OMA DM protocol according to the related art. The definitions of the various elements shown in Figure 2 are as follows: (1) FUMO_X 101 : Indicates a management object node that conforms to the FUMO definition. The node can be a dynamic node or a static node. This is determined by the device vendor. The location of the node is described in the DDF file of the device. The type must also be described as a FUMO object.

(2) PkgName 102: The version name of the upgrade firmware package; (3) Pkg Version 103: The version number of the upgrade firmware package;

(4) Download 104: "Firmware download operation, management node, executed by Exec;

(5) PkgURL 105: URL of the update package (Universal Resource Locator) download address;

(6) Update 106: "Firmware update operation, management node, executed by Exec; (7) PkgData 107: upgrade firmware packet;

(8) DownloadAndUpdate 108: "Firmware Download and Update Operation Now" management node, which is executed by Exec;

(9) State 109: The management node identifies the current state in the firmware upgrade;

( 10 ) Ext 110: For the vendor's own extension. Fig. 3 shows a schematic diagram of a FUMO management object of the OMA DM protocol according to an embodiment of the present invention. As shown in Figure 3, compared to the structure shown in Figure 2, the following elements have been added:

( 11 ) Withdraw 111 : "Rewind operation" management node, which is executed by Exec;

( 12 ) OldPkgData 112: Packet for the firmware version before the upgrade. Contains the version name, version number, and version data. Wherein, in the FUMO management object according to the embodiment of the present invention shown in FIG. 3,

PkgName, Pkg Version, PkgData, PkgURL, State and other data management nodes, as well as operation management nodes such as Download, Update, DownloadAndUpdate, etc., to ensure that all steps of the firmware upgrade can be completed step by step or one time. For example, the added Withdraw operation belongs to the operation after the Update update fails. Based on the above, as shown in FIG. 4, the OMA-DM protocol-based mobile terminal firmware upgrade processing method according to the embodiment of the present invention may be described as including the following operations: Step S402, the mobile terminal downloads the upgrade firmware version, and saves the backup of the current firmware version in its memory; preferably, before the process, the mobile terminal sets the firmware version backup area in the memory of the mobile terminal in advance, and backs up in the firmware version. The backup of the current firmware version is saved in the area; in step S404, the mobile terminal performs a firmware update to update the current firmware version to the upgrade firmware version. Preferably, after the step S404, the method further includes the following operations: the mobile terminal performs a rollback operation under the predetermined condition, where the rollback operation is specifically: the mobile terminal acquires the version in the memory, and overwrites with the backup version. To upgrade the firmware version, the ^^ version mentioned here may be a backup version of the current firmware version saved before the update operation, or may be a backup version specified by the mobile terminal or the server, that is, from the time of use of the version, it may be new The previous version of the version can also be other versions. Wherein, the predetermined conditions mentioned above include but are not limited to any one of the following:

(1) The firmware update operation fails, and the mobile terminal automatically performs the rollback operation; (2) After the firmware update operation is completed, the user of the mobile terminal triggers the mobile terminal to perform the rollback operation; for example, the mobile terminal user is not satisfied with the firmware upgrade. When the wireless interrupt function or performance is used, the rollback operation can be initiated actively;

(3) After the operation of the firmware update is completed, the mobile terminal reports the running status, and the OMA DM server determines that the operating state of the mobile terminal is abnormal, and instructs the mobile terminal to perform the rollback operation. In combination with the FUMO management object given above, the processing method of the mobile terminal firmware upgrade according to the embodiment of the present invention can be described as follows:

(1) Firmware upgrade initialization: The client or the server notifies the mobile terminal that the firmware update is to be initiated by push or other means, and the mobile terminal reports the device information to the server;

(2) New firmware download and original firmware backup: The server sends an Exec command on the FUMO-X/DownloadAndUpdate or FUMO-X/Download node, and the device executes. After the new firmware of the mobile terminal is downloaded, the original firmware version OldPkgData is backed up. The specified storage area;

(3) Firmware update and may trigger a rollback operation. (4) The firmware is rolled back. When the mobile terminal receives the "return operation" command, it initiates and executes the Exec command on the FUMO_X/Withdraw node, and overwrites the current firmware version with the original firmware version OldPkgData in the storage area, and Update current firmware version information;

(5) Reporting of the fallback result information: The mobile terminal reinstalls the original firmware and reports the current running status and device information of the OMA DM server. In the original OMA DM protocol, the entire firmware upgrade process contains the status of the FUMO management object as shown in the following table:

A state transition diagram of the mobile terminal firmware upgrade processing method in the embodiment of the present invention is shown in FIG. As shown in FIG. 5, the above-mentioned "Backup Old Data" state (110) is a state between "Ready to Update" (50) and "Update Progressing" (60), that is, after the download is completed, the backup is performed. Operation, then update operation (50-110-60). The "Withdraw Processing" (120) and "Withdraw Complete" (130) states are automatically triggered after the update fails (processing path 80-120-130) or actively triggered by the user/OMA server (processing path 10-120-130). System Embodiment According to an embodiment of the present invention, a mobile terminal firmware upgrade processing system is provided. Figure 6 shows a block diagram of the system. As shown in FIG. 6, the OMA-DM protocol-based mobile terminal firmware upgrade processing system according to the embodiment of the present invention mainly includes: a downloading module 602, a memory 604, a firmware update module 606, and a fallback execution module 608.

The above various elements will be further described below in conjunction with the drawings. The download module 602 is configured to download an upgrade firmware version; the memory 604 is connected to the download module 602 for saving a backup of the current firmware version therein; the firmware update module 606 is connected to the download module 602 for performing a firmware update, and the current firmware version The update firmware version is updated; the fallback execution module 608 is configured to perform a fallback operation under predetermined conditions, obtain a ^^ version from the memory 604, and overwrite the upgrade firmware version with the ^^ version. Preferably, the firmware version ^ area is set in the memory 604 in advance, and the current firmware version is saved in the firmware version backup area. The predetermined condition includes the following: The operation of the firmware update fails, and the mobile terminal automatically executes After the operation of the firmware update is completed, the user of the mobile terminal triggers the mobile terminal to perform the rollback operation; after the firmware update operation is completed, the mobile terminal reports the running status, and the device management server determines that the mobile terminal is in an abnormal state, indicating the mobile terminal Perform a rollback operation. The various details described in the above method embodiments are equally applicable to the system embodiment, and thus, repeated description of the same or similar parts is omitted. It should be noted that the mobile terminal firmware upgrade processing method according to the embodiment of the present invention can be applied to existing mobile communication and wireless communication systems, which can be used not only for remote firmware upgrade but also for application download and mobile phone failure. Online detection, even virus/malware protection. As described above, by means of the present invention, by backing up the pre-update version, the rollback operation can be performed in the event of an upgrade failure or an accident, so that the user can fall back to the original backup version at any time, thereby preventing the upgraded terminal from appearing. The fatal problem can not be used, so that the firmware upgrade is safe and reliable. In addition, the present invention can ensure that the user quickly rolls back to the backup version when the mobile terminal firmware upgrade operation fails in a large area, thereby avoiding the operator's High costs incurred by the operations of the operations and maintenance department or the customer service department of the equipment manufacturer, thereby reducing the operation of the equipment Maintenance costs. The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

Claims

A mobile terminal firmware upgrade processing method, comprising: the mobile terminal downloading an upgrade firmware version, and saving a backup of the current firmware version in its memory;

The mobile terminal performs a firmware update to update the current firmware version to the upgrade firmware version. The method according to claim 1, further comprising:

The mobile terminal performs a fallback operation, where the retreating operation is specifically: the mobile terminal acquires a backup version in the memory, and overwrites the upgrade firmware version by using the backup version. The method according to claim 2, wherein the predetermined condition comprises any one of the following:

The operation of the firmware update fails, the mobile terminal automatically performs the rollback operation; after the firmware update operation is completed, the user of the mobile terminal triggers the mobile terminal to perform the rollback operation; or

After the operation of the firmware update is completed, the mobile terminal reports an operation status, and the device management server determines that the operation status of the mobile terminal is abnormal, and instructs the mobile terminal to perform the back-off operation. The method according to any one of claims 1 to 3, further comprising: setting a firmware version ^^ area in the memory of the mobile terminal in advance, and in the firmware version ^^ The method of any one of claims 1 to 3, wherein the backup version covering the upgrade firmware version is any one of the following: And the method of claim 2 or 3, further comprising:

And setting a fallback operation management node in the firmware update management object related to the mobile terminal, where the fallback operation management node is configured to manage the fallback operation of the mobile terminal. The method according to claim 2 or 3, further comprising: setting a pre-backup version data parameter, a back-off execution parameter, and a back in a state management node of the firmware update management object related to the mobile terminal Retreat success parameter;

The pre-backup version data parameter indicates that the pre-reversion data is backed up, and the retraction execution parameter is used to indicate that the retreat operation is performed; and the retraction success parameter is used to indicate that the retraction operation is successful. A mobile terminal firmware upgrade processing system, comprising:

Download module for downloading the upgrade firmware version;

a memory, in which a backup of the current firmware version is saved;

a firmware update module, configured to perform a firmware update, and update the current firmware version to the upgrade firmware version;

And a rollback execution module, configured to perform a rollback operation under predetermined conditions, obtain a backup version from the memory, and overwrite the upgrade firmware version with the backup version. The system according to claim 8, wherein said predetermined condition comprises any one of the following:

The operation of the firmware update fails, the mobile terminal automatically performs the retreat operation; after the operation of the firmware update is completed, the user of the mobile terminal triggers the mobile terminal to perform the rewind operation;

After the operation of the firmware update is completed, the mobile terminal reports an operation status, and the device management server determines that the operation status of the mobile terminal is abnormal, and instructs the mobile terminal to perform the back-off operation. The system according to claim 8 or 9, wherein the memory is provided with a firmware version backup area, and the memory stores the current firmware version in the firmware version backup area.