CN101184301A - Mobile terminal remote firmware updating method and system - Google Patents
Mobile terminal remote firmware updating method and system Download PDFInfo
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- CN101184301A CN101184301A CNA2007101995727A CN200710199572A CN101184301A CN 101184301 A CN101184301 A CN 101184301A CN A2007101995727 A CNA2007101995727 A CN A2007101995727A CN 200710199572 A CN200710199572 A CN 200710199572A CN 101184301 A CN101184301 A CN 101184301A
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Abstract
The invention discloses a remote firmware upgrading method and the system of mobile terminal, wherein, the upgrading method comprises the following process: the application server prepares and downloads the pending firmware package to the OMADM server; the OMADM server establishes connection with the mobile terminal and downloads the firmware package to the mobile terminal. The upgrading system comprises an OMA DM server. The invention can realize the remote firmware upgrading of mobile terminal with the FOTA technique without influencing the normal business of the customers, and can guarantee the efficiency and continuity of the firmware downloading. Through executing the backing operation, the invention guarantees the security and reliability of the firmware upgrading in the condition that the firmware upgrade is failed. The invention has the advantages of general applicability, low cost of network reform and high utilization ratio of signal channel.
Description
Technical field
The present invention relates to the aerial download technology of firmware (Firmware Over TheAir abbreviates FOTA as) of communication field, particularly, relate to mobile terminal remote firmware updating method and system based on OMA DM (DeviceManagement, equipment control) agreement.
Background technology
Development along with mobile communication, portable terminal such as mobile phone, PDA(Personal Digital Assistant) etc. no longer has been only to serve as simple conversation instrument, on the contrary, it is integrated multimedia function, personal information management function and amusement function etc., progressively having developed becomes " palmtop ".
Simultaneously, complicated function must need complicated software design, and in other words, the maintenance of portable terminal, firmware upgrade etc. need be finished by producer or service provider usually.With the mobile phone is example, in user's use, when occur mobile phone blank screen, deadlock etc. since firmware (Firmware) defective cause fault the time, perhaps when a mobile phone has increased new business or new function on original hardware platform when, common way is that manufacturer makes house calls or downloaded from the Internet firmware voluntarily or to the customer service maintenace point of appointment the machine internal program is upgraded by the user, and this has brought great inconvenience for user and operation maintenance department.
On the other hand, FOTA (Firmware Over The Air, the aerial download technology of firmware) more and more is subjected to extensive concern as technology by aerial downloading mode remote upgrade mobile phone firmware, and constantly perfect along with mobile terminal function, the FOTA technology also will be applied in the mobile service more and more.OMA (Open Mobile Alliance, Open Mobile Alliance) is devoted to advance the standardization of FOTA technology, realizes the plug and play (plug-n-play) that cell phone software upgrades based on unified standard.
DM (Device Management, terminal unit management) is by a kind of technology of software solution in the related service of the long-range optimization mobile phone of network side, and DM adopts client and server model, and FOTA is one of application the earliest of DM.The realization of FOTA can be finished by OMA DM server and OMA client.OMA DM server can be the network side terminal management apparatus that meets the OMA agreement, and it can provide necessary connection between the information of preserving on client of operator relation management system and the user mobile phone; The OMA client can be to support the mobile phone or the wireless terminal of OMA agreement.
At present, the cellphone subscriber has urgently wished to enjoy remote upgrade and the maintenance service easily as the pc user, and operator and terminal manufacturer also wish to find an effective method to manage mobile device to reduce risk, to branch out and reduce cost by wireless network.Based on the demand, remote upgrade and maintenance service have appearred, but following two defectives of currently used scheme ubiquity: 1) propose, do not have generality based on the particular communication system; 2) bigger for former communication system transformation, the upgrade cost height.
Summary of the invention
Consider that there is inconvenience in the portable terminal firmware upgrade that exists in the correlation technique, and currently used remote upgrade scheme do not have generality and realizes the cost problem of higher and propose the present invention.For this reason, the present invention aims to provide a kind of mobile terminal remote firmware updating scheme based on the FOTA technology.
According to an aspect of the present invention, a kind of mobile terminal remote firmware updating method is provided, be used to comprise the network system of portable terminal, Open Mobile Alliance terminal unit management server (OMADM server), application server, authentication server, wherein, above-mentioned portable terminal is supported the OMA agreement.
Remote firmware updating method according to the present invention comprises following processing: application server will pass to OMA DM server under the firmware bag to be downloaded; OMA DM server and portable terminal connect, and the firmware bag is downloaded to portable terminal.
Preferably, before application server passes to OMA DM server under with the firmware bag, comprise following processing: portable terminal or application server are initiated the remote firmware updating operation; Authentication server carries out subscription authentication to portable terminal; Application server is ready to firmware bag to be downloaded.
Wherein, the processing that above-mentioned portable terminal is initiated the remote firmware updating operation is specially: portable terminal is used for to application server request firmware downloads to application server transmission firmware downloads business request information; Application server returns the firmware downloads service response message to portable terminal.The processing that above-mentioned authentication server carries out subscription authentication is specially: authentication server sends the subscription authentication request message to portable terminal; Portable terminal returns the subscription authentication response message to authentication server; Authentication server sends the subscription authentication results messages to application server.
In addition, preferably, before application server passes to OMA DM server under with the firmware bag, further comprise following processing: application server sends OMA DM initiation message to OMA DM server, and notice OMA DM server prepares to receive data; The OMADM server returns OMA DM acknowledge message to application server, and the notice application server has been ready to receive data.
Preferably, in above-mentioned processing, after OMA DM server and portable terminal connect, carry out information (comprising: equipment and version information) alternately.
And in above-mentioned processing, OMA DM server carries out lossless compress to the firmware bag, and the firmware bag after will compressing downloads to portable terminal.
On the basis of above-mentioned processing, comprise further that according to remote firmware updating method of the present invention following processing one of at least: after the download of finishing the firmware bag, OMA DM server disconnects with portable terminal and being connected; Portable terminal decompresses to the firmware bag, and carries out firmware update after firmware downloads finishes; Portable terminal reports the running of mobile terminal status message to OMA DM server, and under the situation by checking, OMA DM server sends to download to application server finishes message, finishes remote firmware updating.
Preferably, further comprise following processing according to remote firmware updating method of the present invention: after firmware downloads finishes, portable terminal is preserved the backup of current version of firmware, at the firmware update operation failure or under, use the firmware version of backup to cover the firmware version (can be understood as rollback operation) that upgrades not by situation about verifying.
According to a further aspect in the invention, provide a kind of mobile terminal remote firmware updating system.This system comprises portable terminal, application server, core switching network, base station, and wherein, above-mentioned portable terminal is supported the OMA agreement.
This system further comprises Open Mobile Alliance terminal unit management server (OMADM server), OMA DM server is connected with core switching network and application server by standard interface, and connect by base station and portable terminal, be used to receive the firmware bag that issues by application server, and the firmware bag is downloaded to portable terminal.
By the present invention, than correlation technique, can need not that existing network infrastructure is carried out bigger change, and do not influence under the situation of carrying out of user's regular traffic, realize mobile terminal remote firmware updating at lower cost by means of the FOTA technology, and guaranteed the efficient and the continuity of firmware downloads; In addition, by under the situation of firmware update failure, carrying out rollback operation, can guarantee the safety and the reliability of firmware upgrade.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with embodiments of the invention one, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the network architecture diagram that is used to implement according to the mobile terminal remote firmware updating method of the embodiment of the invention;
Fig. 2 is the concise and to the point process chart according to the mobile terminal remote firmware updating method of the embodiment of the invention;
Fig. 3 is the flow chart according to the mobile terminal remote firmware updating method of the embodiment of the invention;
Fig. 4 is the Signalling exchange flow chart according to the mobile terminal remote firmware updating method of the embodiment of the invention;
Fig. 5 is the structured flowchart according to the mobile terminal remote firmware updating system of the embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
As mentioned above, follow the FOTA technical specification maturation of OMA agreement, it does not rely on network type, can be widely used in mobile communications networks such as CDMA/GSM/3G/PHS/WiMAX.Simultaneously, because the FOTA technology provides functions such as breakpoint transmission, service priority setting, data check, therefore can guarantee the efficient and the continuity of firmware downloads.For this reason, the invention provides a kind of mobile terminal remote firmware updating technology based on the FOTA technology.
Method embodiment
According to the embodiment of the invention, provide a kind of mobile terminal remote firmware updating method based on the FOTA technology.
At first, Fig. 1 shows the network system based on next generation network (NGN) framework that is used to implement this method, and it is fit to but is not limited to following system: 2G (GSM, CDMA) cell mobile communication systems; 3G (WCDMA/CDMA2000/TD-SCDMA) cell mobile communication systems; The PHS Personal Handyphone System(PHS) inserts; WiMAX, WiFi broadband wireless data Access Network.
As shown in Figure 1, this network system comprises: (Mobile SubscriberStation MSS), can comprise all kinds of mobile phones or wireless terminal to portable terminal, and supports the OMA agreement; Open Mobile Alliance terminal unit management (OMA DM) server is used to realize the OTA technology; (Application Service Server ASS), is used to provide all kinds of business to application server; (Core Switching Network CSN), is used to provide functions such as subscription authentication, authentication and charging to the core switching network, and it comprises authentication server (CSN-AAA); In addition, base station controller or IAD (Base Station Controller/Access GateWay, BSC/AGW) constituted Radio Access Network (Radio Access Network, RAN).
Need to prove that before implementing the present invention, the user need apply for registration of " mobile terminal remote firmware updating " business by the outlet of operator or by the modes such as growth business platform of mobile phone, becomes legal contracted user.In addition, the portable terminal of mentioning in this article includes but not limited to mobile phone, PDA(Personal Digital Assistant) etc.
Wherein, Fig. 2 shows the outline flowchart according to the remote firmware updating method of the embodiment of the invention, and Fig. 3 shows the flow chart of this method, and Fig. 4 shows the Signalling exchange flow chart of this method simultaneously.
Based on foregoing description, as shown in Figure 2, briefly say, can roughly can comprise following processing according to remote firmware updating method of the present invention: start remote firmware updating---＞subscription authentication---preparation of＞firmware---＞connect, compression, FOTA downloads, and---＞(preferably, backing up former firmware)---＞firmware update (preferably, state reports)---＞upgrading that decompresses finishes.
Particularly, can carry out following description to remote firmware updating method according to the embodiment of the invention:
At first, portable terminal (MSS) or application server (ASS) are initiated the remote firmware updating operation; For example, can when having staging business needs (patch installing, configuration parameter, downloading application software), start this operation; Particularly, as shown in Figure 4, wherein, the processing that portable terminal is initiated the remote firmware updating operation is specially: portable terminal sends " firmware downloads business request information " to application server, is used for to application server request firmware downloads (401); Application server returns " firmware downloads service response message " (402) to portable terminal;
Afterwards, authentication server (GSN-AAA) carries out subscription authentication to portable terminal, the legitimacy of authenticated user identity; Particularly, as shown in Figure 4, the processing that authentication server carries out subscription authentication is specially: authentication server sends " subscription authentication request message " (403) to portable terminal; Portable terminal returns " subscription authentication response message " (404) to authentication server; Authentication server sends " subscription authentication results messages " (405) to application server, and after authentication was passed through, application server was ready to firmware bag to be downloaded;
On the basis of above-mentioned processing, as shown in Figure 4, further comprise following processing: application server sends OMA DM initiation message to OMA DM server, and notice OMADM server prepares to receive data (406); OMA DM server returns OMA DM acknowledge message to application server, and the notice application server has been ready to receive data (407).
Next, proceed to following processing shown in Figure 3:
Step S302, application server are ready to firmware bag to be downloaded, and will pass to OMA DM server under the firmware bag; In this step, OMA DM server can carry out lossless compress to the firmware bag, and passes to portable terminal under the firmware bag after will compressing, that is, carry out passing under the data flow (408);
Step S304, OMA DM server is connected to the base station by CSN and AGW, and then set up by base station and portable terminal and to be connected (corresponding to 409 among Fig. 4) in the air, by FOTA the firmware bag is downloaded to portable terminal (corresponding to 410 among Fig. 4), and after the two connects, can carry out information (comprising: equipment and version information) alternately.
Preferably, on the basis of above-mentioned processing, comprise further that according to the remote firmware updating method of the embodiment of the invention following processing one of at least: after the download of finishing the firmware bag, OMA DM server disconnects with portable terminal and is connected (corresponding to 411 among Fig. 4); Portable terminal decompresses to the firmware bag, and carries out firmware update after firmware downloads finishes; Portable terminal reports running of mobile terminal status message (corresponding to 412 among Fig. 4) to OMA DM server, under situation by checking, OMA DM server sends to download to application server finishes message (corresponding to 413 among Fig. 4), finishes remote firmware updating.
In above-mentioned processing, because the FOTA transmitting-receiving two-end all adopted the lossless compress encoding and decoding technique, so the scheme that the embodiment of the invention provides is particularly useful for the arrowband applied environment, can improve the speed of download of firmware.
Preferably, said method may further include following processing: after firmware downloads finishes, portable terminal is preserved the backup of current version of firmware, at the firmware update operation failure or under not by situation about verifying, perhaps under other situations about needing, use the firmware version of backup to cover the firmware version (can be referred to as rollback operation) that upgrades.Like this, can further guarantee the safety and the reliability of firmware upgrade.
System embodiment
According to the embodiment of the invention, provide a kind of mobile terminal remote firmware updating system based on the FOTA technology.
As shown in Figure 5, this system comprises: portable terminal (MSS) 502 can comprise all kinds of mobile phones or wireless terminal, and support the OMA agreement; Application server (ASS) 504 is used to provide all kinds of business; Core switching network (CSN) 506 is used to provide functions such as subscription authentication, authentication and charging, and it comprises authentication server; The Radio Access Network (RAN) that comprises base station (BS) 508 and base station controller or IAD (BSC/AGW) 510.
And, as shown in Figure 5, this system further comprises Open Mobile Alliance terminal unit management (OMA DM) server 512, the platform that OMA DM server is realized as the FOTA technology, be independent of applied business server and authentication server, shielded the bottom layer realization details of aerial download, applicable to existing all kinds of mobile communications networks.And unified OMA standard has reduced each portable terminal and equipment vendors because the incompatible risk of bringing.
Particularly, in embodiments of the present invention, OMA DM server 512 is connected with core switching network 506 and application server 504 by standard interface, and connect by base station 508 and portable terminal 502, be used to receive the firmware bag that issues by application server 504, and the firmware bag is downloaded to portable terminal 502.
And preferably, after OMA DM server and portable terminal connected, it was mutual to carry out information (comprising: equipment and version information), and download is finished after being connected of disconnection and portable terminal.
By foregoing description as can be seen, kept the equipment of original mobile communication system to greatest extent, only needed to increase OMA DM server, can implement the present invention by the portable terminal of supporting the OMA agreement according to the remote firmware updating system of the embodiment of the invention.
Need to prove that a plurality of details of describing among the said method embodiment are equally applicable to this system embodiment, therefore, omitted being repeated in this description same or similar part.
By the present invention, can existing network infrastructure be carried out bigger change and not influence under the situation of carrying out of user's regular traffic need not, realize mobile terminal remote firmware updating by means of the FOTA technology, and guaranteed the efficient and the continuity of firmware downloads, had general applicability, network rebuilding cost is low, channel utilization is high advantage; In addition, by under the situation of firmware update failure, carrying out rollback operation, can guarantee the safety and the reliability of firmware upgrade.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. mobile terminal remote firmware updating method, be used to comprise that portable terminal, Open Mobile Alliance terminal unit management server are the network system of OMA DM server, application server, authentication server, wherein, described portable terminal is supported the OMA agreement, it is characterized in that described remote firmware updating method comprises:
Described application server will pass to described OMA DM server under the firmware bag to be downloaded;
Described OMA DM server and described portable terminal connect, and the firmware bag is downloaded to described portable terminal.
2. remote firmware updating method according to claim 1 is characterized in that, before passing described firmware bag under the described application server, comprising:
Described portable terminal or described application server are initiated the remote firmware updating operation;
Described authentication server carries out subscription authentication to described portable terminal;
Described application server is ready to described firmware bag to be downloaded.
3. remote firmware updating method according to claim 2 is characterized in that, the processing that described portable terminal is initiated the remote firmware updating operation is specially:
Described portable terminal sends the firmware downloads business request information to described application server, is used for to described application server request firmware downloads;
Described application server returns the firmware downloads service response message to described portable terminal.
4. remote firmware updating method according to claim 2 is characterized in that, the processing that described authentication server carries out subscription authentication is specially:
Described authentication server sends the subscription authentication request message to described portable terminal;
Described portable terminal returns the subscription authentication response message to described authentication server;
Described authentication server sends the subscription authentication results messages to described application server.
5. remote firmware updating method according to claim 1 is characterized in that, before described application server passes to described OMA DM server under with described firmware bag, further comprises:
Described application server sends OMA DM initiation message to described OMA DM server, notifies described OMA DM server to prepare to receive data;
Described OMA DM server returns OMA DM acknowledge message to described application server, notifies described application server to be ready to receive data.
6. remote firmware updating method according to claim 1 is characterized in that, after described OMA DM server and described portable terminal connect, carries out information interaction, and described information comprises: equipment and version information.
7. according to each described remote firmware updating method in the claim 1 to 6, it is characterized in that described OMA DM server carries out lossless compress to described firmware bag, and the described firmware bag after will compressing downloads to described portable terminal.
8. remote firmware updating method according to claim 7 is characterized in that, comprises that further following processing is one of at least:
After the download of finishing described firmware bag, described OMA DM server disconnects with described portable terminal and being connected;
Described portable terminal decompresses to described firmware bag, and carries out firmware update after firmware downloads finishes;
Described portable terminal reports the running of mobile terminal status message to described OMA DM server, and under the situation by checking, described OMA DM server sends to download to described application server finishes message, finishes remote firmware updating.
9. remote firmware updating method according to claim 8 is characterized in that, further comprises:
After firmware downloads finished, described portable terminal was preserved the backup of current version of firmware, at described firmware update operation failure or under not by situation about verifying, used the firmware version of backup to cover the firmware version that upgrades.
10. a mobile terminal remote firmware updating system comprises portable terminal, application server, core switching network, base station, and wherein, described portable terminal is supported the OMA agreement, it is characterized in that, described remote firmware updating system further comprises:
Open Mobile Alliance terminal unit management server is an OMA DM server, described OMA DM server is connected with described core switching network and described application server by standard interface, and connect by described base station and described portable terminal, be used to receive the firmware bag that issues by described application server, and described firmware bag is downloaded to described portable terminal.
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| CNA2007101995727A CN101184301A (en) | 2007-12-14 | 2007-12-14 | Mobile terminal remote firmware updating method and system |
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| WO2009079866A1 (en) * | 2007-12-25 | 2009-07-02 | Zte Corporation | Firmware upgrading process method and system of mobile terminal |
| CN101790252A (en) * | 2009-01-22 | 2010-07-28 | 英华达(上海)电子有限公司 | Method and system for updating firmware |
| CN101909282A (en) * | 2010-08-20 | 2010-12-08 | 中兴通讯股份有限公司 | Triggering method, device and system of terminal operation |
| WO2010148761A1 (en) * | 2009-12-31 | 2010-12-29 | 中兴通讯股份有限公司 | Method and mobile terminal for upgrading firmware over the air |
| WO2011000131A1 (en) * | 2009-07-01 | 2011-01-06 | 中兴通讯股份有限公司 | Method and system for file download adapted for the open mobile alliance device management protocol |
| WO2011006328A1 (en) * | 2009-07-16 | 2011-01-20 | 中兴通讯股份有限公司 | System and method for updating device firmware, device management server and mobile terminal |
| CN102281528A (en) * | 2011-08-16 | 2011-12-14 | 中兴通讯股份有限公司 | System, method and device for upgrading mobile terminal |
| CN101515967B (en) * | 2009-03-18 | 2012-10-10 | 中兴通讯股份有限公司 | Over-the-air downloader of terminal firmware and method thereof |
| CN103150193A (en) * | 2013-04-10 | 2013-06-12 | 天津三星光电子有限公司 | Software upgrading method for mobile terminal |
| WO2013082808A1 (en) * | 2011-12-09 | 2013-06-13 | Motorola Mobility, Inc. | Methods and apparatus to trigger firmware update request in response to a failure event |
| CN103164237A (en) * | 2011-12-16 | 2013-06-19 | 深圳瓶子科技有限公司 | Firmware upgrade method and system |
| CN103425508A (en) * | 2013-05-27 | 2013-12-04 | 林永宗 | Zigbee firmware compressing and updating method |
| WO2015074435A1 (en) * | 2013-11-21 | 2015-05-28 | 中兴通讯股份有限公司 | Method and apparatus for updating firmware of mobile terminal |
| CN104811484A (en) * | 2015-04-09 | 2015-07-29 | 努比亚技术有限公司 | FOTA (firmware over-the-air) upgrading method and device |
| CN106126306A (en) * | 2016-07-08 | 2016-11-16 | 深圳市中兴物联科技股份有限公司 | A kind of radio upgrade method based on FOTA server group and system thereof |
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| WO2009079866A1 (en) * | 2007-12-25 | 2009-07-02 | Zte Corporation | Firmware upgrading process method and system of mobile terminal |
| CN101790252A (en) * | 2009-01-22 | 2010-07-28 | 英华达(上海)电子有限公司 | Method and system for updating firmware |
| CN101790252B (en) * | 2009-01-22 | 2013-03-27 | 英华达(上海)电子有限公司 | Method and system for updating firmware |
| CN101515967B (en) * | 2009-03-18 | 2012-10-10 | 中兴通讯股份有限公司 | Over-the-air downloader of terminal firmware and method thereof |
| WO2011000131A1 (en) * | 2009-07-01 | 2011-01-06 | 中兴通讯股份有限公司 | Method and system for file download adapted for the open mobile alliance device management protocol |
| WO2011006328A1 (en) * | 2009-07-16 | 2011-01-20 | 中兴通讯股份有限公司 | System and method for updating device firmware, device management server and mobile terminal |
| WO2010148761A1 (en) * | 2009-12-31 | 2010-12-29 | 中兴通讯股份有限公司 | Method and mobile terminal for upgrading firmware over the air |
| CN101909282A (en) * | 2010-08-20 | 2010-12-08 | 中兴通讯股份有限公司 | Triggering method, device and system of terminal operation |
| WO2012022072A1 (en) * | 2010-08-20 | 2012-02-23 | 中兴通讯股份有限公司 | Method, device and system for triggering terminal operation |
| CN102281528A (en) * | 2011-08-16 | 2011-12-14 | 中兴通讯股份有限公司 | System, method and device for upgrading mobile terminal |
| WO2012151898A1 (en) * | 2011-08-16 | 2012-11-15 | 中兴通讯股份有限公司 | Mobile terminal upgrade system, method and device |
| CN103988538B (en) * | 2011-12-09 | 2018-02-16 | 谷歌技术控股有限责任公司 | In response to the method and apparatus of event of failure triggering firmware renewal request |
| US9715379B2 (en) | 2011-12-09 | 2017-07-25 | Google Technology Holdings LLC | Methods and apparatus to trigger firmware update request in response to a failure event |
| CN103988538A (en) * | 2011-12-09 | 2014-08-13 | 摩托罗拉移动有限责任公司 | Methods and apparatus to trigger firmware update request in response to a failure event |
| WO2013082808A1 (en) * | 2011-12-09 | 2013-06-13 | Motorola Mobility, Inc. | Methods and apparatus to trigger firmware update request in response to a failure event |
| KR101624626B1 (en) | 2011-12-09 | 2016-05-26 | 구글 테크놀로지 홀딩스 엘엘씨 | Methods and apparatus to trigger firmware update request in response to a failure event |
| CN103164237A (en) * | 2011-12-16 | 2013-06-19 | 深圳瓶子科技有限公司 | Firmware upgrade method and system |
| CN103164237B (en) * | 2011-12-16 | 2016-06-22 | 深圳瓶子科技有限公司 | Firmware upgrade method and system |
| CN103150193A (en) * | 2013-04-10 | 2013-06-12 | 天津三星光电子有限公司 | Software upgrading method for mobile terminal |
| CN103425508A (en) * | 2013-05-27 | 2013-12-04 | 林永宗 | Zigbee firmware compressing and updating method |
| WO2015074435A1 (en) * | 2013-11-21 | 2015-05-28 | 中兴通讯股份有限公司 | Method and apparatus for updating firmware of mobile terminal |
| CN104811484A (en) * | 2015-04-09 | 2015-07-29 | 努比亚技术有限公司 | FOTA (firmware over-the-air) upgrading method and device |
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