CN106569843A - Method and device for generating OTA central package - Google Patents
Method and device for generating OTA central package Download PDFInfo
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- CN106569843A CN106569843A CN201510658256.6A CN201510658256A CN106569843A CN 106569843 A CN106569843 A CN 106569843A CN 201510658256 A CN201510658256 A CN 201510658256A CN 106569843 A CN106569843 A CN 106569843A
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Abstract
The embodiment of the invention generates a method and device for generating an OTA central package, and relates to the technical field of mobile communication. The invention solves a problem that the OTA differential upgrading cannot be carried out because of the loss of the OTA central package. According to the embodiment of the invention, the method comprises the steps: obtaining an initial OTA central package in a first system software version, wherein the initial OTA central package comprises an upgrading configuration file; obtaining a first version upgrading file, wherein the first version upgrading file is used for generating a first system software version according to a generation mode and configuration attributes in the upgrading configuration file; generating an OTA central package in the first system software version according to the first version upgrading file and the upgrading configuration file, and manufacturing an OTA differential package through the OTA central package in the first system software version.
Description
Technical field
The present invention relates to mobile communication technology field, more particularly to a kind of method and dress of generation OTA tundish
Put.
Background technology
Over the air (Over-the-Air Technology, OTA) is that one kind is carried out by wireless network
The technology that data are downloaded, in being widely used in the network upgrade of the mobile devices such as mobile phone, panel computer.
At present, the OTA for client current software version that client is mainly provided by download server end is poor
Divide AKU, and OTA difference AKUs are updated in current software version by way of patch installing, it is real
Existing OTA difference upgrading.For example, if the current version of client is V1, now, if client wishes to rise
Level to redaction V2, then client need to ask OTA difference AKU V2-V1, the OTA to server end
Difference AKU V2-V1 contains version V2 with respect to the application message that version V1 changes, according to this
OTA difference AKU V2-V1 realize the upgrading of version V1 to V2.
But, because the making of OTA difference AKUs need to rely on OTA tundish, now, if OTA
Middle packet loss, then server end can not produce OTA difference AKUs, and then can not pass through OTA
Difference AKU come realize OTA difference upgrade.
To solve the above problems, existing technical staff would generally be considered by T card upgrades or the full Bao Sheng of OTA
Level is upgraded realizing OTA, but these modes are compared with the upgrading of OTA difference, the drawbacks of have very big,
For example, the problem of T card upgrades is：Because manufacturer terminal will not typically issue factory's brush machine bag, user can only lead to
Cross personnel after sale to be upgraded, cause the user is inconvenient, even if user can find corresponding version from network
This, but because operation notice is more, easily there is the phenomenon of upgrading failure, risk is larger；OTA is complete
Wrapping the problem of upgrading is：Because OTA wraps generally larger entirely, occupancy server resource is more, and downloads and rise
The time that level OTA wraps needs entirely is longer, and Consumer's Experience is poor.Therefore, for most of users, also
It is desirable to realize that OTA difference is upgraded by OTA difference AKU, so, the packet loss in the middle of OTA
In the case of, recover OTA tundish to make OTA difference AKUs, and then by OTA difference liters
Level bag realizes that the upgrading of OTA difference becomes a problem urgently to be resolved hurrily.
The content of the invention
The main object of the present invention, is to provide a kind of method and device of generation OTA tundish, is solved
Problem because OTA difference upgradings cannot be carried out caused by packet loss in the middle of OTA.
To reach above-mentioned purpose, embodiments of the invention are adopted the following technical scheme that：
In a first aspect, the embodiment of the present invention provides a kind of method for generating over the air OTA tundish,
Including：
The initial OTA tundish of the first system software version is obtained, wherein, the first system software version
To lose the system software release of OTA tundish；The initial OTA tundish includes upgrading configuration,
The upgrading configuration is included：The generating mode and configuration attribute of the first system software version；
First version upgrade file is obtained, wherein, the first version upgrade file is used to match somebody with somebody according to the upgrading
Generating mode and configuration attribute that file is included are put, the first system software version is generated；
According to the first version upgrade file and the upgrading configuration, the first system software version is generated
This OTA tundish；
OTA difference bags are made using the OTA tundish of the first system software version for generating.
Second aspect, the embodiment of the present invention provides a kind of device for generating over the air OTA tundish,
Including：
Acquiring unit, for obtaining the initial OTA tundish of the first system software version, wherein, described
One system software release is the system software release for losing OTA tundish；The initial OTA tundish bag
Containing upgrading configuration, the upgrading configuration is included：The generating mode of the first system software version
And configuration attribute；
And, first version upgrade file is obtained, wherein, the first version upgrade file is used for according to described
Generating mode and configuration attribute that upgrading configuration is included, generate the first system software version；
Signal generating unit, for the first version upgrade file that got according to the acquiring unit and the liter
Level configuration file, generates the OTA tundish of the first system software version；
Difference bag production unit, for the first system software version that generated using the signal generating unit
OTA tundish makes OTA difference bags.
From the foregoing, it will be observed that the embodiment of the present invention provides a kind of method and device of generation OTA tundish, to losing
The first system software version of OTA tundish, first obtains the initial OTA tundish of the first system software version,
Wherein, the initial OTA tundish includes upgrading configuration, then, obtains correct for generating institute
The first version upgrade file of the first system software version is stated, according to the first version upgrade file and described
Upgrading configuration, generates the OTA tundish of the first system software version, and then makes user using extensive
The OTA tundish appeared again making OTA difference bags, by OTA difference bags upgraded, very well by realization
Solve the problems, such as because OTA difference upgradings cannot be carried out caused by packet loss in the middle of OTA.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, in describing below
Accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, do not paying
On the premise of creative work, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is a kind of flow chart of the method for generation OTA tundish provided in an embodiment of the present invention；
Fig. 2 is a kind of structure chart of the device 20 of generation OTA tundish provided in an embodiment of the present invention；
Fig. 2A is a kind of structure chart of the device 20 of generation OTA tundish provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly
Chu, it is fully described by, it is clear that described embodiment is only a part of embodiment of the invention, rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
Property work under the premise of the every other embodiment that obtained, belong to the scope of protection of the invention.
In describing the invention, it is to be understood that term " first ", " second ", " another " etc. refer to
The system or element shown is the system with certain function or element described based on embodiment, merely to just
In the description present invention and simplified description, rather than indicate or imply that the system or element of indication there must be this to name,
Therefore it is not considered as limiting the invention.
In describing the invention, it is to be understood that system software release is that manufacturer terminal is announced, can
The version number of the systems soft ware being configured in terminal；Each system software release one OTA tundish of correspondence,
The OTA tundish is included：Edition upgrading file and upgrading configuration, for generating OTA difference bags；
Edition upgrading file can be downloaded and stored in terminal by over the air, so that the terminal operating version
This upgrade file, generates system software release, can include following one or more subfiles：SYSTEM、
RECOVERY, RADIO, PERSIST, BOOT etc..
Upgrading configuration is mainly included：By edition upgrading document upgrading is into system software release and configures described
Generating mode and configuration attribute in system software release to terminal, Ke Yiwei：Upgrading tool, script, label
The file of name and attribute configuration list etc, such as：OTA, META file.It should be noted that for
For different system software version, the configuration guiding file included in its OTA tundish is identical, but is wrapped
The software upgrading file for containing must be different, be only used for generating system software release corresponding with itself.
The present invention general principle be：For the system software release for losing OTA tundish, one is first got
Initial OTA tundish, the same with all OTA tundish, the initial OTA tundish can be comprising upgrading
Configuration file and edition upgrading file, but the edition upgrading file is wrong, is can not to generate loss OTA
The system software release of tundish, therefore, next, obtain one again correctly, for generating losing
The first version upgrade file of the system software release of OTA tundish, is replaced with first version upgrade file
The edition upgrading file of mistake in initial OTA tundish, using replacement after initial OTA tundish as being
The OTA tundish of system software version；Or, directly first version upgrade file and upgrading configuration are beaten
Wrap the OTA tundish for system software release.Below based on above-mentioned principle, to provided in an embodiment of the present invention
The method for generating OTA tundish describes in detail：
On the one hand, a kind of method of generation OTA tundish is embodiments provided, is applied to generate OTA
The device of tundish, described device can for provide over the air (Over-the-Air Technology,
OTA server)；As shown in figure 1, methods described can include：
Step 101：The initial OTA tundish of the first system software version is obtained, wherein, the initial OTA
Tundish includes upgrading configuration.
Wherein, the first system software version is that manufacturer terminal has been issued and lost appointing for OTA tundish
One system software release, can be specifically android device software versions, or other operating systems set
Standby software version, embodiment of the present invention contrast is not defined, and here is with android operating system softwares version
Illustrate as a example by this.
Optionally, the initial OTA tundish for obtaining the first system software version can include：
Origin system code to generating the first system software version is compiled, and the file after compiling is packed
After be defined as the initial OTA tundish.
Wherein it is possible to be compiled to source code using existing compiling means, in this not go into detail.But
Due to translation and compiling environment now, time and some special applications, it was with compiling at that time and issuing first
Translation and compiling environment, time and some special applications during system software is different, so, according to this
Origin system code carries out rollback compiling, the edition upgrading file one included in the initial OTA tundish for getting
Surely it is wrong, and the upgrading configuration for getting is correct.
Further, since in actual applications, by the edition upgrading file configuration of different system software version to terminal
Interior mode is identical, so, for different system software version, include in its OTA tundish
Configuration guiding file can be identical, but the software upgrading file for including must be different, so,
In the embodiment of the present invention, initial OTA AKUs can also be obtained by following manner：
The 2nd OTA tundish of second system software version is obtained, using the 2nd OTA tundish as institute
State initial OTA tundish；Wherein, second system software version can have been issued and preserved for manufacturer terminal
There is any system software version of OTA tundish.
Thus, can directly using the OTA tundish of existing other software version as initial OTA tundish,
Initial OTA tundish is generated without relying on origin system code, work difficulty is greatly reduced.
Step 102：Obtain first version upgrade file, wherein, the first version upgrade file be used for according to
Generating mode and configuration attribute that the upgrading configuration is included, generate the first system software version.
Optionally, first version upgrade file includes at least one subfile, and different subfiles are configured into end
In the different subregions of end memory reservoir, such as：First version upgrade file may include following one or more Ziwens
Part：SYSTEM、RECOVERY.System partitioning that file in SYSTEM can only be present,
System recovery subregion that file in RECOVERY can only be present etc..
Specifically, first version upgrade file can be obtained by following manner：
It is determined that the terminal of the first system software version is configured with, by default reading order reading terminals
The first version upgrade file of storage；
Or, factory's brush machine bag is obtained, obtain the first version upgrade file from factory's brush machine bag.
Wherein, the terminal can be：Mobile phone, computer, PC etc. can be by described in OTA download configurations the
The equipment of one system software release.
The reading order is used to read the information of the tag memory storage, can be dd orders.
Factory's brush machine bag is identical with the release type of the first system software version, comprising：First version
Upgrade file.
Step 103：According to the first version upgrade file and the upgrading configuration, described first is generated
The OTA tundish of system software release.
Specifically, it is described according to the first version upgrade file and the upgrading configuration, generate described the
The OTA tundish of one system software release can include：
Packing process is carried out to the first version upgrade file and the upgrading configuration, by the text after packing
Part bag is defined as the OTA tundish of the first system software version；
Further, since initial OTA tundish also includes edition upgrading file, but the edition upgrading file for mistake
By mistake file, can not according to the edition upgrading file generated the first system software version, so, institute
State according to the first version upgrade file and the upgrading configuration, generate the first system software version
This OTA tundish can also include：
The edition upgrading file in the initial OTA tundish is replaced with the first version upgrade file,
OTA tundish after replacement is defined as into the OTA tundish of the first system software version.
It should be noted that being mirror image text because the first version upgrade file got in step 102 is most of
Part, is disabled, so, according to the first version upgrade file and the upgrading configuration,
Before generating the OTA tundish of the first system software version, need in the first system upgrade file
Image file is converted into the file of text formatting.
For example, if first version upgrade file includes image file：System.img, then need in Linux rings
Under border, system.img image files are unpacked, that is, unpack into the SYSTEM of document form；Specifically,
First the system.img of acquisition is modified as into ext4 forms using simg2img instruments
System.img.ext4 (if system.img is obtained from terminal, this operation need not be performed, because
The system.img for getting inherently ext4 forms)；Then, system.img.ext4 is mounted to
Under certain catalogue in PC hard disks (under catalogue/SYSTEM), order used is mount-t ext4-o loop
system.img.ext4/SYSTEM。
Step 104：OTA difference is made using the OTA tundish of the first system software version for generating
Bag.
Wherein, the method that OTA difference bags are made using OTA tundish is prior art, be will not be described here.
From the foregoing, it will be observed that the embodiment of the present invention provides a kind of method of generation OTA tundish, in loss OTA
Between wrap the first system software version, first obtain the first system software version initial OTA tundish, wherein,
The initial OTA tundish includes upgrading configuration, then, obtains correct for generating described first
The first version upgrade file of system software release, matches somebody with somebody according to the first version upgrade file and the upgrading
File is put, the OTA tundish of the first system software version is generated, and then makes user utilize what is recovered
OTA tundish making OTA difference bags, by OTA difference bags upgraded, well solution by realization
Problem because OTA difference upgradings cannot be carried out caused by packet loss in the middle of OTA.
On the other hand, a kind of device 20 of generation OTA tundish is embodiments provided, for performing
The method for generating OTA tundish, as shown in Fig. 2 described device 20 can include：
Acquiring unit 201, for obtaining the initial OTA tundish of the first system software version, wherein, institute
Initial OTA tundish is stated comprising upgrading configuration.
And, first version upgrade file, wherein, the first version upgrade file is used for according to the upgrading
Generating mode and configuration attribute that configuration file is included, generate the first system software version.
Signal generating unit 202, for the first version upgrade file got according to the acquiring unit 201
With the upgrading configuration, the OTA tundish of the first system software version is generated.
Difference bag production unit 203, for the first system software generated using the signal generating unit 202
The OTA tundish of version makes OTA difference bags.
Wherein, difference bag production unit 203 can be using the method for OTA tundish making OTA difference bags
Prior art, will not be described here.
Wherein, the first system software version is that manufacturer terminal has been issued and lost appointing for OTA tundish
One system software release, can be specifically android device software versions, or other operating systems set
Standby software version, embodiment of the present invention contrast is not defined, and here is with android operating system softwares version
Illustrate as a example by this.
Specifically, the acquiring unit 201 can be used for：
Origin system code to generating the first system software version is compiled, and the file after compiling is packed
After be defined as the initial OTA tundish.
Wherein it is possible to be compiled to source code using existing compiling means, in this not go into detail.But
Due to translation and compiling environment now, time and some special applications, it was with compiling at that time and issuing first
Translation and compiling environment, time and some special applications during system software is different, so, according to this
Origin system code carries out rollback compiling, the edition upgrading file one included in the initial OTA tundish for getting
Surely it is wrong, and the upgrading configuration for getting is correct.
Further, since in actual applications, by the edition upgrading file configuration of different system software version to terminal
Interior mode is identical, so, for different system software version, include in its OTA tundish
Configuration guiding file can be identical, but the software upgrading file for including must be different, so,
In the embodiment of the present invention, the acquiring unit 201 can be also used for obtaining initial OTA liters by following manner
Level bag：
The 2nd OTA tundish of second system software version is obtained, using the 2nd OTA tundish as institute
State initial OTA tundish；Wherein, second system software version can have been issued and preserved for manufacturer terminal
There is any system software version of OTA tundish.
Thus, can directly using the OTA tundish of existing other software version as initial OTA tundish,
Initial OTA tundish is generated without relying on origin system code, work difficulty is greatly reduced.
Optionally, first version upgrade file includes at least one subfile, and different subfiles are configured into end
In the different subregions of end memory reservoir, such as：First version upgrade file may include following one or more Ziwens
Part：SYSTEM、RECOVERY.System partitioning that file in SYSTEM can only be present,
System recovery subregion that file in RECOVERY can only be present etc..
Specifically, the acquiring unit 201 can be used for obtaining first version upgrade file by following manner：
It is determined that the terminal of the first system software version is configured with, by default reading order reading terminals
The first version upgrade file of storage；
Or, factory's brush machine bag is obtained, obtain the first version upgrade file from factory's brush machine bag.
Wherein, the terminal can be：Mobile phone, computer, PC etc. can be by described in OTA download configurations the
The equipment of one system software release.
The reading order is used to read the information of the tag memory storage, can be dd orders.
Factory's brush machine bag is identical with the release type of the first system software version, comprising：First version
Upgrade file.
Specifically, the signal generating unit 202 can be used for：
Packing process is carried out to the first version upgrade file and the upgrading configuration, by the text after packing
Part bag is defined as the OTA tundish of the first system software version；
Further, since initial OTA tundish also includes edition upgrading file, but the edition upgrading file for mistake
By mistake file, can not according to the edition upgrading file generated the first system software version, so, institute
State signal generating unit 202 can be also used for：
The edition upgrading file in the initial OTA tundish is replaced with the first version upgrade file,
OTA tundish after replacement is defined as into the OTA tundish of the first system software version.
It should be noted that because the first version upgrade file major part that acquiring unit 201 gets is mirror image
File, is disabled, so, as shown in Figure 2 A, described device can also include：
Format conversion unit 204, for the signal generating unit 202 according to the first version upgrade file and
The upgrading configuration, before generating the OTA tundish of the first system software version, be by first
Image file in system upgrade file is converted into the file of text formatting.
For example, if first version upgrade file includes image file：System.img, then need in Linux rings
Under border, system.img image files are unpacked, that is, unpack into the SYSTEM of document form；Specifically,
First the system.img of acquisition is modified as into ext4 forms using simg2img instruments
System.img.ext4 (if system.img is obtained from terminal, this operation need not be performed, because
The system.img for getting inherently ext4 forms)；Then, system.img.ext4 is mounted to
Under certain catalogue in PC hard disks (under catalogue/SYSTEM), order used is mount-t ext4-o loop
system.img.ext4/SYSTEM。
From the foregoing, it will be observed that the embodiment of the present invention provides a kind of device of generation OTA tundish, in loss OTA
Between wrap the first system software version, first obtain the first system software version initial OTA tundish, wherein,
The initial OTA tundish includes upgrading configuration, then, obtains correct for generating described first
The first version upgrade file of system software release, matches somebody with somebody according to the first version upgrade file and the upgrading
File is put, the OTA tundish of the first system software version is generated, and then makes user utilize what is recovered
OTA tundish making OTA difference bags, by OTA difference bags upgraded, well solution by realization
Problem because OTA difference upgradings cannot be carried out caused by packet loss in the middle of OTA.
Finally it should be noted that：Above example only to illustrate technical scheme, rather than a limitation；
Although being described in detail to the present invention with reference to the foregoing embodiments, one of ordinary skill in the art should
Understand：It still can modify to the technical scheme described in foregoing embodiments, or to its middle part
Technical characteristic is divided to carry out equivalent；And these modifications or replacement, do not make the essence of appropriate technical solution
Depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. it is a kind of generate over the air OTA tundish method, it is characterised in that include：
The initial OTA tundish of the first system software version is obtained, wherein, the first system software version
To lose the system software release of OTA tundish；The initial OTA tundish includes upgrading configuration,
The upgrading configuration is included：The generating mode and configuration attribute of the first system software version；
First version upgrade file is obtained, wherein, the first version upgrade file is used to match somebody with somebody according to the upgrading
Generating mode and configuration attribute that file is included are put, the first system software version is generated；
According to the first version upgrade file and the upgrading configuration, the first system software version is generated
This OTA tundish；
OTA difference bags are made using the OTA tundish of the first system software version for generating.
2. method according to claim 1, it is characterised in that the acquisition the first system software version
Initial OTA tundish include：
Origin system code to generating the first system software version is compiled, and the file after compiling is packed
After be defined as the initial OTA tundish；
Or, the 2nd OTA tundish of second system software version is obtained, by the 2nd OTA tundish
As the initial OTA tundish；Wherein, second system software version has been issued and protected for manufacturer terminal
There is any system software version of OTA tundish.
3. method according to claim 1 and 2, it is characterised in that the acquisition first version upgrading
File is specifically included：
Determine and be configured with terminal the first system software version, read in the terminal by default reading order
The first version upgrade file of storage；
Or, factory's brush machine bag is obtained, obtain the first version upgrade file from factory's brush machine bag；
Wherein, factory's brush machine bag is identical with the release type of the first system software version, comprising：First
Edition upgrading file.
4. method according to claim 3, it is characterised in that if the first version upgrade file is
Image file, then according to the first version upgrade file and the upgrading configuration, generate described first
Before the OTA tundish of system software release, methods described also includes：
Enter row format conversion to the first version upgrade file, form the file of text formatting.
5. method according to claim 1, it is characterised in that according to the first version upgrade file
With the upgrading configuration, the OTA tundish for generating the first system software version specifically includes：
Packing process is carried out to the first version upgrade file and the upgrading configuration, by the text after packing
Part is defined as the OTA tundish of the first system software version；
Or, replace the edition upgrading in the initial OTA tundish with the first version upgrade file
File, by replacement after initial OTA tundish be defined as in the middle of the OTA of the first system software version
Bag；Wherein, the initial OTA tundish also includes edition upgrading file.
6. it is a kind of generate over the air OTA tundish device, it is characterised in that include：
Acquiring unit, for obtaining the initial OTA tundish of the first system software version, wherein, described
One system software release is the system software release for losing OTA tundish；The initial OTA tundish bag
Containing upgrading configuration, the upgrading configuration is included：The generating mode of the first system software version
And configuration attribute；
And, first version upgrade file is obtained, wherein, the first version upgrade file is used for according to described
Generating mode and configuration attribute that upgrading configuration is included, generate the first system software version；
Signal generating unit, for the first version upgrade file that got according to the acquiring unit and the liter
Level configuration file, generates the OTA tundish of the first system software version；
Difference bag production unit, for the first system software version that generated using the signal generating unit
OTA tundish makes OTA difference bags.
7. device according to claim 6, it is characterised in that the acquiring unit specifically for：
Origin system code to generating the first system software version is compiled, and the file after compiling is packed
After be defined as the initial OTA tundish；
Or, the 2nd OTA tundish of second system software version is obtained, by the 2nd OTA tundish
As the initial OTA tundish；Wherein, second system software version has been issued and protected for manufacturer terminal
There is any system software version of OTA tundish.
8. the device according to claim 6 or 7, it is characterised in that the acquiring unit specifically for：
Determine and be configured with terminal the first system software version, the tag memory is read by default reading order
The first version upgrade file of storage；
Or, factory's brush machine bag is obtained, obtain the first version upgrade file from factory's brush machine bag；
Wherein, factory's brush machine bag is identical with the release type of the first system software version, comprising：First
Edition upgrading file.
9. device according to claim 8, it is characterised in that if the first version upgrade file is
Image file, then described device also include：
Format conversion unit, for being matched somebody with somebody according to the first version upgrade file and the upgrading in signal generating unit
File is put, before generating the OTA tundish of the first system software version, the first version is upgraded
File enters row format conversion, forms the file of text formatting.
10. device according to claim 6, it is characterised in that the signal generating unit, specifically for：
Packing process is carried out to the first version upgrade file and the upgrading configuration, by the file after packing
It is defined as the OTA tundish of the first system software version；
Or, replace the edition upgrading in the initial OTA tundish with the first version upgrade file
File, by replacement after initial OTA tundish be defined as in the middle of the OTA of the first system software version
Bag；Wherein, the initial OTA tundish also includes edition upgrading file.
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| CN201510658256.6A CN106569843A (en) | 2015-10-12 | 2015-10-12 | Method and device for generating OTA central package |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108170459A (en) * | 2017-12-08 | 2018-06-15 | 惠州Tcl移动通信有限公司 | Method for upgrading software, intelligent terminal and the device with store function |
| CN109324810A (en) * | 2017-07-26 | 2019-02-12 | 深圳市中兴微电子技术有限公司 | The production method and system of internet of things equipment upgrade package |
| CN109491697A (en) * | 2018-11-27 | 2019-03-19 | 北京车和家信息技术有限公司 | A kind of difference packet generation method and device |
| CN112230975A (en) * | 2020-09-30 | 2021-01-15 | 厦门汉印电子技术有限公司 | Firmware differential upgrading method, device and equipment |
| CN114003266A (en) * | 2021-10-14 | 2022-02-01 | 红石阳光(深圳)科技有限公司 | Method and device for generating multiple differential packets based on Android flash firmware |
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| CN112230975A (en) * | 2020-09-30 | 2021-01-15 | 厦门汉印电子技术有限公司 | Firmware differential upgrading method, device and equipment |
| CN114003266A (en) * | 2021-10-14 | 2022-02-01 | 红石阳光(深圳)科技有限公司 | Method and device for generating multiple differential packets based on Android flash firmware |
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Application publication date: 20170419 |