Description: Upgrade the entire process Overview: APK, then the user clicks on the upper command will write
recovery/command, and then the kernel detected signal to restart write boot reasons to shared memory,
Boot to enter appboot is detected the arm9 pass over the boot reasons, and then into recovery mode,
Execution sbin/recovery. Into install_package function, and then build the pipeline to perform the upgrade package solution
Analysis of the script, the cache partition comparison resolve.
In
The upgrade is complete restart,
Write the FLAG. Oemsbl
In
Stage detected FLAG will MODEM side IMG upgrade after upgrade reset the FLAG. And then restart
After the normal boot, the entire upgrade process is completed
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57578878fota.tar
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