After update into Slot into B, is there any way to mirror the contents of B back to slot A? So that both slots have the same versions.
How do copy complete updated slot B back to slot A efficiently?
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I have had to do this while installing Lineage OS on my Moto X4. You can find the "copy partitions" ZIP file on the official installation site here:
In some cases slot
bcan be unpopulated or contain much older firmware than slot
a, leading to various issues including a potential hard-brick. We can ensure none of that will happen by copying the contents of slot
b. This step is NOT optional.
To do this, sideload the
copy-partitions-20210323_1922.zippackage by doing the following:
- Download the
copy-partitions-20210323_1922.zipfile from here.
- Sideload the
- On the device, select “Advanced”, “ADB Sideload”, then swipe to begin sideload
- On the host machine, sideload the package using:
adb sideload copy-partitions-20210323_1922.zip