Ab Multiboot |best|

While active on Slot B, perform a factory reset within the recovery limits (do not wipe the shared internal storage media). Flash your secondary ROM zip file or Linux image system. Step 5: Handle Data Pathing

This method involves flashing your primary (daily driver) ROM to Slot A and your secondary ROM (such as an AOSP GSI or an alternate custom ROM) to Slot B. Tools such as allow users to sideload Generic System Images (GSIs) or flash secondary custom ROMs directly to the inactive slot. ab multiboot

随着系统映像体积膨胀，Google 引入了 管理方案——将 system、vendor、product 等逻辑分区整合进一个名为 super 的物理分区中。在 A/B 设备上， super 分区不附加槽位后缀，但内含两份独立的元数据槽，分别对应 A/B 分区的映射信息。 While active on Slot B, perform a factory

Make multi OS bootable USB drive including windows os and linux While active on Slot B

[system] compatible=my-device