imx8+android8.1开启adb remount过程

博文背景：imx 8qxp主板，android8.1系统，系统编译模式userDebug模式

一、开启成功的步骤

1. 打开系统的开发者选项，并在开发者选项中将OEM unlocking设为开启状态
2. 连接adb并执行adb root
3. 执行adb disable-verity
4. 执行adb reboot bootloader
5. 连接otg线
6. 系统重启后会停在bootloader处，在电脑上执行fastboot oem unlocking，(在Ubuntu中需要另外开一个窗口执行这个命令，否则一直提示< waiting for any device >)然后等待提示成功后重启车机
7. Shell

   Fastboot: Got bootloader commands! 1 setufp mode 0 1 cdns3_uboot_initmode 0 flashing unlock. It is able to unlock device. 1 Start /data wipe process.... Wipe /data completed. Start stored_rollback_index wipe process.... Wipe stored_rollback_index completed.

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   Fastboot: Got bootloader commands! 1 setufp mode 0 1 cdns3_uboot_initmode 0 flashing unlock. It is able to unlock device. 1 Start /data wipe process.... Wipe /data completed. Start stored_rollback_index wipe process.... Wipe stored_rollback_index completed.

    

8. 重启成功后，再执行adb root和adb remount即可

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