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Changelog
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Guide
Changelog

MeXkey3 Rescue Mode

Note

After performing a factory reset in Rescue Mode, you need to restore the Smart Card once more upon entering the firmware to initialize it.

Entering Rescue Mode

After connecting USB, press and hold for 10 seconds, release, and then immediately press and hold for another 2 seconds.

Using Rescue Mode

Connect using a serial terminal that supports UTF-8.

Serial Parameters

Baud Rate: 115200 Data Bits: 8 Parity: None Stop Bits: 1 Flow Control: None
TIP

For Windows, the Serial Debug Assistant from the Microsoft Store is recommended.

After connecting, send help to get the list of commands.

======================================== | MeXkey3 救援模式 v3.0.0 | | help 显示支持的命令列表 | reboot 重启设备 | status 查看设备锁定状态 | factory_reset 恢复出厂设置（清除所有数据并解锁） | clear_config 清除设备配置 | wipe_security 清除安全数据（OpenPGP/PIV/FIDO） | format_storage 格式化存储分区 | mount 挂载存储分区 | unmount 卸载存储分区 | update 固件升级 | unlock:<PIN> 使用PIN码解锁设备 ======================================== Please enter the complete command (example: unlock:123456)

升级操作流程示例

1. Check status after connecting to serial status 2. Unlock the device (assuming PIN is 654321) unlock:654321 3. Mount the storage partition to copy files mount (At this point, the USB drive appears, and the serial connection will be disconnected; you need to reconnect) 4. Unmount the partition after operation unmount (The serial connection will be disconnected; you need to reconnect) 5. Reboot safely update
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