魔百和CM211-2 M8375开机卡界面怎么破
用HITOOL就提示这个。新手搞不明白了。求大神给个详细的教程{:124:}串口已经连接，请给单板上电，若已经上电，请断电后重新上电。
Timeout error.
Failed to send type frame. It may be caused by the following reasons:
1. The board is not powered on or off again;
2. The selected serial port is incorrect;
3. The bootstrap function of the chip OTP is disabled.
Failed to download fastboot!
引导不行继续换
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