Handshaking... Error Unexpected Response 0x68 [verified]

If you see this while flashing firmware or using an AT command set:

However, sometimes the receiving UART will interpret the voltage margin incorrectly, generating random bytes like 0x68 during the start-bit sampling. handshaking... error unexpected response 0x68

The error prepare article for handshaking... error unexpected response 0x68 is almost always a symptom of . The presence of `0x68 If you see this while flashing firmware or