Handshaking... Error Unexpected Response 0x68 |link|

The message is a rite of passage for anyone working with low-level serial protocols. Far from a random glitch, 0x68 (the ASCII character 'h') is a precise forensic datum.

Hardware handshaking requires specific pins (typically pin 7 RTS, pin 8 CTS on DB9 connectors). Here’s the trap: If your software is configured for but your cable lacks those wires, the receiving device may power up with its CTS line low (inactive). Your computer waits. The device sends data anyway. That data starts with 0x68 . handshaking... error unexpected response 0x68

Restart the software and perform a "Force Restart" on the phone (usually by holding Power + Volume Down) while it's plugged in. Technical Summary The message is a rite of passage for