[BROM] USB handshake start... [BROM] Handshake OK [BROM] Send DA length fail, ACK timeout [ERROR] BROM: Cannot receive valid ACK from host (1117)
: Identifying exactly where a flashing process hangs (e.g., during the "Red Bar" preloader stage or the "Yellow Bar" partition write).
[BROM] USB handshake start... [BROM] Handshake OK [BROM] Send DA length fail, ACK timeout [ERROR] BROM: Cannot receive valid ACK from host (1117)
: Identifying exactly where a flashing process hangs (e.g., during the "Red Bar" preloader stage or the "Yellow Bar" partition write). sp flash tool runtime trace mode