[Issue]: Serial Monitor keeps reverting to 115200 Baud and does not work at 921600

[MagTek-PaulDeignan]

Issue type

Bug

Summary

My device connects at 921600. However, Click on Start for Serial Monitor and the Baud rate changes to 115200. I am trying to use the faster speeds

Operating system

Windows

ESPConnect Session log (required)

v1.1.21 2026-09-02T21:46:50.006Z [ESPConnect-ui] Requesting serial port access...
v1.1.21 2026-09-02T21:46:51.911Z [ESPConnect-Debug] tasmota-webserial-esptool v(7.3.10)
v1.1.21 2026-09-02T21:46:51.911Z [ESPConnect-Debug] Serial input flushed before handshake.
v1.1.21 2026-09-02T21:46:51.912Z [ESPConnect-Debug] Opening serial port...
v1.1.21 2026-09-02T21:46:51.920Z [ESPConnect-Debug] Handshaking with ROM bootloader...
v7.3.10 webserial 2026-09-02T21:46:51.920Z  [ESPLoader]  USB-Serial: CH343 (VID: 0x1a86, PID: 0x55d3)
v7.3.10 webserial 2026-09-02T21:46:51.920Z  [ESPLoader]  Max baudrate: 6000000
v7.3.10 webserial 2026-09-02T21:46:51.921Z  [ESPLoader]  Detected USB: VID=0x1a86, PID=0x55d3
v7.3.10 webserial 2026-09-02T21:46:51.921Z  [ESPLoader]  Trying Classic reset...
v7.3.10 webserial 2026-09-02T21:46:52.433Z  [ESPLoader]  Connected successfully with Classic reset.
v7.3.10 webserial 2026-09-02T21:46:52.473Z  [ESPLoader]  Connected to ESP32-S3 (revision 2)
v1.1.21 2026-09-02T21:46:52.474Z [ESPConnect-Debug] Loading stub flasher...
v7.3.10 webserial 2026-09-02T21:46:52.475Z  [ESPLoader]  Uploading stub...
v7.3.10 webserial 2026-09-02T21:46:53.060Z  [ESPLoader]  Stub is now running...
v7.3.10 webserial 2026-09-02T21:46:53.060Z  [ESPLoader]  Detecting Flash Size
v7.3.10 webserial 2026-09-02T21:46:53.113Z  [ESPLoader]  FlashId: 0x1740C8
v7.3.10 webserial 2026-09-02T21:46:53.113Z  [ESPLoader]  Flash Manufacturer: c8
v7.3.10 webserial 2026-09-02T21:46:53.113Z  [ESPLoader]  Flash Device: 4017
v7.3.10 webserial 2026-09-02T21:46:53.113Z  [ESPLoader]  Auto-detected Flash size: 8MB
v1.1.21 2026-09-02T21:46:53.367Z [ESPConnect-Debug] Getting security information...
v1.1.21 2026-09-02T21:46:53.370Z [ESPConnect-Debug] Handshake complete with ESP32-S3. Collecting device details...
v1.1.21 2026-09-02T21:46:53.371Z [ESPConnect-Debug] Chip ID: 0x9
v1.1.21 2026-09-02T21:46:53.426Z [ESPConnect-Debug] Chip metadata: pkgVersion=0, chipRevision=2
v1.1.21 2026-09-02T21:46:53.426Z [ESPConnect-Debug] Chip detectFlashSize: 8MB
v1.1.21 2026-09-02T21:46:53.479Z [ESPConnect-Debug] Flash detect raw: getFlashSize=8MB, flashId=0x1740C8 (manuf=0xC8, type=0x40, cap=0x17)
v7.3.10 webserial 2026-09-02T21:46:53.583Z  [ESPLoader]  Reading 32 bytes from flash at address 0x8000...
v7.3.10 webserial 2026-09-02T21:46:53.700Z  [ESPLoader]  Reading 1024 bytes from flash at address 0x8000...
v7.3.10 webserial 2026-09-02T21:46:53.817Z  [ESPLoader]  Reading 65536 bytes from flash at address 0x670000...
v1.1.21 2026-09-02T21:46:54.639Z [ESPConnect-Warn] Filesystem probe inconclusive; falling back to partition subtype. {"offset":6750208,"size":1572864,"readSize":65536}
v1.1.21 2026-09-02T21:46:54.639Z [ESPConnect-ui] Partition "spiffs" at 0x670000: filesystem probe inconclusive.
v1.1.21 2026-09-02T21:46:54.640Z [ESPConnect-Debug] Loaded device details: ESP32-S3, 26 facts.
v1.1.21 2026-09-02T21:46:54.640Z [ESPConnect-ui] Connection established. Ready to flash.
v1.1.21 2026-09-02T21:46:54.640Z [ESPConnect-Debug] Connect flow finished (busy=false).
v1.1.21 2026-09-02T21:47:03.253Z [ESPConnect-Debug] Changing baud to 115,200 bps...
v1.1.21 2026-09-02T21:47:03.822Z [ESPConnect-Debug] Baud changed to 115,200 bps.
v1.1.21 2026-09-02T21:47:03.825Z [ESPConnect-Debug] Auto-resetting board before starting serial monitor output.
v1.1.21 2026-09-02T21:47:03.825Z [ESPConnect-Debug] Board Hard Reset
v7.3.10 webserial 2026-09-02T21:47:03.933Z  [ESPLoader]  Hard reset.
v1.1.21 2026-09-02T21:47:04.946Z [ESPConnect-Debug] Serial monitor started.

Checklist

• I searched for existing issues.
• I can reproduce this on the latest release.