diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2f85f4ad3..32a3a9b4f 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@ All notable changes to this project will be documented in this file.
 
 ## [15.5.0.2]
 ### Added
+- Support for baudrate 74880 replacing 74700 (#24924)
 
 ### Breaking Changed
 
diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index 4778c0ded..ee1e400e5 100755
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -114,6 +114,7 @@ The latter links can be used for OTA upgrades too like ``OtaUrl https://ota.tasm
 
 ## Changelog v15.5.0.2
 ### Added
+- Support for baudrate 74880 replacing 74700 [#24924](https://github.com/arendst/Tasmota/issues/24924)
 - TLS support for EC P-384 curve in server certificate [#24909](https://github.com/arendst/Tasmota/issues/24909)
 - MagicSwitch configurable masking window fixing problems with multiple false triggering [#24888](https://github.com/arendst/Tasmota/issues/24888)
 - Berry `bytes` methods `setbits`/`getbits` transposed to native and support for big endian [#24857](https://github.com/arendst/Tasmota/issues/24857)
diff --git a/tasmota/tasmota.ino b/tasmota/tasmota.ino
index b2aeddca5..4c4587e17 100644
--- a/tasmota/tasmota.ino
+++ b/tasmota/tasmota.ino
@@ -476,7 +476,7 @@ void setup(void) {
 
   if (RtcSettingsLoad(0)) {
     uint32_t baudrate = (RtcSettings.baudrate / 300) * 300;  // Make it a valid baudrate
-    if (baudrate) { TasmotaGlobal.baudrate = baudrate; }
+    if (baudrate) { SetTasmotaGlobalBaudrate(baudrate); }
   }
 
   // Init settings and logging preparing for AddLog use
diff --git a/tasmota/tasmota_support/support.ino b/tasmota/tasmota_support/support.ino
index 909ed2154..68bc09baa 100644
--- a/tasmota/tasmota_support/support.ino
+++ b/tasmota/tasmota_support/support.ino
@@ -2175,8 +2175,18 @@ void SetSerialSwap(void) {
 }
 #endif
 
+void SetTasmotaGlobalBaudrate(uint32_t baudrate) {
+  TasmotaGlobal.baudrate = baudrate;
+  if (Settings != nullptr) {              // May not have been initialized yet
+    Settings->baudrate = TasmotaGlobal.baudrate / 300;
+  }
+  if (74700 == TasmotaGlobal.baudrate) {  // 74880 / 300 = 249,6. 249 * 300 = 74700
+    TasmotaGlobal.baudrate = 74880;       // ESP8266 ROM baudrate
+  }
+}
+
 void SetSerialBegin(void) {
-  TasmotaGlobal.baudrate = Settings->baudrate * 300;
+  SetTasmotaGlobalBaudrate(Settings->baudrate * 300);
   AddLog(LOG_LEVEL_INFO, PSTR(D_LOG_SERIAL "Set to %s %d bit/s"), GetSerialConfig().c_str(), TasmotaGlobal.baudrate);
   Serial.flush();
 #ifdef ESP8266
@@ -2199,7 +2209,7 @@ void SetSerialBegin(void) {
 }
 
 void SetSerialInitBegin(void) {
-  TasmotaGlobal.baudrate = Settings->baudrate * 300;
+  SetTasmotaGlobalBaudrate(Settings->baudrate * 300);
   if ((GetSerialBaudrate() != TasmotaGlobal.baudrate) || (TS_SERIAL_8N1 != Settings->serial_config)) {
     SetSerialBegin();
   }
@@ -2216,8 +2226,7 @@ void SetSerialConfig(uint32_t serial_config) {
 }
 
 void SetSerialBaudrate(uint32_t baudrate) {
-  TasmotaGlobal.baudrate = baudrate;
-  Settings->baudrate = TasmotaGlobal.baudrate / 300;
+  SetTasmotaGlobalBaudrate(baudrate);
   if (GetSerialBaudrate() != TasmotaGlobal.baudrate) {
     SetSerialBegin();
   }
@@ -2226,8 +2235,7 @@ void SetSerialBaudrate(uint32_t baudrate) {
 void SetSerial(uint32_t baudrate, uint32_t serial_config) {
   Settings->flag.mqtt_serial = 0;  // CMND_SERIALSEND and CMND_SERIALLOG
   Settings->serial_config = serial_config;
-  TasmotaGlobal.baudrate = baudrate;
-  Settings->baudrate = TasmotaGlobal.baudrate / 300;
+  SetTasmotaGlobalBaudrate(baudrate);
   SetSeriallog(LOG_LEVEL_NONE);
   SetSerialBegin();
 }
@@ -2245,8 +2253,7 @@ void ClaimSerial(void) {
   TasmotaGlobal.serial_local = true;
   AddLog(LOG_LEVEL_INFO, PSTR("SNS: Hardware Serial"));
   SetSeriallog(LOG_LEVEL_NONE);
-  TasmotaGlobal.baudrate = GetSerialBaudrate();
-  Settings->baudrate = TasmotaGlobal.baudrate / 300;
+  SetTasmotaGlobalBaudrate(GetSerialBaudrate());
 }
 
 void SerialSendRaw(char *codes)
diff --git a/tasmota/tasmota_support/support_command.ino b/tasmota/tasmota_support/support_command.ino
index ddb8a0c0d..35df2c76c 100644
--- a/tasmota/tasmota_support/support_command.ino
+++ b/tasmota/tasmota_support/support_command.ino
@@ -2270,7 +2270,7 @@ void CmndBaudrate(void)
 {
   if (XdrvMailbox.payload >= 300) {
     XdrvMailbox.payload /= 300;  // Make it a valid baudrate
-    TasmotaGlobal.baudrate = (XdrvMailbox.payload & 0xFFFF) * 300;
+    SetTasmotaGlobalBaudrate((XdrvMailbox.payload & 0xFFFF) * 300);
     SetSerialBaudrate(TasmotaGlobal.baudrate);
   }
   ResponseCmndNumber(TasmotaGlobal.baudrate);