diff --git a/src/databus/Arduino_ESP32LCD16.cpp b/src/databus/Arduino_ESP32LCD16.cpp
index 928b7ed0..0964fc28 100644
--- a/src/databus/Arduino_ESP32LCD16.cpp
+++ b/src/databus/Arduino_ESP32LCD16.cpp
@@ -176,12 +176,15 @@ void Arduino_ESP32LCD16::writeCommand16(uint16_t c)
 
 void Arduino_ESP32LCD16::writeCommandBytes(uint8_t *data, uint32_t len)
 {
-  DC_LOW();
+  LCD_CAM.lcd_misc.val = LCD_CAM_LCD_CD_IDLE_EDGE | LCD_CAM_LCD_CD_CMD_SET;
+
   while (len--)
   {
-    WRITECOMMAND16(*data++);
+    LCD_CAM.lcd_cmd_val.val = *data++;
+    WAIT_LCD_NOT_BUSY;
+    LCD_CAM.lcd_user.val = LCD_CAM_LCD_2BYTE_EN | LCD_CAM_LCD_CMD | LCD_CAM_LCD_UPDATE_REG | LCD_CAM_LCD_START;
   }
-  DC_HIGH();
+  LCD_CAM.lcd_misc.val = LCD_CAM_LCD_CD_IDLE_EDGE;
 }
 
 void Arduino_ESP32LCD16::write(uint8_t d)
diff --git a/src/databus/Arduino_ESP32LCD8.cpp b/src/databus/Arduino_ESP32LCD8.cpp
index 77852899..7f9c5d7c 100644
--- a/src/databus/Arduino_ESP32LCD8.cpp
+++ b/src/databus/Arduino_ESP32LCD8.cpp
@@ -233,13 +233,10 @@ void Arduino_ESP32LCD8::writeCommandBytes(uint8_t *data, uint32_t len)
 
   while (len--)
   {
-    _data16.value = p;
+    _data16.value = *data++;
     LCD_CAM.lcd_cmd_val.lcd_cmd_value = _data16.msb;
     WAIT_LCD_NOT_BUSY;
     LCD_CAM.lcd_user.val = LCD_CAM_LCD_CMD | LCD_CAM_LCD_UPDATE_REG | LCD_CAM_LCD_START;
-    LCD_CAM.lcd_cmd_val.lcd_cmd_value = _data16.lsb;
-    WAIT_LCD_NOT_BUSY;
-    LCD_CAM.lcd_user.val = LCD_CAM_LCD_CMD | LCD_CAM_LCD_UPDATE_REG | LCD_CAM_LCD_START;
   }
 
   LCD_CAM.lcd_misc.val = LCD_CAM_LCD_CD_IDLE_EDGE;
diff --git a/src/databus/Arduino_ESP32QSPI.cpp b/src/databus/Arduino_ESP32QSPI.cpp
index 9a82dc74..d1149358 100644
--- a/src/databus/Arduino_ESP32QSPI.cpp
+++ b/src/databus/Arduino_ESP32QSPI.cpp
@@ -165,14 +165,24 @@ void Arduino_ESP32QSPI::writeCommand16(uint16_t c)
 
 void Arduino_ESP32QSPI::writeCommandBytes(uint8_t *data, uint32_t len)
 {
-  DC_LOW();
-
-  while (len--)
+  CS_LOW();
+  uint32_t l;
+  bool first_send = true;
+  while (len)
   {
-    WRITE(*data++);
-  }
+    l = (len >= (ESP32QSPI_MAX_PIXELS_AT_ONCE << 1)) ? (ESP32QSPI_MAX_PIXELS_AT_ONCE << 1) : len;
 
-  DC_HIGH();
+    _spi_tran_ext.base.flags = SPI_TRANS_MULTILINE_CMD | SPI_TRANS_MULTILINE_ADDR;
+    _spi_tran_ext.base.tx_buffer = data;
+    _spi_tran_ext.base.length = l << 3;
+
+    POLL_START();
+    POLL_END();
+
+    len -= l;
+    data += l;
+  }
+  CS_HIGH();
 }
 
 /**
diff --git a/src/databus/Arduino_ESP32SPI.cpp b/src/databus/Arduino_ESP32SPI.cpp
index fa50d06f..32040f4f 100644
--- a/src/databus/Arduino_ESP32SPI.cpp
+++ b/src/databus/Arduino_ESP32SPI.cpp
@@ -441,7 +441,7 @@ void Arduino_ESP32SPI::writeCommandBytes(uint8_t *data, uint32_t len)
 
     while (len--)
     {
-      WRITE(*data++);
+      WRITE8BIT(*data++);
     }
 
     DC_HIGH();
diff --git a/src/databus/Arduino_ESP32SPIDMA.cpp b/src/databus/Arduino_ESP32SPIDMA.cpp
index 7af843c9..abc5a2c0 100644
--- a/src/databus/Arduino_ESP32SPIDMA.cpp
+++ b/src/databus/Arduino_ESP32SPIDMA.cpp
@@ -298,7 +298,7 @@ void Arduino_ESP32SPIDMA::writeCommandBytes(uint8_t *data, uint32_t len)
     DC_LOW();
     while (len--)
     {
-      WRITE(*data++);
+      WRITE8BIT(*data++);
     }
     DC_HIGH();
   }
diff --git a/src/display/Arduino_SH1106.cpp b/src/display/Arduino_SH1106.cpp
index d91ac212..9bad3274 100644
--- a/src/display/Arduino_SH1106.cpp
+++ b/src/display/Arduino_SH1106.cpp
@@ -87,7 +87,7 @@ bool Arduino_SH1106::begin(int32_t speed)
       // WRITE_COMMAND_16, SH110X_MEMORYMODE, 0x10,         // 0x20, 0x10
       // WRITE_COMMAND_8, SH110X_DISPLAYALLON_RESUME,       // 0xA4
 
-      WRITE_COMMANDS, 25,
+      WRITE_COMMAND_BYTES, 25,
       SH110X_DISPLAYOFF,
       SH110X_SETDISPLAYCLOCKDIV, 0x80, // 0xD5, 0x80,
       SH110X_SETMULTIPLEX, 0x3F,       // 0xA8, 0x3F,
diff --git a/src/display/Arduino_SSD1306.cpp b/src/display/Arduino_SSD1306.cpp
index 04e64ca1..0b066aaa 100644
--- a/src/display/Arduino_SSD1306.cpp
+++ b/src/display/Arduino_SSD1306.cpp
@@ -70,7 +70,7 @@ bool Arduino_SSD1306::begin(int32_t speed)
 
   static const uint8_t init_sequence[] = {
       BEGIN_WRITE,
-      WRITE_COMMANDS, 25,
+      WRITE_COMMAND_BYTES, 25,
       SSD1306_DISPLAYOFF,                          // 0xAE
       SSD1306_SETCONTRAST, _contrast,              // 0x81 nn
       SSD1306_NORMALDISPLAY,                       // 0xA6