diff --git a/esp_idf/Spectra6/main/Spectra6.cpp b/esp_idf/Spectra6/main/Spectra6.cpp
index 52d11fb..79c4c79 100644
--- a/esp_idf/Spectra6/main/Spectra6.cpp
+++ b/esp_idf/Spectra6/main/Spectra6.cpp
@@ -37,6 +37,16 @@ extern "C" void app_main(void)
     bbep.writePlane();
     bbep.refresh(REFRESH_FULL);
     bbep.sleep(1); // deep sleep
+    vTaskDelay(200); // wait 2 seconds
+// try different content
+    bbep.fillScreen(BBEP_YELLOW);
+    bbep.setTextColor(BBEP_GREEN);
+    bbep.setCursor(200, 300);
+    bbep.print("Second time is broken?");
+    bbep.writePlane();
+    bbep.refresh(REFRESH_FULL);
+    bbep.sleep(1);
+
     while (1) {
         vTaskDelay(1);
     }
diff --git a/esp_idf/esp_generic.inl b/esp_idf/esp_generic.inl
index 912f9cf..212a401 100644
--- a/esp_idf/esp_generic.inl
+++ b/esp_idf/esp_generic.inl
@@ -200,6 +200,14 @@ void bbepWriteCmd(BBEPDISP *pBBEP, uint8_t cmd)
         // if it's asleep, it can't receive commands
         bbepWakeUp(pBBEP);
         pBBEP->is_awake = 1;
+        if (pBBEP->iFlags & BBEP_7COLOR) { // need to send before you can send it data
+            bbepSendCMDSequence(pBBEP, pBBEP->pInitFull);
+            if (pBBEP->iFlags & BBEP_SPLIT_BUFFER) { // dual cable EPD
+                pBBEP->iCSPin = pBBEP->iCS2Pin;
+                bbepSendCMDSequence(pBBEP, pBBEP->pInitFull); // second controller
+                pBBEP->iCSPin = pBBEP->iCS1Pin;
+            }
+        }
     }
     digitalWrite(pBBEP->iDCPin, LOW);
     delay(1);
@@ -281,8 +289,15 @@ void bbepInitIO(BBEPDISP *pBBEP, uint8_t u8DC, uint8_t u8RST, uint8_t u8BUSY, ui
     assert(ret==ESP_OK);
     
     if (pBBEP->iFlags & BBEP_7COLOR) { // need to send before you can send it data
+        pBBEP->is_awake = 1;
         bbepSendCMDSequence(pBBEP, pBBEP->pInitFull);
+        if (pBBEP->iFlags & BBEP_SPLIT_BUFFER) { 
+           // Send the same sequence to the second controller
+           pBBEP->iCSPin = pBBEP->iCS2Pin;
+           bbepSendCMDSequence(pBBEP, pBBEP->pInitFull);
+           pBBEP->iCSPin = pBBEP->iCS1Pin;
+        }
     }
-} /* spi_init() */
+} /* bbepInitIO() */
 
 #endif // __ESP_IDF_IO__
diff --git a/src/arduino_io.inl b/src/arduino_io.inl
index 71e09e0..09e9fd7 100644
--- a/src/arduino_io.inl
+++ b/src/arduino_io.inl
@@ -66,7 +66,14 @@ void bbepInitIO(BBEPDISP *pBBEP, uint8_t u8DC, uint8_t u8RST, uint8_t u8BUSY, ui
     SPI.beginTransaction(SPISettings(u32Speed, MSBFIRST, SPI_MODE0));
     SPI.endTransaction(); // N.B. - if you call beginTransaction() again without a matching endTransaction(), it will hang on ESP32
     if (pBBEP->iFlags & BBEP_7COLOR) { // need to send before you can send it data
+        pBBEP->is_awake = 1;
         bbepSendCMDSequence(pBBEP, pBBEP->pInitFull);
+        if (pBBEP->iFlags & BBEP_SPLIT_BUFFER) {    
+           // Send the same sequence to the second controller
+           pBBEP->iCSPin = pBBEP->iCS2Pin;
+           bbepSendCMDSequence(pBBEP, pBBEP->pInitFull);
+           pBBEP->iCSPin = pBBEP->iCS1Pin;
+        }
     }
 } /* bbepInitIO() */
 
diff --git a/src/bb_ep.inl b/src/bb_ep.inl
index 9dd6fb0..070d089 100644
--- a/src/bb_ep.inl
+++ b/src/bb_ep.inl
@@ -1725,6 +1725,11 @@ void bbepSleep(BBEPDISP *pBBEP, int bDeep)
     if (pBBEP->chip_type == BBEP_CHIP_UC81xx) {
         if (pBBEP->iFlags & BBEP_7COLOR) {
             bbepCMD2(pBBEP, UC8151_POFF, 0x00); // power off
+            if (pBBEP->iFlags & BBEP_SPLIT_BUFFER) { // dual cable EPD
+               pBBEP->iCSPin = pBBEP->iCS2Pin;
+               bbepCMD2(pBBEP, UC8151_POFF, 0x00); // second controller
+               pBBEP->iCSPin = pBBEP->iCS1Pin;
+            }
         } else {
             bbepCMD2(pBBEP, UC8151_CDI, 0x17); // border floating
             bbepWriteCmd(pBBEP, UC8151_POFF); // power off