diff --git a/ARM_Tag_FW/OpenEPaperLink_esp32_C6_AP/main/cc1101_radio.c b/ARM_Tag_FW/OpenEPaperLink_esp32_C6_AP/main/cc1101_radio.c
index ec4eae0b..13ecaffe 100755
--- a/ARM_Tag_FW/OpenEPaperLink_esp32_C6_AP/main/cc1101_radio.c
+++ b/ARM_Tag_FW/OpenEPaperLink_esp32_C6_AP/main/cc1101_radio.c
@@ -701,10 +701,18 @@ bool CC1101_Present()
    uint8_t PartNum = CC1101_readReg(CC1101_PARTNUM, CC1101_STATUS_REGISTER);
    uint8_t ChipVersion = CC1101_readReg(CC1101_VERSION, CC1101_STATUS_REGISTER);
 
-   if(PartNum == 0 && ChipVersion == 20) {
+   if(PartNum == 0 && (ChipVersion == 20 || ChipVersion == 4)) {
       LOGA("CC1101 detected\n");
       Ret = true;
    }
+   else {
+      if(PartNum != 0) {
+         LOGA("Invalid PartNum 0x%x\n",PartNum);
+      }
+      else {
+         LOGA("Invalid or unsupported ChipVersion 0x%x\n",ChipVersion);
+      }
+   }
 
    return Ret;
 }
diff --git a/ARM_Tag_FW/OpenEPaperLink_esp32_C6_AP/main/main.c b/ARM_Tag_FW/OpenEPaperLink_esp32_C6_AP/main/main.c
index ff4e84df..d0f568ba 100644
--- a/ARM_Tag_FW/OpenEPaperLink_esp32_C6_AP/main/main.c
+++ b/ARM_Tag_FW/OpenEPaperLink_esp32_C6_AP/main/main.c
@@ -42,7 +42,7 @@ const uint8_t channelList[6] = {11, 15, 20, 25, 26, 27};
 struct pendingData pendingDataArr[MAX_PENDING_MACS];
 
 // VERSION GOES HERE!
-uint16_t version = 0x001C;
+uint16_t version = 0x001d;
 
 #define RAW_PKT_PADDING 2
 
diff --git a/ARM_Tag_FW/OpenEPaperLink_esp32_C6_AP/main/radio.c b/ARM_Tag_FW/OpenEPaperLink_esp32_C6_AP/main/radio.c
index 5a08d20a..4c8ebcb2 100644
--- a/ARM_Tag_FW/OpenEPaperLink_esp32_C6_AP/main/radio.c
+++ b/ARM_Tag_FW/OpenEPaperLink_esp32_C6_AP/main/radio.c
@@ -39,7 +39,7 @@ void esp_ieee802154_receive_done(uint8_t *frame, esp_ieee802154_frame_info_t *fr
     memcpy(inner_rxPKT, &frame[0], frame[0] + 1);
     xQueueSendFromISR(packet_buffer, (void *)&inner_rxPKT, &xHigherPriorityTaskWoken);
     portYIELD_FROM_ISR_ARG(xHigherPriorityTaskWoken);
-    esp_ieee802154_receive_handle_done(frame);
+    esp_ieee802154_receive_sfd_done();
 }
 
 void esp_ieee802154_transmit_failed(const uint8_t *frame, esp_ieee802154_tx_error_t error) {
@@ -50,7 +50,7 @@ void esp_ieee802154_transmit_failed(const uint8_t *frame, esp_ieee802154_tx_erro
 void esp_ieee802154_transmit_done(const uint8_t *frame, const uint8_t *ack, esp_ieee802154_frame_info_t *ack_frame_info) {
     isInTransmit = 0;
     ESP_EARLY_LOGI(TAG, "TX %d", frame[0]);
-    esp_ieee802154_receive_handle_done(frame);
+    esp_ieee802154_receive_sfd_done();
 }
 static bool zigbee_is_enabled = false;
 void radio_init(uint8_t ch) {