diff --git a/binaries/AP_FW-dma.bin b/binaries/AP_FW-dma.bin
deleted file mode 100644
index cdf49b09..00000000
Binary files a/binaries/AP_FW-dma.bin and /dev/null differ
diff --git a/binaries/AP_FW-universal.bin b/binaries/AP_FW-universal.bin
index 426cf800..b196e69a 100644
Binary files a/binaries/AP_FW-universal.bin and b/binaries/AP_FW-universal.bin differ
diff --git a/binaries/Tag_FW_1.54.bin b/binaries/Tag_FW_1.54.bin
old mode 100644
new mode 100755
diff --git a/binaries/Tag_FW_2.9-uc8151.bin b/binaries/Tag_FW_2.9-uc8151.bin
old mode 100644
new mode 100755
diff --git a/binaries/Tag_FW_2.9.bin b/binaries/Tag_FW_2.9.bin
old mode 100644
new mode 100755
diff --git a/binaries/Tag_FW_4.2.bin b/binaries/Tag_FW_4.2.bin
old mode 100644
new mode 100755
diff --git a/binaries/zigbeebase000E.bin b/binaries/zigbeebase000E.bin
deleted file mode 100644
index cdf49b09..00000000
Binary files a/binaries/zigbeebase000E.bin and /dev/null differ
diff --git a/binaries/zigbeebase000F.bin b/binaries/zigbeebase000F.bin
new file mode 100644
index 00000000..b196e69a
Binary files /dev/null and b/binaries/zigbeebase000F.bin differ
diff --git a/zbs243_AP_FW/main.c b/zbs243_AP_FW/main.c
old mode 100644
new mode 100755
index fd693d2c..ba5dd9b5
--- a/zbs243_AP_FW/main.c
+++ b/zbs243_AP_FW/main.c
@@ -38,7 +38,7 @@ struct espAvailDataReq {
     struct AvailDataReq adr;
 } __packed;
 
-//#define TIMER_TICKS_PER_MS 1333UL
+// #define TIMER_TICKS_PER_MS 1333UL
 uint16_t __xdata version = 0x000E;
 #define RAW_PKT_PADDING 2
 
@@ -63,10 +63,11 @@ struct blockRequest __xdata requestedData = {0};  // holds which data was reques
 uint8_t __xdata dstMac[8];  // target for the block transfer
 uint16_t __xdata dstPan;    //
 
-static uint32_t __xdata blockStartTimer = 0;          // reference that holds when the AP sends the next block
-uint32_t __xdata nextBlockAttempt = 0;                // reference time for when the AP can request a new block from the ESP32
-uint8_t seq = 0;                                      // holds current sequence number for transmission
-uint8_t __xdata blockbuffer[BLOCK_XFER_BUFFER_SIZE+5];  // block transfer buffer
+static uint32_t __xdata blockStartTimer = 0;              // reference that holds when the AP sends the next block
+extern bool __idata serialBypassActive;                   // if the serial bypass is disabled, saves bytes straight to the block buffer
+uint32_t __xdata nextBlockAttempt = 0;                    // reference time for when the AP can request a new block from the ESP32
+uint8_t seq = 0;                                          // holds current sequence number for transmission
+uint8_t __xdata blockbuffer[BLOCK_XFER_BUFFER_SIZE + 5];  // block transfer buffer
 uint8_t lastAckMac[8] = {0};
 
 // these variables hold the current mac were talking to
@@ -194,6 +195,13 @@ void processSerial(uint8_t lastchar) {
                 cmdbuffer[c] = cmdbuffer[c + 1];
             }
             cmdbuffer[3] = lastchar;
+
+            if (strncmp(cmdbuffer + 1, ">D>", 3) == 0) {
+                blockp = blockbuffer;
+                pr("ACK>\n");
+                serialBypassActive = true;
+            }
+
             if (strncmp(cmdbuffer, "SDA>", 4) == 0) {
                 RXState = ZBS_RX_WAIT_SDA;
                 bytesRemain = sizeof(struct pendingData);
@@ -206,11 +214,6 @@ void processSerial(uint8_t lastchar) {
                 serialbufferp = serialbuffer;
                 break;
             }
-            if (strncmp(cmdbuffer+1, ">D>", 3) == 0) {
-                blockp = blockbuffer;
-                pr("ACK>\n");
-            }
-
             if (strncmp(cmdbuffer, "VER?", 4) == 0) {
                 pr("VER>%04X\n", version);
             }
@@ -410,6 +413,7 @@ void processBlockRequest(const uint8_t *buffer, uint8_t forceBlockDownload) {
     dstPan = rxHeader->pan;
 
     if (requestDataDownload) {
+        serialBypassActive = false;
         espBlockRequest(&requestedData);
         nextBlockAttempt = timerGet();
     }
@@ -652,7 +656,7 @@ void main(void) {
             }
             loopCount--;
             if (loopCount == 0) {
-                wdt10s();
+                wdt60s();
                 loopCount = 10000;
                 // every once in a while, especially when handling a lot of traffic, the radio will hang. Calling this every once in while
                 // alleviates this problem. The radio is set back to 'receive' whenever loopCount overflows
diff --git a/zbs243_shared/soc/zbs243/uart.c b/zbs243_shared/soc/zbs243/uart.c
old mode 100644
new mode 100755
index d3b51034..95ad84ee
--- a/zbs243_shared/soc/zbs243/uart.c
+++ b/zbs243_shared/soc/zbs243/uart.c
@@ -12,7 +12,8 @@ void uartInit(void) {
     // configure baud rate
     UARTBRGH = 0x00;
 #ifdef AP_FW
-    UARTBRGL = 69;  // nice. 230400 baud
+    //UARTBRGL = 69;  // nice. 230400 baud
+    UARTBRGL = 70; // 79 == 200k
     IEN_UART0 = 1;
 #else
     UARTBRGL = 0x8A;  // config for 115200
@@ -29,6 +30,8 @@ void uartTx(uint8_t val) {
 }
 #else
 
+extern uint8_t __xdata blockbuffer[];
+
 volatile uint8_t txtail = 0;
 volatile uint8_t txhead = 0;
 uint8_t __xdata txbuf[256] = {0};
@@ -62,15 +65,33 @@ uint8_t uartBytesAvail() {
 }
 
 uint8_t* __idata blockp;
+uint8_t __idata cmd[3];
+volatile bool __idata serialBypassActive = false;
+
+void checkcommand(uint8_t rx) {
+    for (uint8_t c = 0; c < 2; c++) {
+        cmd[c] = cmd[c + 1];
+    }
+    cmd[2] = rx;
+    if (strncmp(cmd, ">D>", 3) == 0) {
+        blockp = blockbuffer;
+        serialBypassActive = true;
+    }
+}
 
 void UART_IRQ1(void) __interrupt(0) {
     if (UARTSTA & 1) {  // RXC
         UARTSTA &= 0xfe;
-        if (P0_2) {
+        if (serialBypassActive) {
             *blockp++ = UARTBUF;
+            if (blockp == (blockbuffer + 4100)) {
+                serialBypassActive = false;
+                blockp = blockbuffer;
+            }
         } else {
             rxbuf[rxhead] = UARTBUF;
             rxhead++;
+            //checkcommand(UARTBUF);
         }
     }
     if (UARTSTA & 2) {  // TXC
@@ -81,4 +102,4 @@ void UART_IRQ1(void) __interrupt(0) {
         }
     }
 }
-#endif
\ No newline at end of file
+#endif