diff --git a/src/js/port_handler.js b/src/js/port_handler.js
index 7b2fd9e2..4496777e 100644
--- a/src/js/port_handler.js
+++ b/src/js/port_handler.js
@@ -11,6 +11,7 @@ const TIMEOUT_CHECK = 500 ; // With 250 it seems that it produces a memory leak
 export const usbDevices = { filters: [
     {'vendorId': 1155, 'productId': 57105}, // STM Device in DFU Mode || Digital Radio in USB mode
     {'vendorId': 10473, 'productId': 393},  // GD32 DFU Bootloader
+    {'vendorId': 0x2E3C, 'productId': 0xDF11},  // AT32F435 DFU Bootloader
 ] };
 
 const PortHandler = new function () {
diff --git a/src/js/protocols/stm32usbdfu.js b/src/js/protocols/stm32usbdfu.js
index 90345a0f..482f9805 100644
--- a/src/js/protocols/stm32usbdfu.js
+++ b/src/js/protocols/stm32usbdfu.js
@@ -346,10 +346,18 @@ STM32DFU_protocol.prototype.getChipInfo = function (_interface, callback) {
             // H750 SPRacing H7 EXST: "@External Flash /0x90000000/1001*128Kg,3*128Kg,20*128Ka" - Early BL firmware with incorrect string, treat as above.
 
             // H750 Partitions: Flash, Config, Firmware, 1x BB Management block + x BB Replacement blocks)
+            // AT32 F437 "@Internal Flash   /0x08000000/08*04Ka,1000*04Kg"
             if (str === "@External Flash /0x90000000/1001*128Kg,3*128Kg,20*128Ka") {
                 str = "@External Flash /0x90000000/998*128Kg,1*128Kg,4*128Kg,21*128Ka";
             }
-
+            //AT32F43xxM
+            if (str === "@Option byte   /0x1FFFC000/01*4096 g"){
+                str = "@Option bytes   /0x1FFFC000/01*4096 g";
+            }
+            //AT32F43xxG
+            if (str === "@Option byte   /0x1FFFC000/01*512 g"){
+                str = "@Option bytes   /0x1FFFC000/01*512 g";
+            }
             // split main into [location, start_addr, sectors]
 
             var tmp0 = str.replace(/[^\x20-\x7E]+/g, "");
diff --git a/src/js/serial.js b/src/js/serial.js
index 009ceb6d..4cd1f7fb 100644
--- a/src/js/serial.js
+++ b/src/js/serial.js
@@ -28,6 +28,7 @@ const serial = {
         {'vendorId': 4292, 'productId': 60000}, // CP210x
         {'vendorId': 4292, 'productId': 60001}, // CP210x
         {'vendorId': 4292, 'productId': 60002}, // CP210x
+        {'vendorId': 0x2e3c, 'productId': 0x5740}, // AT32 VCP
     ],
 
     connect: function (path, options, callback) {