diff --git a/src/js/tabs/firmware_flasher.js b/src/js/tabs/firmware_flasher.js
index 01f7a50b89..143cb04e31 100644
--- a/src/js/tabs/firmware_flasher.js
+++ b/src/js/tabs/firmware_flasher.js
@@ -9,7 +9,6 @@ import { tracking } from "../Analytics";
 import PortHandler from "../port_handler";
 import { gui_log } from "../gui_log";
 import semver from "semver";
-import { urlExists } from "../utils/common";
 import read_hex_file from "../workers/hex_parser.js";
 import Sponsor from "../Sponsor";
 import FileSystem from "../FileSystem";
@@ -1283,11 +1282,13 @@ firmware_flasher.initialize = async function (callback) {
         const targetSupportInfo = $("#targetSupportInfoUrl");
 
         targetSupportInfo.on("click", function () {
-            let urlSupport = "https://betaflight.com/docs/wiki/boards/archive/Missing"; // general board missing
-            const urlBoard = `https://betaflight.com/docs/wiki/boards/current/${self.selectedBoard}`; // board description
-            if (urlExists(urlBoard)) {
-                urlSupport = urlBoard;
-            }
+            const baseBoardUrl = "https://betaflight.com/docs/wiki/boards/current";
+            const hasBoardSelection = self.selectedBoard && self.selectedBoard !== "0";
+
+            const urlSupport = hasBoardSelection
+                ? `${baseBoardUrl}/${encodeURIComponent(self.selectedBoard)}` // selected board description
+                : "https://betaflight.com/docs/wiki/boards/archive/Missing"; // general board missing
+
             targetSupportInfo.attr("href", urlSupport);
         });
 
diff --git a/src/js/utils/common.js b/src/js/utils/common.js
index 51798f9ca7..c967605ee9 100644
--- a/src/js/utils/common.js
+++ b/src/js/utils/common.js
@@ -46,14 +46,6 @@ export function getTextWidth(text) {
     return Math.ceil(context.measureText(text).width);
 }
 
-export function urlExists(url) {
-    let http = new XMLHttpRequest();
-
-    http.open("HEAD", url, false);
-    http.send();
-    return http.status !== 404;
-}
-
 /**
  * Returns jquery sorted option list with optional value staying on top of the list.
  *