refactor: Improve modem reachability check by adjusting timeout and API endpoint, and update README download link text.

Author: alrescha79-cmd

README.md

@@ -40,7 +40,7 @@
 > [!TIP]
 > ![Latest Version](https://img.shields.io/github/v/release/alrescha79-cmd/huawei-manager-mobile?label=Latest%20Version&color=brightgreen) ![Downloads](https://img.shields.io/github/downloads/alrescha79-cmd/huawei-manager-mobile/latest/total?style=flat&logo=android&label=Download@Latest&color=)
 > 
-> **📥 Download di [Github Releases](https://github.com/alrescha79-cmd/huawei-manager-mobile/releases/latest)** Tersedia 3 versi untuk Android
+> **📥 Lihat Changelog dan Download di [Github Releases](https://github.com/alrescha79-cmd/huawei-manager-mobile/releases/latest)** Tersedia 3 versi untuk Android
 
 > **![Downloads arm64-v8a](https://img.shields.io/github/downloads/alrescha79-cmd/huawei-manager-mobile/latest/huawei-manager-arm64-v8a.apk?style=flat&logo=android&label=Downloads&color=)** Untuk Android 64-bit (Rekomendasi) → [Link Download](https://github.com/alrescha79-cmd/huawei-manager-mobile/releases/latest/download/huawei-manager-arm64-v8a.apk)
 > 

src/services/network.service.ts

@@ -70,20 +70,25 @@ export class NetworkService {
   /**
    * Check if modem is reachable at given IP with timeout
    */
-  async isModemReachable(modemIp: string, timeoutMs: number = 3000): Promise<boolean> {
+  async isModemReachable(modemIp: string, timeoutMs: number = 10000): Promise<boolean> {
     try {
       const controller = new AbortController();
       const timeoutId = setTimeout(() => controller.abort(), timeoutMs);
 
-      const response = await fetch(`http://${modemIp}/html/home.html`, {
-        method: 'HEAD',
+      const response = await fetch(`http://${modemIp}/api/webserver/SesTokInfo`, {
+        method: 'GET',
         signal: controller.signal,
       });
 
       clearTimeout(timeoutId);
-      return response.ok || response.status === 401 || response.status === 403;
-    } catch (error) {
-      console.log('[Network] Modem not reachable:', modemIp);
+      console.log('[Network] Modem reachable, status:', response.status);
+      return true;
+    } catch (error: any) {
+      if (error.name === 'AbortError') {
+        console.log('[Network] Modem check timeout:', modemIp);
+      } else {
+        console.log('[Network] Modem not reachable:', modemIp, error.message);
+      }
       return false;
     }
   }