diff --git a/TECHSTACK.md b/TECHSTACK.md
index 88c6087..354c210 100644
--- a/TECHSTACK.md
+++ b/TECHSTACK.md
@@ -115,8 +115,9 @@ hash, per-user salt, timing-safe compare), opaque random session tokens, SHA-256
 - **iOS build:** Capacitor 8 + **SPM** (CocoaPods retired); Xcode 26; a share extension + a broadcast extension.
 - **Android build:** JDK **21**, AGP 8.7 / Gradle 8.11, **minSdk 24** (raised for LiveKit), target SDK 36,
   edge-to-edge; the native-call plugin module also applies **kotlin-android** for the LiveKit media layer.
-  `mobile/android/` is generated fresh per build, so permissions **and the minSdk bump** are applied in CI by
-  `mobile/scripts/android-patch.js`.
+  `mobile/android/` is generated fresh per build, so permissions, the **minSdk bump**, and the **JitPack
+  repository** (`allprojects`/`dependencyResolutionManagement`) that LiveKit Android's transitive
+  `com.github.davidliu:audioswitch` fork needs are all applied in CI by `mobile/scripts/android-patch.js`.
 
 ## Desktop app (`desktop/`) — Electron
 
@@ -202,7 +203,8 @@ Bump the **Last updated** date at the top and add a line to the Changelog below.
 
 - **2026-10-30 (rev 3)** — Android native call media (Increment 2a): added `io.livekit:livekit-android` 2.29.2 +
   `com.twilio:audioswitch` + Kotlin to the native-call plugin, a `microphone` foreground service, the
-  `ANDROID_NATIVE_MEDIA` server flag, and raised the Android app to minSdk 24.
+  `ANDROID_NATIVE_MEDIA` server flag, and raised the Android app to minSdk 24. Build fix: `android-patch.js`
+  now injects the **JitPack** repo (LiveKit's `com.github.davidliu:audioswitch` fork resolves nowhere else).
 - **2026-10-27 (rev 2)** — Added the **Identity & auth** section (sessions/cookies + bearer, refresh tokens,
   TOTP MFA, BizGaze IdP/SSO, roles & tenancy, API keys, directory, audit).
 - **2026-10-27** — Initial tech-stack document created.
diff --git a/mobile/scripts/android-patch.js b/mobile/scripts/android-patch.js
index c216fbf..260328d 100644
--- a/mobile/scripts/android-patch.js
+++ b/mobile/scripts/android-patch.js
@@ -37,6 +37,58 @@ try {
     }
   } catch (e) { console.log('  minSdk bump skipped:', e.message); }
 
+  // (0b) JitPack repository for LiveKit Android's transitive deps (Increment 2). LiveKit 2.29.2 pulls in
+  // com.github.davidliu:audioswitch — a JitPack-only fork pinned to a commit-hash version. Gradle resolves
+  // the FULL transitive graph of :app:debugRuntimeClasspath against the APP module's (+ allprojects)
+  // repositories, NOT the native-call plugin's, so a jitpack repo declared only in the plugin is ignored and
+  // the build dies with "Could not find com.github.davidliu:audioswitch". Inject jitpack where :app sees it:
+  // the generated root build.gradle's allprojects{} block (Capacitor's template) and, if a newer template
+  // uses it instead, settings.gradle's dependencyResolutionManagement{}. Idempotent (keyed on jitpack.io),
+  // tolerant (any miss just logs + continues — never fails the build).
+  try {
+    const path = require('path');
+    const base = path.resolve(path.dirname(p), '..', '..', '..'); // android/
+    const jitLine = "        maven { url 'https://jitpack.io' } // bzcJitpack: LiveKit Android transitive deps";
+
+    // root build.gradle → allprojects { repositories { ... } }  (classic Capacitor template)
+    const rootGradle = path.join(base, 'build.gradle');
+    if (fs.existsSync(rootGradle)) {
+      let g = fs.readFileSync(rootGradle, 'utf8');
+      if (g.includes('jitpack.io')) {
+        console.log('  jitpack already present in build.gradle');
+      } else {
+        const re = /(allprojects\s*\{\s*repositories\s*\{)/;
+        if (re.test(g)) {
+          g = g.replace(re, '$1\n' + jitLine);
+          fs.writeFileSync(rootGradle, g);
+          console.log('  jitpack repo injected into allprojects (root build.gradle)');
+        } else {
+          console.log('  allprojects{repositories{}} not found in build.gradle — jitpack root inject skipped');
+        }
+      }
+    } else {
+      console.log('  root build.gradle not found — jitpack root inject skipped');
+    }
+
+    // settings.gradle → dependencyResolutionManagement { repositories { ... } }  (newer templates, if any)
+    const settingsGradle = path.join(base, 'settings.gradle');
+    if (fs.existsSync(settingsGradle)) {
+      let s2 = fs.readFileSync(settingsGradle, 'utf8');
+      if (s2.includes('jitpack.io')) {
+        console.log('  jitpack already present in settings.gradle');
+      } else {
+        const re2 = /(dependencyResolutionManagement\s*\{[\s\S]*?repositories\s*\{)/;
+        if (re2.test(s2)) {
+          s2 = s2.replace(re2, '$1\n' + jitLine);
+          fs.writeFileSync(settingsGradle, s2);
+          console.log('  jitpack repo injected into dependencyResolutionManagement (settings.gradle)');
+        } else {
+          console.log('  no dependencyResolutionManagement in settings.gradle — nothing to patch there');
+        }
+      }
+    }
+  } catch (e) { console.log('  jitpack inject skipped:', e.message); }
+
   // (1) Native-call FirebaseMessagingService swap. The native-call plugin declares its own MESSAGING_EVENT
   // service (BzCallMessagingService) that handles call-wake data messages AND forwards regular push to Capacitor
   // via super. Remove @capacitor/push-notifications' own MessagingService here — the APP manifest is the highest