diff --git a/Resources/Info.plist b/Resources/Info.plist
index 9c4a6de..93b0c77 100644
--- a/Resources/Info.plist
+++ b/Resources/Info.plist
@@ -24,21 +24,6 @@
 	<dict>
 		<key>NSAllowsLocalNetworking</key>
 		<true/>
-		<key>NSPinnedDomains</key>
-		<dict>
-			<key>192.168.86.2</key>
-			<dict>
-				<key>NSIncludesSubdomains</key>
-				<true/>
-				<key>NSPinnedCAIdentities</key>
-				<array>
-					<dict>
-						<key>SPKI-SHA256-BASE64</key>
-						<string>vmrfRuHv1oHBBiEmJP4WX3C7mtVy3C4+UJ1Yk/Q5hMU=</string>
-					</dict>
-				</array>
-			</dict>
-		</dict>
 	</dict>
 	<key>NSMicrophoneUsageDescription</key>
 	<string>Hope Voice uses the microphone for live voice conversation.</string>
diff --git a/Tests/TLSLiveTests.swift b/Tests/TLSLiveTests.swift
index d74b734..4891b45 100644
--- a/Tests/TLSLiveTests.swift
+++ b/Tests/TLSLiveTests.swift
@@ -1,4 +1,5 @@
 import Foundation
+import LiveKit
 import Testing
 @testable import Voice
 
@@ -15,6 +16,14 @@ struct TLSLiveTests {
         #expect(!data.isEmpty)
     }
 
+    @Test func systemTrustedLANHTTPS() async throws {
+        guard ProcessInfo.processInfo.environment["HOPE_TLS_LIVE"] == "1" else { return }
+        print("HOPE_TLS_PROBE system trust validation started")
+        let (_, response) = try await URLSession.shared.data(from: URL(string: "https://192.168.86.2:9178/api/auth/me")!)
+        #expect((response as? HTTPURLResponse)?.statusCode == 401)
+        print("HOPE_TLS_PROBE system trust validation completed")
+    }
+
     @Test func nativeAccountLogin() async throws {
         let env = ProcessInfo.processInfo.environment
         guard env["HOPE_TLS_LIVE"] == "1", let username = env["HOPE_TEST_USERNAME"],
@@ -25,6 +34,12 @@ struct TLSLiveTests {
         let login = try await client.login(username: username, password: password)
         #expect(login.user.username == username)
         #expect(try await client.me(token: login.token).id == login.user.id)
+        let bootstrap = try await TokenClient(config: config, bearerToken: login.token).fetchToken()
+        let room = Room()
+        try await room.connect(url: config.livekitURL.absoluteString, token: bootstrap.token)
+        #expect(room.connectionState == .connected)
+        await room.disconnect()
+        print("HOPE_TLS_PROBE authenticated LiveKit WSS connected and disconnected; microphone not enabled")
         try await client.logout(token: login.token)
         print("HOPE_TLS_PROBE native login/me/logout completed")
     }
diff --git a/docs/ENGINEERING_LEARNINGS.md b/docs/ENGINEERING_LEARNINGS.md
index 7e771f8..4b41dd9 100644
--- a/docs/ENGINEERING_LEARNINGS.md
+++ b/docs/ENGINEERING_LEARNINGS.md
@@ -38,6 +38,10 @@ Read [PROJECT_STATUS.md](PROJECT_STATUS.md) for the current product scope.
 - Gate live TLS tests with explicit opt-in and print started/skipped scope; a test
   returning early is not runtime proof. Regenerate XcodeGen for added test membership.
   Physical test bundles require a development team override, not just app signing.
+- Proven device ATS trap: `NSPinnedCAIdentities` can still reject a manually
+  full-trusted self-signed server with -1202/-9807. Same-phone A/B removal of this
+  redundant rule made system HTTPS and actual LiveKit WSS pass. Retain exact app
+  HTTP pin + normal SDK system trust; do not infer validity-length cause from dates.
 - Certificate profiles require public-only verified data, user installation/full
   trust, and persistent hosting. Copying a file into an active container is erased
   at redeploy. Exact nginx alias may expose a public profile from cert mount; never
diff --git a/docs/PROJECT_STATUS.md b/docs/PROJECT_STATUS.md
index 0fed076..60423f1 100644
--- a/docs/PROJECT_STATUS.md
+++ b/docs/PROJECT_STATUS.md
@@ -104,8 +104,19 @@ unit suite:58 passed, including two explicit-opt-in live TLS cases skipped in of
 run. Actual opted-in physical HTTPS test passed separately. New live tests use
 environment-only credentials, never fixtures/source/argv. Updated signed phone
 build passed (`/tmp/hope-square-phone-build.log`) and app installed/launch succeeded
-on the iPhone14ProMax (`dev.shane.voice`, 18:00 local). Real WSS/login after profile trust and
-physical speech remain user qualification.
+on the iPhone14ProMax (`dev.shane.voice`, 18:00 local). Physical speech remains user qualification.
+
+Follow-up: user installed profile/full trust but SDK still reported validation cert
+invalid. Reproduced physically: exact pinned HTTPS passed; system URLSession HTTPS
+failed -1202/-9807. Controlled A/B removed redundant `NSPinnedCAIdentities` in
+XcodeGen (normal iOS trust, HTTPS/WSS and exact HTTP leaf pin remain unchanged).
+System trust then passed on same phone, establishing ATS CA-only rule conflict,
+not proven certificate validity-length rejection. Final physical native live test
+**3 passed**: pinned HTTPS, system-trusted HTTPS, and admin login/me/bootstrap →
+actual LiveKit SDK authenticated WSS connect/disconnect → logout; no microphone
+enabled. Evidence `/tmp/hope-phone-wss-qualified.log`. John Doe remains deleted.
+Signed corrected build passed `/tmp/hope-square-tls-fixed-build.log`.
+
 
 ## Current direction
 
diff --git a/project.yml b/project.yml
index e805d01..ba411d7 100644
--- a/project.yml
+++ b/project.yml
@@ -38,11 +38,6 @@ targets:
         NSMicrophoneUsageDescription: "Hope Voice uses the microphone for live voice conversation."
         NSAppTransportSecurity:
           NSAllowsLocalNetworking: true
-          NSPinnedDomains:
-            192.168.86.2:
-              NSIncludesSubdomains: true
-              NSPinnedCAIdentities:
-                - SPKI-SHA256-BASE64: vmrfRuHv1oHBBiEmJP4WX3C7mtVy3C4+UJ1Yk/Q5hMU=
     settings:
       base:
         PRODUCT_BUNDLE_IDENTIFIER: dev.shane.voice