Warn on insecure nodes without pinned cert

V2rayNG/app/src/main/res/values/strings.xml

@@ -122,7 +122,7 @@
     <string name="server_lab_pinned_ca256">Certificate fingerprint (SHA-256)</string>
     <string name="server_lab_browser_dialer">Enable Browser Dialer</string>
     <string name="server_lab_browser_dialer_tip">Only supports xhttp (packet-up) and ws outbound; TLS-related settings may be ignored or conflict</string>
-    <string name="toast_allow_insecure_deprecated">WARNING: Skipping certificate verification "allowInsecure" will be disabled in August 2026. Please use certificate fingerprints as soon as possible. This feature will not be available after its expiration.</string>
+    <string name="toast_allow_insecure_deprecated">Current node uses an unencrypted connection. Your communication may be directly viewed by network intermediate facilities controlled by authoritarian governments.\nFor security reasons, such nodes cannot be connected via Xray core version 26.2.6+.\nIf it is a self-built node, please enable security encryption such as TLS, or pin the certificate pinnedCA256.\nIf it is a provider node, please contact the service provider to complete the technical upgrade. If the service provider refuses to cooperate, it is recommended to switch to a provider that pays more attention to user security.\nFor more information, please visit https://github.com/2dust/v2rayN/discussions/9460</string>
     <string name="pinned_ca256_action_fetch">Fetch and fill certificate fingerprint</string>
     <string name="toast_fetch_cert_sha256_success">Certificate fingerprint fetched successfully</string>
     <string name="toast_fetch_cert_sha256_failed">Failed to fetch certificate fingerprint</string>