| Issue | Solution | |-------|----------| | “Failed to start” | Check if another VPN is active (e.g., AdGuard). | | Connection drops | Increase timeout to 60s in preferences. | | “Core not found” | Reinstall V2RayNG – ensure the APK includes built-in core. | | DNS leak | Set custom DNS (1.1.1.1) in routing settings. | | Slow speed on Android 5 | Switch to Shadowsocks AEAD – lighter on CPU. |
If you meant: