sync_simple.php<h2>🔄 Simple Device Sync</h2><pre>❌ Cannot connect: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond (10060)

Troubleshooting:
1. Check if device is powered on
2. Check network cable connection
3. Verify IP address is correct
4. Check firewall is not blocking port 4370
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