WiFi "MAC Filtering" Blocking New Device
4.5
You have the correct password, but the device says "Access Denied" or "Failed to Connect".
Symptoms
- Access denied
- Correct password fails
- Connection refused
Possible Causes
- MAC Filtering enabled on router
- Private MAC address on phone
Step-by-Step Fix
1
Disable "Private WiFi Address"
On iPhone/Android, turn off "Private MAC" for this specific network.
2
Add Device to Allowlist
Find the device's MAC address in settings and add it to the router's filter list.
3
Disable MAC Filtering
It provides very little security and causes many connection issues.
When to See a Technician
Modern phones change their "ID" (MAC address) for privacy, which breaks old-school MAC filtering.
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