Yealink SIP-T4x / T5x Series Business IP Phone — Default Password
Default username and password for the Yealink SIP-T4x / T5x Series Business IP Phone: admin / admin. Learn how to log in and how to change the default credentials.
Covers SIP-T41S, T42G, T42U, T46U, T48U, T53, T54W, T57W and similar models. Find device IP via Menu > Status on the phone screen.
| Username | Password | Access | Notes |
|---|---|---|---|
admin | admin | Web UI | Administrator-level account. Case-sensitive. |
Responsible use
This database lists publicly documented default credentials so administrators can find and change them. Only use these on systems you own or are authorized to test.
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