What can I do if a Yealink phone arrives without a power cord?
Answer
Many Yealink phones can run on Power over Ethernet from a PoE switch or injector; otherwise request the correct replacement power adapter from the seller or Yealink support.
Before you start: stop right away if…
- Using an incorrect voltage adapter can damage the phone.
Follow these steps
Identify the exact Yealink model
Check the underside label and the packing list for the model number so you request the correct power adapter region and wattage.
You should see: The exact model and required PSU type are known.
Try Power over Ethernet if available
Connect the phone’s internet port to a PoE switch or a known-good PoE injector using an Ethernet cable and wait for boot lights.
You should see: The phone powers on over PoE, or it stays dark because PoE is not available.
Request the missing adapter from the seller
Contact the seller with photos of the open box and model label and ask them to ship the correct Yealink power supply.
You should see: A replacement adapter is authorized or a refund/replacement is offered.
Order an official spare only with matching specs
If you must buy separately, purchase an official or vendor-approved adapter that matches Yealink’s voltage and connector for that model.
You should see: A compatible power supply arrives and the phone boots.
Confirm boot and network registration
After power is restored, confirm the display lights and that the phone can reach the network or VoIP service.
You should see: The Yealink phone is usable for calls.
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Extra tips
What to look for: A Yealink desk phone with no PSU in the box, an Ethernet port that may support PoE, and the exact model on the bottom label.
Before you change anything: Read the model label on the phone. Check whether your office switch provides PoE. Do not use a random adapter with the wrong voltage. Contact the seller before buying third-party parts if the shipment was incomplete.