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Full Version: Can't upgrade handset firmwares
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Hi ,

When I go on the yealink W52P web interface, under PHONE / UPGRADE , I can see:

Firmware Version
Hardware Version

I downloaded ( Handset Firmware ) from / support / download , and tried to upload it in Handset Firmware (in W52P web interface), but without success.

Any trick for this to work ?

Thank you.
Hi simon templar,

OTA upgrade capability is restricted to specific firmware versions and handset
 Handset with firmware or later
 Base station with firmware or later
 Handset with hardware or later
OTA is only available when meeting the above three conditions simultaneously.
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