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Full Version: TP-28 Firmware Upgrade
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I've currently got a fleet of TP-28 Yealink phones but are stuck on firmware which i believe is very old.

As I've been reading through the forums, i believe you need to update these phones each release at a time and you have deleted the old upgrades which is fair enough.

Would you be able to share the respective files needed so that i can update these phones to the latest firmware?


Hi Tim,

Can you let me know the hardware and SN of this phone?

Hardware is

SN: T28P016Y0903000365
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