SIP Phone

Download (USA)

If you need the old version firmware listed in this page,
please contact to Sales Company of your region.

Model No.	Firmware	Size(KB)	Date	Version	Remarks
KX-TGP500B04 KX-TGP550T04	TGP5xx-USA-12.90_HW1.fw	3,635	Apr 14,2015	12.90	Release Note
	TGP5xx-USA-12.84_HW1.fw	3,637	Sep 30, 2013	12.84
	TGP5xx-USA-12.81_HW1.fw	3,632	July 29, 2013	12.81
	TGP5xx-USA-12.73_HW1.fw	3,617	Dec 28, 2012	12.73
	TGP5xx-USA-12.58_HW1.fw	3,554	Jun 15, 2012	12.58
	TGP5xx-USA-12.53_HW1.fw	3,537	Apr 25, 2012	12.53
	TGP5xx-USA-12.35_HW1.fw	2,915	Jan 10, 2012	12.35
	TGP5xx-USA-12.17_HW1.fw	2,758	Jul 29, 2011	12.17
	TGP5xx-USA-12.12_HW1.fw	2,739	Apr 12, 2011	12.12

Note : Do not perform a firmware downgrade. If TGP500/550 will be downgraded ,it will not work.

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