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Old version firmware for KX-TGP500B02/KX-TGP550T02

Model No. Firmware Size(KB) Date Version Remarks
KX-TGP500B02
KX-TGP550T02
3,678 Sep 19,2013 22.85
3,667 Mar 28,2013 22.80
3,661 Dec 4,2012 22.73
3,660 Sep 27,2012 22.68
3,593 Jun 15, 2012 22.58
  •    TGP5xx-DECT-22.53_HW1.fw
3,571 Apr 25, 2012 22.53
2,888 Feb 2, 2012 22.38

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

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