Razer Blackshark v2 + soundcard | Razer Insider
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Razer Blackshark v2 + soundcard

  • December 28, 2022
  • 1 reply
  • 12 views

Good day I am receiving an "item serial number is unknown" error. I have changed any 0's to O's and 1's to I's, but still receive the same error. Kindly help as I can not register my device. Thanks in advance

1 Reply

26.Private
  • Insider Mini
  • June 20, 2023

i cant tell what is an o or what is 0 on the s/n number pls help