50s stuck at v1.51

David Ritter

30 aprile 2026 02:38 Modificato

Sena device manager 4.4.18 see my 50s a ver 1.50  and updated it to 1.51!  how do I get it to 2.72 like the rest of my 50s's?

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  Support Agent LK

  30 aprile 2026 15:53

  Hi David,

  There are two versions of the 50S.  The original, and a revised model that was put into production later.  You have the original version, with a different firmware then the newer one.  Your device will always have firmware that begins with 1, and will continue to get updates.  The revised model has firmware that begins with 2.

  Hope that clears things up!

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  Vincent RENAUDEAU

  16 maggio 2026 17:47

  Hello,
  How can we recognize the original and the new version?
  My 50S is SP75. From wich SP number begin the new version please?

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  Sena Marketing

  19 maggio 2026 18:57

  Vincent RENAUDEAU The SP number for the original version is 75. The SP number for the new version is 113.

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