SENA RELEASES FIRMWARE UPDATES FOR THE SPIDER RT1 & SPIDER ST1 v2.5.3

May 21, 2026

SPIDER RT1 v2.5.3 (P/N : SPIDER-RT1-01, SPIDER-RT1-01D | Model : SP130)

•  Minor bug fix with hearing music can be heard at the minimum volume level on iPhones

SPIDER ST1 v2.5.3 (P/N : SPIDER-ST1-10, SPIDER-ST1-10D | Model : SP105)

•  Minor bug fix with hearing music can be heard at the minimum volume level on iPhones

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