There is no firmware information available for the Yoyo (M) as these cannot be updated April 11, 2024 09:39 If you have any questions or queries regarding this, please contact our Support team who will be more than happy to help. Related articles Why is there an orange light on my Yoyo (M)? What is the size of the screw thread on the Yoyo (M)'s? How do I perform a factory reset on my Yoyo (M) speakers? Yoyo (L) - Quick Start Guide There is no firmware information available for the Yoyo (S) as these cannot be updated.