Dec 26, 2020
Dec 4, 2016
Pretty sure the 0 is a number. I think they avoid using the letter to prevent confusion.
You will probably find there are 3 serial numbers (at least I found that on by in-ear buds). There will be one on the case which is for the case and then if you use the app, you may see the numbers for the left/right buds.
Apr 2, 2021
I’m having the exact same issue. Just received them for Christmas 2020. I go to register them to my account and it keeps telling me that my SN is incorrect. Super super super annoying.
@TurtleLover25, I am sorry to hear this. If you reach out to us, we can help you to register your product. The best option here would be to reach out to your local customer support center. You can do this by clicking this link here, selecting your region, scrolling to the bottom of the page, and selecting contact us. If you are in the US or UK you can also reach out via Facebook or Twitter and one of our team can help you there.
Aug 26, 2018