I used the Apple Watch series 3.
I installed a beta version of WatchOS 5.1 on that AppleWAtch.
Because I bought Series 4 newly, I would like to give Series 3 to my friend.
I want to change the 5.1 beta version installed on Series 3 to 5.01 which is the normal version, but I do not know how to do it.
Please let me know if anyone knows how to do it.
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