TL;DR: My Mobvoi warranty experience was pleasant and speedier than I would have imagined!
In late June, I wore my 6-month-old Mobvoi TicWatch Pro 3 GPS into a shallow pool for 10-15 minutes. I was eager to compare with another swimmer with their Apple Watch
Later that evening, I got a notification with the expected vibration -- but the vibration never stopped. It just kept buzzing non-stop. It was getting warm, too. I finally managed to reboot it. I took it off and set it on an air conditioner vent to cool/dry and then later charged it. It was still acting laggy and constantly locking the screen, so I did a factory reset.
After the reset, it was laggy for half a day, but as things got