Do not buy the new X! They didn't finish delivering pre-ordered bikes, and is cutting off communication by not letting people post in their Facebook group.
The Fiido X may be one of the most successful e-bikes that started out on a crowd-funding website. Nevertheless, the OEM has announced that it will be releasing a new version for 2022. It is rated to offer a new zero-power mode, as well as improved security features, a new handlebar with a new screen and other new, possibly quality-enhancing, tweaks.