Review of FIIDO D4s: the new best e-bike for commuting?

FIIDO created something astonishing for a fair price. FIIDO D4s has all the features which are required from e-bike for commuting. Moreover, it has larger wheels and a great design.
It competes with more expensive e-bikes like Xiaomi Himo C20, Z20, and other similar e-bikes. And in some areas are even better than these e-bikes. For example, you can unlock FIIDO D4s to get the top speed of 33-34 km/h.

Best electric bikes up to €700 (updated 25.04.2021)

Top 7 budget-friendly e-bikes: Samebike LO26, FIIDO D4s, Xiaomi Himo Z20. Xiaomi Himo C20, FIIDO M1, FIIDO D2/D2S, and FIIDO D1 10.Ah. How are they different? Which one is the best?