Reddit Comments Summary on "Fiido C21 Unlock"

[Fiido C21] Pros and Cons:

Pros:
- User was able to unlock their D3 Pro model and saw an increase in speed.
- The C21 model is described as good for the price.
- App allows for controlling speed limit.
- Rocket mode feature can be activated by holding the arrow down button in the app.
- The acceleration is praised as natural and quiet.
- The freedom from drivetrain maintenance is highlighted as a significant advantage.
- The bike is commended for its improvements, including a rear fender light that also acts as a brake light.
Cons:
- Language barrier can be an issue when trying to bypass the unlock code.
- Some users had trouble connecting their bikes to the app.
- Rocket mode may activate automatically even after putting speed limit back on.
- Some users faced issues with the built-in battery and charging in inconvenient situations.

[Fiido C21] Unlock Process:

Users discuss various methods to unlock features such as rocket mode by pressing buttons on the display for a few seconds or contacting Fiido support for assistance.
The app has options to control speed limits and activate features like rocket mode.

Comparisons and Recommendations:

Considerations are made between Fiido models like Fiido Air, Heybike EC 1, and Ltwoo Schaltung.
The Trek FX+ 2 and Diamant 365 are mentioned as alternatives with similar concepts and long-term support.
Recommendations are based on various factors like range, weight, charge capacity, and storage needs.

Other Comments:

Some users prefer Bio bikes over E-Bikes for city commuting.
A comparison is made between the Fiido C21 and other models like the Tenways for quality and longevity.
Users share experiences with different bikes in various cities and terrains.
Some express concerns about the built-in battery, particularly in regards to charging convenience and longevity.
The importance of drivetrain maintenance and the impact of weather conditions on the bike's performance are discussed.

This summary provides insights into users' experiences with unlocking features on the Fiido C21 electric bike, comparisons with other models, recommendations, and various considerations and challenges associated with E-Bikes in different city environments.