5.2.1 (Global)
1. Fixed a few bugs and improved user experience.

5.2.0 (Global)
1. Added categories in Moments to personalize user experience.
2. Supports Ninebot Engine Speaker functions and firmware update.
3. Improve Ninebot KickScooter AirLock experience (for HUAWEI mobiles only).
4. Bugs fixed.

5.1.8 (Global)
1. Optimized user experience in Community FAQ.
2. Supports new Ninebot KickScooter models.
3. G30D and G30LD: cancelled vehicle lock/unlock via the app.
4. Air T15D: cancelled atmosphere light settings.
5. Fixed several bugs.

5.1.7 (Global)
1. Improve Email login user experience.
2. Improve user experience of some features.
3. Fixed a few bugs.

5.1.6 (Global)
1. Optimize online customer service for the Asia-Pacific Region and make sure all messages from customer representatives are sent successfully. Solve video streaming problems.
2. When the verification code cannot be received successfully, the user can use the reverse verification function.
3. Add an issue feedback system when the Bluetooth connection fails and optimize user experience.
4. Support new KickScooter Max models.

5.1.5 (Global)
1. Optimized vehicle activation process.
2. Improved Bluetooth connection stability.
3. Fixed a few bugs.

5.1.4 (Global)
1. Support new Ninebot KickScooter products.
2. Ranking optimization.
3. New features in the privacy settings.
4. New feature in the push settings.
5. iOS14 version supported.
6. Fixed a few bugs and improved user experience.

5.1.3 (Global)
1. Moments function optimization.
2. Optimization of vehicle functions.
3. Fixed some bugs.

5.1.2 (Global)
1. Circle function optimization.
2. Optimization of vehicle functions.
3. Fixed some bugs.

5.0.9 (Global)
1. Optimized Gokart function.
2. New filters in the what's new section.
3. Fixed some bugs.

5.0.8 (Global)
1. To provide you with a better experience, we have brought you a brand new V5 version of the App. The V4 version will be stopped for maintenance within a few months; please download the new version and uninstall the V4 version of the App.
2. Vehicle services:
-Vehicle activation: One-click activation for novice instruction
-Vehicle connection: check vehicle status, upgrade firmware
-Vehicle settings: light effects, speed mode, Bluetooth remote control
-Riding trajectory: help you record travel routes
3. Circle interaction:
-Dynamic sharing: Share your cycling life with riders around the world and find your friends with the same interests in the circle
-Leaderboard: PK with riders all over the world and see who is NO.1
4. Community Q & A:
-Global riders help you solve problems and make your riding process smoother
5. Support new vehicles.
6. Optimize performance.
7. Fixed some bugs.

5.0.7 (Global)
1. Improved user experience.
2. Fixed some issues.

4.6.2 (Global)
1. Adapt to the new product G30D.
2. Optimize performance.

4.6.1 (Global)
1. Optimized encrypted Bluetooth protocol.
2. Several bugs fixed.

4.5.9 (Global)
1. Several bugs fixed.

4.5.8 (Global)
1. Compatible with new encrypted Bluetooth protocol.
2. Several bugs fixed.