Zephon Electric Scooter Speed Unlock Flash Module, Full Speed Unlock Kit for Ninebot Segway ZT3 Pro ZT3 ProE ZT3 ProD, Supports 45km/h Practical Speed & 55km/h No-Load Top Speed

- Basic Hands-On Skills Required:Professional installation involves removing and installing the controller as well as data backup; basic hands-on ability is required for operation.
- Millisecond-Level Automatic Backup:It automatically reads and backs up your original firmware and unique serial number instantly once connected.
- Auto Flash Unrestricted Firmware:Automatically flash the factory unrestricted firmware after backup. Unlock speed limit, enhance phase current, activate turn signals and daytime running lights, remove dashboard overspeed alarm, and support over 45km/h speed with passenger riding.
- 5-Second One-Click Restore:Long press for 5 seconds to revert easily when you need official warranty, OTA upgrade or original factory riding feel.
- Perfect Factory Restoration:Accurately restore the original backed-up data to the controller with no modification traces left. Fully match official after-sales policy without affecting warranty.