Warning: Tuned e-bikes & e-scooters are not permitted within the road traffic regulations!

Update: Unexpected Beeping on Ninebot ZT3 Pro D – Issue Resolved

Good news for all Ninebot ZT3 Pro D users: The issue of continuous beeping after unlocking with the NBT Unlock Key has now been resolved!

If you are still experiencing this beeping, there is a simple fix: Please use your smartphone browser to undo the unlocking once, and then reinstall the tuning again using the smartphone browser and your license key.

Our development team has worked quickly and efficiently to address this feedback from the community and deliver a practical solution. You can now enjoy your Ninebot ZT3 Pro D as usual, without any annoying sounds.

Thank you to everyone for your patience and support!
– Your MountainTuning Team