(TUT) Unlocking the Ninebot F-series (F20, F25, F30, F40) to 30 km/h (18.6 mph)

Rodlcopter1337
Posts: 3
Joined: Sat Jun 04, 2022 3:15 pm

Re: (TUT) Unlocking the Ninebot F-series (F20, F25, F30, F40) to 30 km/h (18.6 mph)

Postby Rodlcopter1337 Thu Jun 16, 2022 12:09 pm



you will only be helped by the firmware using ST link
According to reddit, you can replace the motor controller. I think it will be difficult to find the JTAG pins as the the controller is covered in black resin.
JTAG pins is on easy point at the controller board. Problem for me is what i have to do without f-series full dump file?
Is it possible to dump the firmware from an existing controller?
Is the format of the firmware file different when flashing via JTAG than when flasing via Bluetooth? The apps are able to download firmwares from somewhere at least.
32aug
Posts: 6
Joined: Wed Dec 15, 2021 10:38 am

Re: (TUT) Unlocking the Ninebot F-series (F20, F25, F30, F40) to 30 km/h (18.6 mph)

Postby 32aug Thu Jun 16, 2022 6:11 pm

No. It is impossible for me :)
Rodlcopter1337
Posts: 3
Joined: Sat Jun 04, 2022 3:15 pm

Re: (TUT) Unlocking the Ninebot F-series (F20, F25, F30, F40) to 30 km/h (18.6 mph)

Postby Rodlcopter1337 Fri Jun 17, 2022 6:45 pm

It seems the older firmware files are available here. Or maybe these are not the full dumps?
Wir321
Posts: 1
Joined: Sun Jun 19, 2022 2:46 pm

Re: (TUT) Unlocking the Ninebot F-series (F20, F25, F30, F40) to 30 km/h (18.6 mph)

Postby Wir321 Sun Jun 19, 2022 2:51 pm

I tried to unlock the F30 to 30kmh by using the app, I realized well it wasnt that stable and decided i wanted to change it back, I input custom serial number to change it back to normal.

After this the speedometer has been showing the wrong numbers, Maxes out at around 21kmh even in downhills where i know im going about 30kmh and external speedometers have shown me about 30kmh. Is there anyway to fix this? Its pretty annoying seeing the wrong speeds

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